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AmazonLeetCode Questions

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2045 questions·547 Easy·1105 Medium·393 Hard

Company-wise coding interview questions asked by Amazon, ranked by real frequency across 30-day, 3-month, and 6-month recency windows.

SQL (105)
#1Two Sum
Easy·Freq 100%·Acc 57.8%
#146LRU Cache
Medium·Freq 89%·Acc 47.6%
+1
#42Trapping Rain Water
Hard·Freq 88%·Acc 67.7%
+2
#200Number of Islands
Medium·Freq 88%·Acc 64.7%
+2
#3Longest Substring Without Repeating Characters
Medium·Freq 88%·Acc 39.4%
#121Best Time to Buy and Sell Stock
Easy·Freq 88%·Acc 57.0%
#49Group Anagrams
Medium·Freq 81%·Acc 72.9%
+1
#2Add Two Numbers
Medium·Freq 80%·Acc 48.8%
#5Longest Palindromic Substring
Medium·Freq 79%·Acc 38.2%
+1
#153Sum
Medium·Freq 78%·Acc 39.4%
#767Reorganize String
Medium·Freq 78%·Acc 57.3%
+3
#4Median of Two Sorted Arrays
Hard·Freq 77%·Acc 47.0%
#11Container With Most Water
Medium·Freq 77%·Acc 60.4%
#56Merge Intervals
Medium·Freq 77%·Acc 52.3%
#207Course Schedule
Medium·Freq 75%·Acc 51.8%
+2
#875Koko Eating Bananas
Medium·Freq 75%·Acc 50.2%
#20Valid Parentheses
Easy·Freq 75%·Acc 44.5%
#23Merge k Sorted Lists
Hard·Freq 75%·Acc 60.0%
+2
#994Rotting Oranges
Medium·Freq 75%·Acc 59.0%
#14Longest Common Prefix
Easy·Freq 75%·Acc 47.9%
#560Subarray Sum Equals K
Medium·Freq 75%·Acc 47.7%
#53Maximum Subarray
Medium·Freq 75%·Acc 53.5%
#347Top K Frequent Elements
Medium·Freq 75%·Acc 66.8%
+5
#33Search in Rotated Sorted Array
Medium·Freq 75%·Acc 45.2%
#88Merge Sorted Array
Easy·Freq 75%·Acc 55.2%
#9Palindrome Number
Easy·Freq 75%·Acc 60.7%
#128Longest Consecutive Sequence
Medium·Freq 75%·Acc 47.2%
#236Lowest Common Ancestor of a Binary Tree
Medium·Freq 75%·Acc 69.7%
+2
#138Copy List with Random Pointer
Medium·Freq 75%·Acc 63.3%
#22Generate Parentheses
Medium·Freq 75%·Acc 78.9%
+1
#127Word Ladder
Hard·Freq 75%·Acc 46.0%
+1
#169Majority Element
Easy·Freq 70%·Acc 66.4%
+3
#55Jump Game
Medium·Freq 68%·Acc 41.2%
#238Product of Array Except Self
Medium·Freq 68%·Acc 69.1%
#198House Robber
Medium·Freq 67%·Acc 53.4%
#70Climbing Stairs
Easy·Freq 67%·Acc 54.2%
#17Letter Combinations of a Phone Number
Medium·Freq 67%·Acc 66.4%
#21Merge Two Sorted Lists
Easy·Freq 67%·Acc 68.5%
#210Course Schedule II
Medium·Freq 66%·Acc 55.9%
+1
#239Sliding Window Maximum
Hard·Freq 66%·Acc 49.0%
+3
#54Spiral Matrix
Medium·Freq 65%·Acc 57.2%
#79Word Search
Medium·Freq 65%·Acc 47.7%
+2
#242Valid Anagram
Easy·Freq 64%·Acc 68.3%
#78Subsets
Medium·Freq 64%·Acc 82.5%
#26Remove Duplicates from Sorted Array
Easy·Freq 64%·Acc 63.2%
#904Fruit Into Baskets
Medium·Freq 64%·Acc 51.7%
#48Rotate Image
Medium·Freq 64%·Acc 80.4%
#31Next Permutation
Medium·Freq 63%·Acc 45.6%
#295Find Median from Data Stream
Hard·Freq 63%·Acc 54.7%
+2
#322Coin Change
Medium·Freq 63%·Acc 48.7%
+2
#621Task Scheduler
Medium·Freq 63%·Acc 63.4%
+3
#1152Analyze User Website Visit Pattern
Medium·Freq 63%·Acc 44.3%
+1
#7Reverse Integer
Medium·Freq 63%·Acc 32.1%
#215Kth Largest Element in an Array
Medium·Freq 63%·Acc 69.1%
+2
#76Minimum Window Substring
Hard·Freq 63%·Acc 47.9%
#253Meeting Rooms II
Medium·Freq 63%·Acc 52.7%
+3
#41First Missing Positive
Hard·Freq 63%·Acc 43.2%
#62Unique Paths
Medium·Freq 63%·Acc 67.0%
#75Sort Colors
Medium·Freq 63%·Acc 70.0%
+2
#13Roman to Integer
Easy·Freq 63%·Acc 66.8%
#34Find First and Last Position of Element in Sorted Array
Medium·Freq 63%·Acc 49.3%
#118Pascal's Triangle
Easy·Freq 63%·Acc 79.1%
#380Insert Delete GetRandom O(1)
Medium·Freq 63%·Acc 55.4%
+2
#84Largest Rectangle in Histogram
Hard·Freq 63%·Acc 50.3%
+1
#162Find Peak Element
Medium·Freq 63%·Acc 47.1%
#735Asteroid Collision
Medium·Freq 63%·Acc 48.4%
#51N-Queens
Hard·Freq 63%·Acc 76.0%
#139Word Break
Medium·Freq 63%·Acc 49.6%
+4
#283Move Zeroes
Easy·Freq 63%·Acc 64.1%
#124Binary Tree Maximum Path Sum
Hard·Freq 63%·Acc 42.5%
+2
#424Longest Repeating Character Replacement
Medium·Freq 63%·Acc 60.1%
#1768Merge Strings Alternately
Easy·Freq 63%·Acc 82.1%
#184Sum
Medium·Freq 63%·Acc 41.1%
#45Jump Game II
Medium·Freq 63%·Acc 43.1%
#1011Capacity To Ship Packages Within D Days
Medium·Freq 63%·Acc 74.3%
#189Rotate Array
Medium·Freq 63%·Acc 45.2%
#122Best Time to Buy and Sell Stock II
Medium·Freq 63%·Acc 71.3%
#3371Identify the Largest Outlier in an Array
Medium·Freq 63%·Acc 36.4%
+1
#136Single Number
Easy·Freq 63%·Acc 77.9%
#155Min Stack
Medium·Freq 63%·Acc 58.4%
#2667Create Hello World Function
Easy·Freq 63%·Acc 81.9%
#36Valid Sudoku
Medium·Freq 63%·Acc 64.7%
#206Reverse Linked List
Easy·Freq 63%·Acc 80.8%
#540Single Element in a Sorted Array
Medium·Freq 63%·Acc 59.3%
#74Search a 2D Matrix
Medium·Freq 63%·Acc 54.3%
#217Contains Duplicate
Easy·Freq 63%·Acc 64.5%
#234Palindrome Linked List
Easy·Freq 63%·Acc 58.3%
+1
#6Zigzag Conversion
Medium·Freq 63%·Acc 54.5%
#69Sqrt(x)
Easy·Freq 63%·Acc 42.1%
#199Binary Tree Right Side View
Medium·Freq 63%·Acc 70.7%
+1
#739Daily Temperatures
Medium·Freq 63%·Acc 68.9%
#1757Recyclable and Low Fat ProductsSQL
Easy·Freq 63%·Acc 88.6%
#297Serialize and Deserialize Binary Tree
Hard·Freq 63%·Acc 61.1%
+3
#863All Nodes Distance K in Binary Tree
Medium·Freq 63%·Acc 67.8%
+2
#25Reverse Nodes in k-Group
Hard·Freq 63%·Acc 66.6%
#1004Max Consecutive Ones III
Medium·Freq 63%·Acc 68.0%
+1
#460LFU Cache
Hard·Freq 63%·Acc 49.7%
+1
#27Remove Element
Easy·Freq 57%·Acc 62.1%
#35Search Insert Position
Easy·Freq 57%·Acc 51.7%
#46Permutations
Medium·Freq 57%·Acc 82.1%
#287Find the Duplicate Number
Medium·Freq 56%·Acc 64.6%
+3
#73Set Matrix Zeroes
Medium·Freq 56%·Acc 63.3%
#103Binary Tree Zigzag Level Order Traversal
Medium·Freq 56%·Acc 64.1%
#167Two Sum II - Input Array Is Sorted
Medium·Freq 56%·Acc 65.4%
#387First Unique Character in a String
Easy·Freq 55%·Acc 65.8%
+1
#28Find the Index of the First Occurrence in a String
Easy·Freq 55%·Acc 46.9%
+3
#443String Compression
Medium·Freq 55%·Acc 60.3%
#496Next Greater Element I
Easy·Freq 55%·Acc 76.5%
+1
#102Binary Tree Level Order Traversal
Medium·Freq 54%·Acc 73.0%
#268Missing Number
Easy·Freq 54%·Acc 72.3%
+3
#143Reorder List
Medium·Freq 54%·Acc 65.7%
+1
#503Next Greater Element II
Medium·Freq 54%·Acc 68.7%
#8String to Integer (atoi)
Medium·Freq 54%·Acc 21.3%
#134Gas Station
Medium·Freq 54%·Acc 48.3%
#152Maximum Product Subarray
Medium·Freq 54%·Acc 36.7%
#10Regular Expression Matching
Hard·Freq 54%·Acc 31.2%
#50Pow(x, n)
Medium·Freq 54%·Acc 38.9%
#125Valid Palindrome
Easy·Freq 54%·Acc 53.7%
#212Word Search II
Hard·Freq 54%·Acc 38.6%
+2
#135Candy
Hard·Freq 53%·Acc 48.8%
#328Odd Even Linked List
Medium·Freq 53%·Acc 62.6%
#472Concatenated Words
Hard·Freq 53%·Acc 49.9%
+3
#733Flood Fill
Easy·Freq 53%·Acc 68.6%
+1
#19Remove Nth Node From End of List
Medium·Freq 53%·Acc 52.0%
#39Combination Sum
Medium·Freq 53%·Acc 76.8%
#72Edit Distance
Medium·Freq 53%·Acc 60.9%
#300Longest Increasing Subsequence
Medium·Freq 53%·Acc 59.7%
+1
#12Integer to Roman
Medium·Freq 52%·Acc 71.2%
#98Validate Binary Search Tree
Medium·Freq 52%·Acc 36.0%
+1
#410Split Array Largest Sum
Hard·Freq 52%·Acc 60.9%
+2
#543Diameter of Binary Tree
Easy·Freq 52%·Acc 65.8%
+1
#416Partition Equal Subset Sum
Medium·Freq 52%·Acc 49.7%
+1
#224Basic Calculator
Hard·Freq 52%·Acc 47.0%
+1
#163Sum Closest
Medium·Freq 51%·Acc 48.9%
#141Linked List Cycle
Easy·Freq 51%·Acc 54.7%
+1
#179Largest Number
Medium·Freq 51%·Acc 43.3%
+1
#485Max Consecutive Ones
Easy·Freq 51%·Acc 65.6%
#876Middle of the Linked List
Easy·Freq 51%·Acc 82.1%
#1235Maximum Profit in Job Scheduling
Hard·Freq 51%·Acc 54.8%
+1
#151Reverse Words in a String
Medium·Freq 51%·Acc 57.0%
#175Combine Two TablesSQL
Easy·Freq 51%·Acc 79.7%
#349Intersection of Two Arrays
Easy·Freq 51%·Acc 78.0%
+2
#509Fibonacci Number
Easy·Freq 51%·Acc 74.3%
+1
#140Word Break II
Hard·Freq 51%·Acc 55.8%
+4
#202Happy Number
Easy·Freq 51%·Acc 59.9%
+1
#240Search a 2D Matrix II
Medium·Freq 51%·Acc 57.6%
+1
#547Number of Provinces
Medium·Freq 51%·Acc 70.7%
+1
#907Sum of Subarray Minimums
Medium·Freq 51%·Acc 38.8%
+1
#66Plus One
Easy·Freq 50%·Acc 50.2%
#67Add Binary
Easy·Freq 50%·Acc 58.3%
+1
#131Palindrome Partitioning
Medium·Freq 50%·Acc 74.3%
#32Longest Valid Parentheses
Hard·Freq 50%·Acc 39.1%
+1
#61Rotate List
Medium·Freq 50%·Acc 42.9%
#110Balanced Binary Tree
Easy·Freq 50%·Acc 58.7%
#227Basic Calculator II
Medium·Freq 50%·Acc 47.0%
#399Evaluate Division
Medium·Freq 50%·Acc 64.4%
+6
#394Decode String
Medium·Freq 50%·Acc 62.9%
#1752Check if Array Is Sorted and Rotated
Easy·Freq 50%·Acc 57.5%
#219Contains Duplicate II
Easy·Freq 50%·Acc 51.5%
#80Remove Duplicates from Sorted Array II
Medium·Freq 50%·Acc 64.9%
#209Minimum Size Subarray Sum
Medium·Freq 50%·Acc 52.2%
+1
#3434Maximum Frequency After Subarray Operation
Medium·Freq 50%·Acc 31.4%
+3
#37Sudoku Solver
Hard·Freq 50%·Acc 65.6%
+3
#273Integer to English Words
Hard·Freq 50%·Acc 35.1%
#1929Concatenation of Array
Easy·Freq 50%·Acc 90.2%
#100Same Tree
Easy·Freq 50%·Acc 67.5%
+1
#567Permutation in String
Medium·Freq 50%·Acc 49.2%
+1
#796Rotate String
Easy·Freq 50%·Acc 66.9%
#176Second Highest SalarySQL
Medium·Freq 50%·Acc 47.5%
#981Time Based Key-Value Store
Medium·Freq 50%·Acc 50.0%
+1
#2055Plates Between Candles
Medium·Freq 50%·Acc 47.6%
+1
#101Symmetric Tree
Easy·Freq 50%·Acc 61.6%
+1
#153Find Minimum in Rotated Sorted Array
Medium·Freq 50%·Acc 55.0%
#205Isomorphic Strings
Easy·Freq 50%·Acc 48.7%
#973K Closest Points to Origin
Medium·Freq 50%·Acc 69.2%
+5
#987Vertical Order Traversal of a Binary Tree
Hard·Freq 50%·Acc 54.2%
+3
#104Maximum Depth of Binary Tree
Easy·Freq 50%·Acc 78.4%
+1
#130Surrounded Regions
Medium·Freq 50%·Acc 45.8%
+2
#150Evaluate Reverse Polish Notation
Medium·Freq 50%·Acc 58.2%
#204Count Primes
Medium·Freq 50%·Acc 36.2%
+4
#1148Article Views ISQL
Easy·Freq 50%·Acc 76.7%
#1268Search Suggestions System
Medium·Freq 50%·Acc 65.2%
+3
#2357Make Array Zero by Subtracting Equal Amounts
Easy·Freq 50%·Acc 73.9%
+3
#148Sort List
Medium·Freq 50%·Acc 64.8%
+2
#160Intersection of Two Linked Lists
Easy·Freq 50%·Acc 64.2%
#438Find All Anagrams in a String
Medium·Freq 50%·Acc 54.1%
#852Peak Index in a Mountain Array
Medium·Freq 50%·Acc 66.8%
#992Subarrays with K Different Integers
Hard·Freq 50%·Acc 68.6%
+1
#344Reverse String
Easy·Freq 50%·Acc 81.0%
#417Pacific Atlantic Water Flow
Medium·Freq 50%·Acc 61.2%
+1
#662Maximum Width of Binary Tree
Medium·Freq 50%·Acc 45.8%
+1
#528Random Pick with Weight
Medium·Freq 50%·Acc 49.2%
+2
#85Maximal Rectangle
Hard·Freq 50%·Acc 59.2%
+2
#92Reverse Linked List II
Medium·Freq 50%·Acc 51.9%
#105Construct Binary Tree from Preorder and Inorder Traversal
Medium·Freq 50%·Acc 69.1%
+2
#116Populating Next Right Pointers in Each Node
Medium·Freq 50%·Acc 67.4%
+2
#230Kth Smallest Element in a BST
Medium·Freq 50%·Acc 77.0%
+1
#235Lowest Common Ancestor of a Binary Search Tree
Medium·Freq 50%·Acc 70.9%
+3
#658Find K Closest Elements
Medium·Freq 50%·Acc 49.9%
+3
#64Minimum Path Sum
Medium·Freq 50%·Acc 68.5%
#181Employees Earning More Than Their ManagersSQL
Easy·Freq 50%·Acc 73.5%
#901Online Stock Span
Medium·Freq 50%·Acc 69.4%
+1
#1650Lowest Common Ancestor of a Binary Tree III
Medium·Freq 50%·Acc 83.0%
+3
#2149Rearrange Array Elements by Sign
Medium·Freq 50%·Acc 84.7%
#3733Minimum Time to Complete All Deliveries
Medium·Freq 50%·Acc 35.5%
#71Simplify Path
Medium·Freq 50%·Acc 50.9%
#126Word Ladder II
Hard·Freq 50%·Acc 27.8%
+2
#494Target Sum
Medium·Freq 50%·Acc 52.5%
+2
#787Cheapest Flights Within K Stops
Medium·Freq 50%·Acc 42.2%
+3
#142Linked List Cycle II
Medium·Freq 50%·Acc 58.5%
+1
#692Top K Frequent Words
Medium·Freq 50%·Acc 60.4%
+5
#704Binary Search
Easy·Freq 50%·Acc 61.1%
#1492The kth Factor of n
Medium·Freq 50%·Acc 70.5%
#2214Minimum Health to Beat Game
Medium·Freq 50%·Acc 58.9%
#90Subsets II
Medium·Freq 50%·Acc 61.6%
#412Fizz Buzz
Easy·Freq 50%·Acc 75.7%
#3413Maximum Coins From K Consecutive Bags
Medium·Freq 47%·Acc 25.7%
+3
#337House Robber III
Medium·Freq 45%·Acc 56.1%
+2
#493Reverse Pairs
Hard·Freq 45%·Acc 34.7%
+5
#977Squares of a Sorted Array
Easy·Freq 45%·Acc 73.9%
#1838Frequency of the Most Frequent Element
Medium·Freq 45%·Acc 45.0%
+3
#29Divide Two Integers
Medium·Freq 44%·Acc 20.0%
#525Contiguous Array
Medium·Freq 44%·Acc 51.7%
#58Length of Last Word
Easy·Freq 44%·Acc 59.2%
#83Remove Duplicates from Sorted List
Easy·Freq 43%·Acc 57.1%
#435Non-overlapping Intervals
Medium·Freq 43%·Acc 57.4%
+1
#746Min Cost Climbing Stairs
Easy·Freq 43%·Acc 68.5%
#229Majority Element II
Medium·Freq 43%·Acc 56.5%
+2
#570Managers with at Least 5 Direct ReportsSQL
Medium·Freq 43%·Acc 49.2%
#643Maximum Average Subarray I
Easy·Freq 43%·Acc 48.4%
#680Valid Palindrome II
Easy·Freq 43%·Acc 44.5%
#1480Running Sum of 1d Array
Easy·Freq 43%·Acc 87.0%
#1482Minimum Number of Days to Make m Bouquets
Medium·Freq 43%·Acc 56.8%
#1661Average Time of Process per MachineSQL
Easy·Freq 43%·Acc 66.8%
#231Power of Two
Easy·Freq 42%·Acc 50.3%
#402Remove K Digits
Medium·Freq 42%·Acc 37.2%
+1
#721Accounts Merge
Medium·Freq 42%·Acc 61.6%
+4
#881Boats to Save People
Medium·Freq 42%·Acc 62.0%
+2
#197Rising TemperatureSQL
Easy·Freq 41%·Acc 51.6%
#226Invert Binary Tree
Easy·Freq 41%·Acc 80.2%
+1
#392Is Subsequence
Easy·Freq 41%·Acc 49.2%
#451Sort Characters By Frequency
Medium·Freq 41%·Acc 75.5%
+3
#645Set Mismatch
Easy·Freq 41%·Acc 43.4%
+1
#752Open the Lock
Medium·Freq 41%·Acc 61.4%
+2
#763Partition Labels
Medium·Freq 41%·Acc 82.0%
+1
#909Snakes and Ladders
Medium·Freq 41%·Acc 48.2%
#1603Design Parking System
Easy·Freq 41%·Acc 87.2%
#2235Add Two Integers
Easy·Freq 41%·Acc 88.0%
#24Swap Nodes in Pairs
Medium·Freq 41%·Acc 69.8%
#38Count and Say
Medium·Freq 41%·Acc 63.3%
#63Unique Paths II
Medium·Freq 41%·Acc 44.7%
#81Search in Rotated Sorted Array II
Medium·Freq 41%·Acc 40.2%
#94Binary Tree Inorder Traversal
Easy·Freq 41%·Acc 80.3%
+1
#213House Robber II
Medium·Freq 41%·Acc 45.2%
#407Trapping Rain Water II
Hard·Freq 41%·Acc 64.1%
+1
#703Kth Largest Element in a Stream
Easy·Freq 41%·Acc 61.3%
+3
#1423Maximum Points You Can Obtain from Cards
Medium·Freq 41%·Acc 58.0%
#1539Kth Missing Positive Number
Easy·Freq 41%·Acc 63.7%
#1642Furthest Building You Can Reach
Medium·Freq 41%·Acc 51.0%
#2221Find Triangular Sum of an Array
Medium·Freq 41%·Acc 82.0%
+2
#383Ransom Note
Easy·Freq 40%·Acc 66.2%
#455Assign Cookies
Easy·Freq 40%·Acc 55.3%
+2
#54201 Matrix
Medium·Freq 40%·Acc 54.4%
+1
#636Exclusive Time of Functions
Medium·Freq 40%·Acc 66.3%
#695Max Area of Island
Medium·Freq 40%·Acc 74.1%
+2
#1192Critical Connections in a Network
Hard·Freq 40%·Acc 60.1%
+1
#2281Sum of Total Strength of Wizards
Hard·Freq 40%·Acc 29.6%
+1
#133Clone Graph
Medium·Freq 40%·Acc 65.7%
+1
#355Design Twitter
Medium·Freq 40%·Acc 45.1%
+1
#595Big CountriesSQL
Easy·Freq 40%·Acc 68.6%
#632Smallest Range Covering Elements from K Lists
Hard·Freq 40%·Acc 70.2%
+3
#647Palindromic Substrings
Medium·Freq 40%·Acc 73.0%
#827Making A Large Island
Hard·Freq 40%·Acc 56.9%
+2
#1193Monthly Transactions ISQL
Medium·Freq 40%·Acc 59.4%
#1251Average Selling PriceSQL
Easy·Freq 40%·Acc 37.5%
#2104Sum of Subarray Ranges
Medium·Freq 40%·Acc 61.5%
#44Wildcard Matching
Hard·Freq 39%·Acc 32.3%
+1
#91Decode Ways
Medium·Freq 39%·Acc 38.2%
#99Recover Binary Search Tree
Medium·Freq 39%·Acc 60.2%
+1
#108Convert Sorted Array to Binary Search Tree
Easy·Freq 39%·Acc 75.8%
+2
#232Implement Queue using Stacks
Easy·Freq 39%·Acc 70.1%
#237Delete Node in a Linked List
Medium·Freq 39%·Acc 84.1%
#278First Bad Version
Easy·Freq 39%·Acc 47.3%
#345Reverse Vowels of a String
Easy·Freq 39%·Acc 61.7%
#450Delete Node in a BST
Medium·Freq 39%·Acc 55.0%
#706Design HashMap
Easy·Freq 39%·Acc 66.7%
+2
#962Maximum Width Ramp
Medium·Freq 39%·Acc 55.9%
+1
#1431Kids With the Greatest Number of Candies
Easy·Freq 39%·Acc 88.0%
#1456Maximum Number of Vowels in a Substring of Given Length
Medium·Freq 39%·Acc 62.3%
#1922Count Good Numbers
Medium·Freq 39%·Acc 57.9%
#3914Minimum Operations to Make Array Non Decreasing
Medium·Freq 39%·Acc 55.5%
#30Substring with Concatenation of All Words
Hard·Freq 38%·Acc 34.7%
#86Partition List
Medium·Freq 38%·Acc 61.5%
#208Implement Trie (Prefix Tree)
Medium·Freq 38%·Acc 69.7%
+1
#269Alien Dictionary
Hard·Freq 38%·Acc 37.3%
+4
#348Design Tic-Tac-Toe
Medium·Freq 38%·Acc 58.8%
+2
#354Russian Doll Envelopes
Hard·Freq 38%·Acc 38.0%
+2
#373Find K Pairs with Smallest Sums
Medium·Freq 38%·Acc 42.1%
#516Longest Palindromic Subsequence
Medium·Freq 38%·Acc 65.7%
#518Coin Change II
Medium·Freq 38%·Acc 59.6%
+1
#584Find Customer RefereeSQL
Easy·Freq 38%·Acc 73.1%
#678Valid Parenthesis String
Medium·Freq 38%·Acc 40.3%
+2
#713Subarray Product Less Than K
Medium·Freq 38%·Acc 54.7%
+1
#622Design Circular Queue
Medium·Freq 38%·Acc 55.0%
+1
#912Sort an Array
Medium·Freq 38%·Acc 55.9%
+5
#1070Product Sales Analysis IIISQL
Medium·Freq 38%·Acc 46.2%
#1091Shortest Path in Binary Matrix
Medium·Freq 38%·Acc 51.8%
#2385Amount of Time for Binary Tree to Be Infected
Medium·Freq 38%·Acc 65.7%
+2
#2461Maximum Sum of Distinct Subarrays With Length K
Medium·Freq 38%·Acc 43.2%
#57Insert Interval
Medium·Freq 38%·Acc 45.5%
#120Triangle
Medium·Freq 38%·Acc 59.9%
#605Can Place Flowers
Easy·Freq 38%·Acc 29.2%
#1008Construct Binary Search Tree from Preorder Traversal
Medium·Freq 38%·Acc 84.4%
+3
#1071Greatest Common Divisor of Strings
Easy·Freq 38%·Acc 54.0%
+1
#1143Longest Common Subsequence
Medium·Freq 38%·Acc 59.3%
#1207Unique Number of Occurrences
Easy·Freq 38%·Acc 78.8%
#1438Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit
Medium·Freq 38%·Acc 57.8%
+3
#2965Find Missing and Repeated Values
Easy·Freq 38%·Acc 83.1%
+1
#2163Minimum Difference in Sums After Removal of Elements
Hard·Freq 38%·Acc 69.6%
#3644Maximum K to Sort a Permutation
Medium·Freq 38%·Acc 37.5%
#3752Lexicographically Smallest Negated Permutation that Sums to Target
Medium·Freq 38%·Acc 31.4%
+2
#97Interleaving String
Medium·Freq 38%·Acc 44.3%
#221Maximal Square
Medium·Freq 38%·Acc 50.6%
#258Add Digits
Easy·Freq 38%·Acc 69.1%
#303Range Sum Query - Immutable
Easy·Freq 38%·Acc 72.7%
#486Predict the Winner
Medium·Freq 38%·Acc 56.3%
+4
#588Design In-Memory File System
Hard·Freq 38%·Acc 48.3%
+2
#815Bus Routes
Hard·Freq 38%·Acc 47.4%
#1710Maximum Units on a Truck
Easy·Freq 38%·Acc 75.0%
#115Distinct Subsequences
Hard·Freq 38%·Acc 52.2%
#137Single Number II
Medium·Freq 38%·Acc 67.4%
#225Implement Stack using Queues
Easy·Freq 38%·Acc 70.4%
#312Burst Balloons
Hard·Freq 38%·Acc 63.9%
#498Diagonal Traverse
Medium·Freq 38%·Acc 67.3%
#694Number of Distinct Islands
Medium·Freq 38%·Acc 62.9%
+5
#696Count Binary Substrings
Easy·Freq 38%·Acc 70.5%
#724Find Pivot Index
Easy·Freq 38%·Acc 63.2%
#1429First Unique Number
Medium·Freq 38%·Acc 57.8%
+2
#3612Process String with Special Operations I
Medium·Freq 38%·Acc 71.4%
#60Permutation Sequence
Hard·Freq 38%·Acc 53.6%
#68Text Justification
Hard·Freq 38%·Acc 51.5%
#114Flatten Binary Tree to Linked List
Medium·Freq 38%·Acc 71.1%
+2
#185Department Top Three SalariesSQL
Hard·Freq 38%·Acc 61.0%
#211Design Add and Search Words Data Structure
Medium·Freq 38%·Acc 48.7%
+1
#334Increasing Triplet Subsequence
Medium·Freq 38%·Acc 39.5%
#371Sum of Two Integers
Medium·Freq 38%·Acc 55.8%
#802Find Eventual Safe States
Medium·Freq 38%·Acc 71.2%
+3
#921Minimum Add to Make Parentheses Valid
Medium·Freq 38%·Acc 74.3%
+1
#968Binary Tree Cameras
Hard·Freq 38%·Acc 48.0%
+2
#1081Smallest Subsequence of Distinct Characters
Medium·Freq 38%·Acc 63.7%
+1
#1209Remove All Adjacent Duplicates in String II
Medium·Freq 38%·Acc 61.6%
#1283Find the Smallest Divisor Given a Threshold
Medium·Freq 38%·Acc 66.3%
#1373Maximum Sum BST in Binary Tree
Hard·Freq 38%·Acc 48.1%
+3
#1581Customer Who Visited but Did Not Make Any TransactionsSQL
Easy·Freq 38%·Acc 67.9%
#1934Confirmation RateSQL
Medium·Freq 38%·Acc 62.2%
#2288Apply Discount to Prices
Medium·Freq 38%·Acc 34.4%
#3317Find the Number of Possible Ways for an Event
Hard·Freq 38%·Acc 35.4%
#3610Minimum Number of Primes to Sum to Target
Medium·Freq 38%·Acc 59.8%
+1
#47Permutations II
Medium·Freq 38%·Acc 63.7%
#316Remove Duplicate Letters
Medium·Freq 38%·Acc 53.5%
+1
#323Number of Connected Components in an Undirected Graph
Medium·Freq 38%·Acc 65.1%
+1
#378Kth Smallest Element in a Sorted Matrix
Medium·Freq 38%·Acc 64.8%
+2
#459Repeated Substring Pattern
Easy·Freq 38%·Acc 48.5%
+1
#1721Swapping Nodes in a Linked List
Medium·Freq 38%·Acc 69.6%
#653Two Sum IV - Input is a BST
Easy·Freq 38%·Acc 63.5%
+4
#785Is Graph Bipartite?
Medium·Freq 38%·Acc 59.6%
+3
#931Minimum Falling Path Sum
Medium·Freq 38%·Acc 60.9%
#1047Remove All Adjacent Duplicates In String
Easy·Freq 38%·Acc 73.6%
#1280Students and ExaminationsSQL
Easy·Freq 38%·Acc 61.5%
#1353Maximum Number of Events That Can Be Attended
Medium·Freq 38%·Acc 39.0%
+1
#1378Replace Employee ID With The Unique IdentifierSQL
Easy·Freq 38%·Acc 83.6%
#1277Count Square Submatrices with All Ones
Medium·Freq 38%·Acc 80.8%
#40Combination Sum II
Medium·Freq 38%·Acc 59.7%
#59Spiral Matrix II
Medium·Freq 38%·Acc 75.4%
#165Compare Version Numbers
Medium·Freq 38%·Acc 46.7%
#168Excel Sheet Column Title
Easy·Freq 38%·Acc 46.9%
#178Rank ScoresSQL
Medium·Freq 38%·Acc 68.2%
#180Consecutive NumbersSQL
Medium·Freq 38%·Acc 48.8%
#203Remove Linked List Elements
Easy·Freq 38%·Acc 54.9%
#332Reconstruct Itinerary
Hard·Freq 38%·Acc 44.7%
+6
#403Frog Jump
Hard·Freq 38%·Acc 47.4%
#437Path Sum III
Medium·Freq 38%·Acc 46.5%
#448Find All Numbers Disappeared in an Array
Easy·Freq 38%·Acc 64.4%
#577Employee BonusSQL
Easy·Freq 38%·Acc 77.7%
#771Jewels and Stones
Easy·Freq 38%·Acc 89.6%
#1174Immediate Food Delivery IISQL
Medium·Freq 38%·Acc 56.4%
#1552Magnetic Force Between Two Balls
Medium·Freq 38%·Acc 72.4%
#2551Put Marbles in Bags
Hard·Freq 38%·Acc 72.1%
+1
#2979Most Expensive Item That Can Not Be Bought
Medium·Freq 38%·Acc 80.1%
#3104Find Longest Self-Contained Substring
Hard·Freq 38%·Acc 58.5%
#89Gray Code
Medium·Freq 38%·Acc 65.3%
#241Different Ways to Add Parentheses
Medium·Freq 38%·Acc 73.4%
+3
#274H-Index
Medium·Freq 38%·Acc 41.6%
#414Third Maximum Number
Easy·Freq 38%·Acc 39.8%
#415Add Strings
Easy·Freq 38%·Acc 52.2%
#556Next Greater Element III
Medium·Freq 38%·Acc 35.4%
#790Domino and Tromino Tiling
Medium·Freq 38%·Acc 51.3%
#871Minimum Number of Refueling Stops
Hard·Freq 38%·Acc 41.6%
+1
#937Reorder Data in Log Files
Medium·Freq 38%·Acc 56.8%
#1045Customers Who Bought All ProductsSQL
Medium·Freq 38%·Acc 64.2%
#2161Partition Array According to Given Pivot
Medium·Freq 38%·Acc 90.8%
#2390Removing Stars From a String
Medium·Freq 38%·Acc 79.6%
#2877Create a DataFrame from List
Easy·Freq 38%·Acc 80.9%
#2790Maximum Number of Groups With Increasing Length
Hard·Freq 38%·Acc 23.3%
+2
#1648Sell Diminishing-Valued Colored Balls
Medium·Freq 38%·Acc 30.3%
+3
#3872Longest Arithmetic Sequence After Changing At Most One Element
Medium·Freq 38%·Acc 21.6%
#174Dungeon Game
Hard·Freq 38%·Acc 41.7%
#177Nth Highest SalarySQL
Medium·Freq 38%·Acc 39.5%
#190Reverse Bits
Easy·Freq 38%·Acc 68.8%
#395Longest Substring with At Least K Repeating Characters
Medium·Freq 38%·Acc 46.4%
+1
#396Rotate Function
Medium·Freq 38%·Acc 54.2%
#456132 Pattern
Medium·Freq 38%·Acc 34.9%
+2
#545Boundary of Binary Tree
Medium·Freq 38%·Acc 48.2%
#930Binary Subarrays With Sum
Medium·Freq 38%·Acc 69.3%
+1
#1021Remove Outermost Parentheses
Easy·Freq 38%·Acc 87.3%
#1038Binary Search Tree to Greater Sum Tree
Medium·Freq 38%·Acc 88.4%
+1
#1344Angle Between Hands of a Clock
Medium·Freq 38%·Acc 69.7%
#2272Substring With Largest Variance
Hard·Freq 38%·Acc 46.0%
+1
#2825Make String a Subsequence Using Cyclic Increments
Medium·Freq 38%·Acc 65.7%
#3459Length of Longest V-Shaped Diagonal Segment
Hard·Freq 38%·Acc 56.2%
+1
#3676Count Bowl Subarrays
Medium·Freq 38%·Acc 48.5%
#96Unique Binary Search Trees
Medium·Freq 38%·Acc 63.9%
+2
#112Path Sum
Easy·Freq 38%·Acc 55.3%
+1
#173Binary Search Tree Iterator
Medium·Freq 38%·Acc 76.7%
+3
#228Summary Ranges
Easy·Freq 38%·Acc 54.4%
#617Merge Two Binary Trees
Easy·Freq 38%·Acc 79.1%
+1
#430Flatten a Multilevel Doubly Linked List
Medium·Freq 38%·Acc 63.1%
#791Custom Sort String
Medium·Freq 38%·Acc 72.3%
#1068Product Sales Analysis ISQL
Easy·Freq 38%·Acc 85.9%
#1299Replace Elements with Greatest Element on Right Side
Easy·Freq 38%·Acc 72.3%
#1590Make Sum Divisible by P
Medium·Freq 38%·Acc 42.6%
#1781Sum of Beauty of All Substrings
Medium·Freq 38%·Acc 74.4%
#1792Maximum Average Pass Ratio
Medium·Freq 38%·Acc 74.1%
#2434Using a Robot to Print the Lexicographically Smallest String
Medium·Freq 38%·Acc 62.2%
+1
#2929Distribute Candies Among Children II
Medium·Freq 38%·Acc 55.6%
#661Image Smoother
Easy·Freq 38%·Acc 69.4%
#725Split Linked List in Parts
Medium·Freq 38%·Acc 70.6%
#1128Number of Equivalent Domino Pairs
Easy·Freq 38%·Acc 60.7%
#1351Count Negative Numbers in a Sorted Matrix
Easy·Freq 38%·Acc 79.7%
#1496Path Crossing
Easy·Freq 38%·Acc 62.7%
#1863Sum of All Subset XOR Totals
Easy·Freq 38%·Acc 90.1%
+3
#2250Count Number of Rectangles Containing Each Point
Medium·Freq 38%·Acc 37.8%
+2
#2347Best Poker Hand
Easy·Freq 38%·Acc 61.9%
#2342Max Sum of a Pair With Equal Sum of Digits
Medium·Freq 38%·Acc 65.9%
+1
#2355Maximum Number of Books You Can Take
Hard·Freq 38%·Acc 39.5%
+1
#2583Kth Largest Sum in a Binary Tree
Medium·Freq 38%·Acc 59.0%
+1
#682Baseball Game
Easy·Freq 38%·Acc 80.8%
#1382Balance a Binary Search Tree
Medium·Freq 38%·Acc 86.3%
+3
#43Multiply Strings
Medium·Freq 33%·Acc 44.4%
#77Combinations
Medium·Freq 33%·Acc 74.8%
#182Duplicate EmailsSQL
Easy·Freq 33%·Acc 74.0%
#123Best Time to Buy and Sell Stock III
Hard·Freq 32%·Acc 54.2%
#389Find the Difference
Easy·Freq 32%·Acc 60.5%
+1
#1470Shuffle the Array
Easy·Freq 32%·Acc 88.7%
#113Path Sum II
Medium·Freq 31%·Acc 62.5%
+1
#918Maximum Sum Circular Subarray
Medium·Freq 31%·Acc 50.7%
+2
#1547Minimum Cost to Cut a Stick
Hard·Freq 31%·Acc 63.3%
#183Customers Who Never OrderSQL
Easy·Freq 30%·Acc 72.0%
#187Repeated DNA Sequences
Medium·Freq 30%·Acc 53.6%
+5
#442Find All Duplicates in an Array
Medium·Freq 30%·Acc 77.0%
#561Array Partition
Easy·Freq 30%·Acc 81.9%
+1
#628Maximum Product of Three Numbers
Easy·Freq 30%·Acc 46.1%
#853Car Fleet
Medium·Freq 30%·Acc 55.4%
+1
#926Flip String to Monotone Increasing
Medium·Freq 30%·Acc 61.9%
#974Subarray Sums Divisible by K
Medium·Freq 30%·Acc 56.5%
#1971Find if Path Exists in Graph
Easy·Freq 30%·Acc 55.5%
+1
#2035Partition Array Into Two Arrays to Minimize Sum Difference
Hard·Freq 30%·Acc 23.9%
+6
#93Restore IP Addresses
Medium·Freq 29%·Acc 56.4%
#191Number of 1 Bits
Easy·Freq 29%·Acc 77.1%
#432All O`one Data Structure
Hard·Freq 29%·Acc 44.4%
+1
#557Reverse Words in a String III
Easy·Freq 29%·Acc 84.1%
#778Swim in Rising Water
Hard·Freq 29%·Acc 68.0%
+6
#841Keys and Rooms
Medium·Freq 29%·Acc 76.0%
#860Lemonade Change
Easy·Freq 29%·Acc 59.3%
#862Shortest Subarray with Sum at Least K
Hard·Freq 29%·Acc 32.9%
+4
#947Most Stones Removed with Same Row or Column
Medium·Freq 29%·Acc 63.2%
+2
#986Interval List Intersections
Medium·Freq 29%·Acc 73.1%
#1092Shortest Common Supersequence
Hard·Freq 29%·Acc 62.1%
#1164Product Price at a Given DateSQL
Medium·Freq 29%·Acc 58.1%
#1472Design Browser History
Medium·Freq 29%·Acc 78.4%
+3
#1584Min Cost to Connect All Points
Medium·Freq 29%·Acc 71.3%
+4
#1700Number of Students Unable to Eat Lunch
Easy·Freq 29%·Acc 79.8%
+1
#2115Find All Possible Recipes from Given Supplies
Medium·Freq 29%·Acc 57.0%
+3
#2402Meeting Rooms III
Hard·Freq 29%·Acc 51.4%
+2
#2643Row With Maximum Ones
Easy·Freq 29%·Acc 74.2%
#3462Maximum Sum With at Most K Elements
Medium·Freq 29%·Acc 60.9%
+2
#2170Minimum Operations to Make the Array Alternating
Medium·Freq 29%·Acc 35.8%
+1
#2488Count Subarrays With Median K
Hard·Freq 29%·Acc 49.0%
#3785Minimum Swaps to Avoid Forbidden Values
Hard·Freq 29%·Acc 30.9%
+1
#3010Divide an Array Into Subarrays With Minimum Cost I
Easy·Freq 29%·Acc 80.6%
#3867Sum of GCD of Formed Pairs
Medium·Freq 29%·Acc 65.9%
+3
#52N-Queens II
Hard·Freq 28%·Acc 79.0%
#119Pascal's Triangle II
Easy·Freq 28%·Acc 67.7%
#132Palindrome Partitioning II
Hard·Freq 28%·Acc 37.4%
#184Department Highest SalarySQL
Medium·Freq 28%·Acc 58.6%
#214Shortest Palindrome
Hard·Freq 28%·Acc 42.7%
+4
#216Combination Sum III
Medium·Freq 28%·Acc 73.5%
#252Meeting Rooms
Easy·Freq 28%·Acc 59.5%
#277Find the Celebrity
Medium·Freq 28%·Acc 49.0%
#319Bulb Switcher
Medium·Freq 28%·Acc 56.1%
#341Flatten Nested List Iterator
Medium·Freq 28%·Acc 65.8%
+3
#441Arranging Coins
Easy·Freq 28%·Acc 48.4%
#475Heaters
Medium·Freq 28%·Acc 42.2%
+1
#502IPO
Hard·Freq 28%·Acc 53.6%
+1
#517Super Washing Machines
Hard·Freq 28%·Acc 44.9%
#572Subtree of Another Tree
Easy·Freq 28%·Acc 51.9%
+2
#646Maximum Length of Pair Chain
Medium·Freq 28%·Acc 62.0%
+2
#684Redundant Connection
Medium·Freq 28%·Acc 67.9%
+1
#698Partition to K Equal Sum Subsets
Medium·Freq 28%·Acc 38.8%
+3
#844Backspace String Compare
Easy·Freq 28%·Acc 50.0%
+1
#933Number of Recent Calls
Easy·Freq 28%·Acc 78.7%
#983Minimum Cost For Tickets
Medium·Freq 28%·Acc 67.5%
#1028Recover a Tree From Preorder Traversal
Hard·Freq 28%·Acc 83.3%
+1
#1046Last Stone Weight
Easy·Freq 28%·Acc 66.6%
#1288Remove Covered Intervals
Medium·Freq 28%·Acc 60.0%
#1293Shortest Path in a Grid with Obstacles Elimination
Hard·Freq 28%·Acc 46.5%
#1319Number of Operations to Make Network Connected
Medium·Freq 28%·Acc 66.9%
+1
#1365How Many Numbers Are Smaller Than the Current Number
Easy·Freq 28%·Acc 87.5%
+1
#1478Allocate Mailboxes
Hard·Freq 28%·Acc 56.8%
+1
#1628Design an Expression Tree With Evaluate Function
Medium·Freq 28%·Acc 82.5%
+3
#1695Maximum Erasure Value
Medium·Freq 28%·Acc 64.4%
#1732Find the Highest Altitude
Easy·Freq 28%·Acc 84.7%
#1942The Number of the Smallest Unoccupied Chair
Medium·Freq 28%·Acc 60.3%
#2294Partition Array Such That Maximum Difference Is K
Medium·Freq 28%·Acc 81.8%
#2316Count Unreachable Pairs of Nodes in an Undirected Graph
Medium·Freq 28%·Acc 50.1%
+1
#2337Move Pieces to Obtain a String
Medium·Freq 28%·Acc 56.6%
#2375Construct Smallest Number From DI String
Medium·Freq 28%·Acc 85.5%
+1
#2396Strictly Palindromic Number
Medium·Freq 28%·Acc 90.4%
#2747Count Zero Request Servers
Medium·Freq 28%·Acc 36.2%
+1
#3531Count Covered Buildings
Medium·Freq 28%·Acc 58.9%
#65Valid Number
Hard·Freq 27%·Acc 23.2%
#129Sum Root to Leaf Numbers
Medium·Freq 27%·Acc 70.1%
#188Best Time to Buy and Sell Stock IV
Hard·Freq 27%·Acc 50.7%
#260Single Number III
Medium·Freq 27%·Acc 70.2%
#314Binary Tree Vertical Order Traversal
Medium·Freq 27%·Acc 57.9%
+3
#359Logger Rate Limiter
Easy·Freq 27%·Acc 76.9%
#362Design Hit Counter
Medium·Freq 27%·Acc 69.7%
+2
#386Lexicographical Numbers
Medium·Freq 27%·Acc 76.3%
#419Battleships in a Board
Medium·Freq 27%·Acc 77.6%
#508Most Frequent Subtree Sum
Medium·Freq 27%·Acc 69.4%
+2
#523Continuous Subarray Sum
Medium·Freq 27%·Acc 31.5%
+2
#610Triangle JudgementSQL
Easy·Freq 27%·Acc 74.9%
#626Exchange SeatsSQL
Medium·Freq 27%·Acc 74.4%
#729My Calendar I
Medium·Freq 27%·Acc 58.3%
+2
#740Delete and Earn
Medium·Freq 27%·Acc 57.4%
#743Network Delay Time
Medium·Freq 27%·Acc 61.0%
+3
#701Insert into a Binary Search Tree
Medium·Freq 27%·Acc 73.5%
#819Most Common Word
Easy·Freq 27%·Acc 45.2%
+1
#851Loud and Rich
Medium·Freq 27%·Acc 63.8%
+2
#922Sort Array By Parity II
Easy·Freq 27%·Acc 71.3%
#1002Find Common Characters
Easy·Freq 27%·Acc 74.8%
#1026Maximum Difference Between Node and Ancestor
Medium·Freq 27%·Acc 78.2%
#1044Longest Duplicate Substring
Hard·Freq 27%·Acc 31.3%
+7
#1166Design File System
Medium·Freq 27%·Acc 65.2%
+1
#1050Actors and Directors Who Cooperated At Least Three TimesSQL
Easy·Freq 27%·Acc 71.2%
#1084Sales Analysis IIISQL
Easy·Freq 27%·Acc 47.9%
#1129Shortest Path with Alternating Colors
Medium·Freq 27%·Acc 48.1%
#1141User Activity for the Past 30 Days ISQL
Easy·Freq 27%·Acc 51.1%
#1327List the Products Ordered in a PeriodSQL
Easy·Freq 27%·Acc 71.8%
#1485Clone Binary Tree With Random Pointer
Medium·Freq 27%·Acc 81.3%
+2
#1502Can Make Arithmetic Progression From Sequence
Easy·Freq 27%·Acc 68.8%
#1574Shortest Subarray to be Removed to Make Array Sorted
Medium·Freq 27%·Acc 51.4%
+2
#1614Maximum Nesting Depth of the Parentheses
Easy·Freq 27%·Acc 85.0%
#1679Max Number of K-Sum Pairs
Medium·Freq 27%·Acc 57.2%
+1
#1676Lowest Common Ancestor of a Binary Tree IV
Medium·Freq 27%·Acc 79.6%
+3
#1723Find Minimum Time to Finish All Jobs
Hard·Freq 27%·Acc 46.0%
+2
#1683Invalid TweetsSQL
Easy·Freq 27%·Acc 85.2%
#1846Maximum Element After Decreasing and Rearranging
Medium·Freq 27%·Acc 69.1%
#1886Determine Whether Matrix Can Be Obtained By Rotation
Easy·Freq 27%·Acc 68.4%
#1903Largest Odd Number in String
Easy·Freq 27%·Acc 67.8%
#1920Build Array from Permutation
Easy·Freq 27%·Acc 91.1%
#2006Count Number of Pairs With Absolute Difference K
Easy·Freq 27%·Acc 85.4%
#1998GCD Sort of an Array
Hard·Freq 27%·Acc 50.4%
+5
#2222Number of Ways to Select Buildings
Medium·Freq 27%·Acc 51.0%
#2262Total Appeal of A String
Hard·Freq 27%·Acc 56.6%
#2270Number of Ways to Split Array
Medium·Freq 27%·Acc 55.8%
#2244Minimum Rounds to Complete All Tasks
Medium·Freq 27%·Acc 63.4%
+1
#2336Smallest Number in Infinite Set
Medium·Freq 27%·Acc 70.7%
+1
#2398Maximum Number of Robots Within Budget
Hard·Freq 27%·Acc 38.8%
+4
#2386Find the K-Sum of an Array
Hard·Freq 27%·Acc 41.7%
#2502Design Memory Allocator
Medium·Freq 27%·Acc 50.4%
+1
#2641Cousins in Binary Tree II
Medium·Freq 27%·Acc 75.9%
+2
#3014Minimum Number of Pushes to Type Word I
Easy·Freq 27%·Acc 67.3%
#3016Minimum Number of Pushes to Type Word II
Medium·Freq 27%·Acc 80.0%
+2
#3120Count the Number of Special Characters I
Easy·Freq 27%·Acc 77.3%
#3366Minimum Array Sum
Medium·Freq 27%·Acc 31.8%
#3396Minimum Number of Operations to Make Elements in Array Distinct
Easy·Freq 27%·Acc 71.2%
#3407Substring Matching Pattern
Easy·Freq 27%·Acc 29.0%
#3461Check If Digits Are Equal in String After Operations I
Easy·Freq 27%·Acc 82.5%
+2
#3645Maximum Total from Optimal Activation Order
Medium·Freq 27%·Acc 33.5%
+2
#3637Trionic Array I
Easy·Freq 27%·Acc 49.5%
#3634Minimum Removals to Balance Array
Medium·Freq 27%·Acc 47.9%
+1
#3920Maximize Fixed Points After Deletions
Hard·Freq 27%·Acc 19.7%
#95Unique Binary Search Trees II
Medium·Freq 25%·Acc 62.8%
+2
#144Binary Tree Preorder Traversal
Easy·Freq 25%·Acc 76.2%
+1
#196Delete Duplicate EmailsSQL
Easy·Freq 25%·Acc 66.3%
#263Ugly Number
Easy·Freq 25%·Acc 43.8%
#299Bulls and Cows
Medium·Freq 25%·Acc 52.7%
#315Count of Smaller Numbers After Self
Hard·Freq 25%·Acc 43.8%
+5
#326Power of Three
Easy·Freq 25%·Acc 51.3%
#329Longest Increasing Path in a Matrix
Hard·Freq 25%·Acc 56.8%
+6
#339Nested List Weight Sum
Medium·Freq 25%·Acc 86.0%
#346Moving Average from Data Stream
Easy·Freq 25%·Acc 80.2%
+1
#350Intersection of Two Arrays II
Easy·Freq 25%·Acc 60.1%
+2
#368Largest Divisible Subset
Medium·Freq 25%·Acc 49.9%
+1
#409Longest Palindrome
Easy·Freq 25%·Acc 56.1%
#433Minimum Genetic Mutation
Medium·Freq 25%·Acc 56.9%
+1
#449Serialize and Deserialize BST
Medium·Freq 25%·Acc 59.8%
+4
#452Minimum Number of Arrows to Burst Balloons
Medium·Freq 25%·Acc 61.7%
#529Minesweeper
Medium·Freq 25%·Acc 68.8%
+1
#532K-diff Pairs in an Array
Medium·Freq 25%·Acc 46.1%
+2
#535Encode and Decode TinyURL
Medium·Freq 25%·Acc 86.7%
+1
#538Convert BST to Greater Tree
Medium·Freq 25%·Acc 71.8%
+1
#611Valid Triangle Number
Medium·Freq 25%·Acc 57.0%
+2
#642Design Search Autocomplete System
Hard·Freq 25%·Acc 50.0%
+4
#711Number of Distinct Islands II
Hard·Freq 25%·Acc 55.5%
+5
#716Max Stack
Hard·Freq 25%·Acc 46.0%
+2
#428Serialize and Deserialize N-ary Tree
Hard·Freq 25%·Acc 68.9%
+1
#797All Paths From Source to Target
Medium·Freq 25%·Acc 83.7%
+2
#890Find and Replace Pattern
Medium·Freq 25%·Acc 77.0%
#895Maximum Frequency Stack
Hard·Freq 25%·Acc 66.9%
+1
#899Orderly Queue
Hard·Freq 25%·Acc 67.1%
+1
#934Shortest Bridge
Medium·Freq 25%·Acc 59.6%
+1
#1022Sum of Root To Leaf Binary Numbers
Easy·Freq 25%·Acc 76.6%
#1035Uncrossed Lines
Medium·Freq 25%·Acc 65.4%
#1315Sum of Nodes with Even-Valued Grandparent
Medium·Freq 25%·Acc 86.0%
+1
#1155Number of Dice Rolls With Target Sum
Medium·Freq 25%·Acc 62.5%
#1186Maximum Subarray Sum with One Deletion
Medium·Freq 25%·Acc 48.5%
#1179Reformat Department TableSQL
Easy·Freq 25%·Acc 76.3%
#1211Queries Quality and PercentageSQL
Easy·Freq 25%·Acc 53.8%
#1255Maximum Score Words Formed by Letters
Hard·Freq 25%·Acc 81.5%
+5
#2305Fair Distribution of Cookies
Medium·Freq 25%·Acc 70.0%
+2
#1311Get Watched Videos by Your Friends
Medium·Freq 25%·Acc 53.5%
+2
#1358Number of Substrings Containing All Three Characters
Medium·Freq 25%·Acc 74.4%
#1497Check If Array Pairs Are Divisible by k
Medium·Freq 25%·Acc 46.2%
#1631Path With Minimum Effort
Medium·Freq 25%·Acc 63.6%
+5
#1680Concatenation of Consecutive Binary Numbers
Medium·Freq 25%·Acc 66.7%
#1833Maximum Ice Cream Bars
Medium·Freq 25%·Acc 77.2%
+1
#1910Remove All Occurrences of a Substring
Medium·Freq 25%·Acc 78.6%
#2110Number of Smooth Descent Periods of a Stock
Medium·Freq 25%·Acc 67.7%
+2
#2130Maximum Twin Sum of a Linked List
Medium·Freq 25%·Acc 83.3%
#2145Count the Hidden Sequences
Medium·Freq 25%·Acc 56.7%
#2160Minimum Sum of Four Digit Number After Splitting Digits
Easy·Freq 25%·Acc 86.3%
#2333Minimum Sum of Squared Difference
Medium·Freq 25%·Acc 26.9%
+2
#2405Optimal Partition of String
Medium·Freq 25%·Acc 78.5%
#2471Minimum Number of Operations to Sort a Binary Tree by Level
Medium·Freq 25%·Acc 74.3%
#2801Count Stepping Numbers in Range
Hard·Freq 25%·Acc 29.3%
#3020Find the Maximum Number of Elements in Subset
Medium·Freq 25%·Acc 42.3%
#3075Maximize Happiness of Selected Children
Medium·Freq 25%·Acc 58.7%
#3369Design an Array Statistics Tracker
Hard·Freq 25%·Acc 35.7%
+4
#2193Minimum Number of Moves to Make Palindrome
Hard·Freq 25%·Acc 53.0%
+1
#2226Maximum Candies Allocated to K Children
Medium·Freq 25%·Acc 49.9%
#3572Maximize Y‑Sum by Picking a Triplet of Distinct X‑Values
Medium·Freq 25%·Acc 63.5%
+2
#3806Maximum Bitwise AND After Increment Operations
Hard·Freq 25%·Acc 32.2%
+1
#3863Minimum Operations to Sort a String
Medium·Freq 25%·Acc 19.2%
#3948Lexicographically Maximum MEX Array
Hard·Freq 25%·Acc 57.2%
+1
#3942Minimum Operations to Sort a Permutation
Medium·Freq 25%·Acc 27.6%
#106Construct Binary Tree from Inorder and Postorder Traversal
Medium·Freq 25%·Acc 69.1%
+2
#149Max Points on a Line
Hard·Freq 25%·Acc 31.0%
+3
#171Excel Sheet Column Number
Easy·Freq 25%·Acc 68.0%
#186Reverse Words in a String II
Medium·Freq 25%·Acc 56.8%
#218The Skyline Problem
Hard·Freq 25%·Acc 45.6%
+5
#233Number of Digit One
Hard·Freq 25%·Acc 39.2%
#279Perfect Squares
Medium·Freq 25%·Acc 56.7%
+2
#286Walls and Gates
Medium·Freq 25%·Acc 64.1%
#289Game of Life
Medium·Freq 25%·Acc 72.8%
#290Word Pattern
Easy·Freq 25%·Acc 44.3%
#338Counting Bits
Easy·Freq 25%·Acc 80.7%
#381Insert Delete GetRandom O(1) - Duplicates allowed
Hard·Freq 25%·Acc 36.7%
+2
#504Base 7
Easy·Freq 25%·Acc 54.8%
#2036Maximum Alternating Subarray Sum
Medium·Freq 25%·Acc 40.0%
#541Reverse String II
Easy·Freq 25%·Acc 54.1%
#630Course Schedule III
Hard·Freq 25%·Acc 41.9%
+1
#640Solve the Equation
Medium·Freq 25%·Acc 46.3%
+1
#6502 Keys Keyboard
Medium·Freq 25%·Acc 59.4%
#670Maximum Swap
Medium·Freq 25%·Acc 52.1%
#675Cut Off Trees for Golf Event
Hard·Freq 25%·Acc 36.6%
+1
#738Monotone Increasing Digits
Medium·Freq 25%·Acc 49.9%
#707Design Linked List
Medium·Freq 25%·Acc 30.5%
#980Unique Paths III
Hard·Freq 25%·Acc 82.9%
+2
#1000Minimum Cost to Merge Stones
Hard·Freq 25%·Acc 46.4%
#1062Longest Repeating Substring
Medium·Freq 25%·Acc 63.5%
+5
#1086High Five
Easy·Freq 25%·Acc 74.2%
+1
#1099Two Sum Less Than K
Easy·Freq 25%·Acc 62.1%
+1
#1102Path With Maximum Minimum Value
Medium·Freq 25%·Acc 54.7%
+5
#1054Distant Barcodes
Medium·Freq 25%·Acc 49.2%
+3
#1214Two Sum BSTs
Medium·Freq 25%·Acc 68.2%
+4
#550Game Play Analysis IVSQL
Medium·Freq 25%·Acc 41.7%
#1094Car Pooling
Medium·Freq 25%·Acc 56.4%
+2
#1146Snapshot Array
Medium·Freq 25%·Acc 36.8%
+2
#1233Remove Sub-Folders from the Filesystem
Medium·Freq 25%·Acc 78.6%
+1
#1305All Elements in Two Binary Search Trees
Medium·Freq 25%·Acc 80.3%
+2
#1332Remove Palindromic Subsequences
Easy·Freq 25%·Acc 77.1%
#1335Minimum Difficulty of a Job Schedule
Hard·Freq 25%·Acc 59.8%
#1337The K Weakest Rows in a Matrix
Easy·Freq 25%·Acc 74.4%
+2
#1341Movie RatingSQL
Medium·Freq 25%·Acc 43.8%
#1466Reorder Routes to Make All Paths Lead to the City Zero
Medium·Freq 25%·Acc 66.0%
#1498Number of Subsequences That Satisfy the Given Sum Condition
Medium·Freq 25%·Acc 49.1%
+1
#1658Minimum Operations to Reduce X to Zero
Medium·Freq 25%·Acc 40.7%
+2
#1750Minimum Length of String After Deleting Similar Ends
Medium·Freq 25%·Acc 56.2%
#1731The Number of Employees Which Report to Each EmployeeSQL
Easy·Freq 25%·Acc 53.5%
#1740Find Distance in a Binary Tree
Medium·Freq 25%·Acc 74.4%
+4
#1842Next Palindrome Using Same Digits
Hard·Freq 25%·Acc 54.3%
#1901Find a Peak Element II
Medium·Freq 25%·Acc 55.3%
#1923Longest Common Subpath
Hard·Freq 25%·Acc 30.0%
+4
#1930Unique Length-3 Palindromic Subsequences
Medium·Freq 25%·Acc 73.8%
+1
#2307Check for Contradictions in Equations
Hard·Freq 25%·Acc 44.0%
+2
#2028Find Missing Observations
Medium·Freq 25%·Acc 57.4%
#2064Minimized Maximum of Products Distributed to Any Store
Medium·Freq 25%·Acc 63.2%
#2125Number of Laser Beams in a Bank
Medium·Freq 25%·Acc 87.0%
+1
#2207Maximize Number of Subsequences in a String
Medium·Freq 25%·Acc 36.2%
#2261K Divisible Elements Subarrays
Medium·Freq 25%·Acc 55.1%
+3
#2256Minimum Average Difference
Medium·Freq 25%·Acc 44.0%
#2266Count Number of Texts
Medium·Freq 25%·Acc 50.4%
+1
#2274Maximum Consecutive Floors Without Special Floors
Medium·Freq 25%·Acc 52.8%
#2279Maximum Bags With Full Capacity of Rocks
Medium·Freq 25%·Acc 68.2%
#2296Design a Text Editor
Hard·Freq 25%·Acc 51.1%
+3
#2353Design a Food Rating System
Medium·Freq 25%·Acc 52.9%
+3
#2324Product Sales Analysis IVSQL
Medium·Freq 25%·Acc 75.9%
#2340Minimum Adjacent Swaps to Make a Valid Array
Medium·Freq 25%·Acc 72.3%
#2410Maximum Matching of Players With Trainers
Medium·Freq 25%·Acc 75.4%
+1
#2411Smallest Subarrays With Maximum Bitwise OR
Medium·Freq 25%·Acc 61.9%
+1
#2487Remove Nodes From Linked List
Medium·Freq 25%·Acc 75.0%
+1
#2578Split With Minimum Sum
Easy·Freq 25%·Acc 73.8%
#2657Find the Prefix Common Array of Two Arrays
Medium·Freq 25%·Acc 88.3%
#2704To Be Or Not To Be
Easy·Freq 25%·Acc 63.4%
#2781Length of the Longest Valid Substring
Hard·Freq 25%·Acc 38.6%
+1
#2830Maximize the Profit as the Salesman
Medium·Freq 25%·Acc 38.5%
+2
#2870Minimum Number of Operations to Make Array Empty
Medium·Freq 25%·Acc 62.2%
+1
#2947Count Beautiful Substrings I
Medium·Freq 25%·Acc 61.5%
+3
#3092Most Frequent IDs
Medium·Freq 25%·Acc 43.2%
+1
#3211Generate Binary Strings Without Adjacent Zeros
Medium·Freq 25%·Acc 88.5%
#1633Percentage of Users Attended a ContestSQL
Easy·Freq 25%·Acc 60.6%
#1975Maximum Matrix Sum
Medium·Freq 25%·Acc 67.5%
#2054Two Best Non-Overlapping Events
Medium·Freq 25%·Acc 64.0%
+2
#769Max Chunks To Make Sorted
Medium·Freq 25%·Acc 64.2%
+2
#3455Shortest Matching Substring
Hard·Freq 25%·Acc 24.6%
+1
#3605Minimum Stability Factor of Array
Hard·Freq 25%·Acc 20.8%
+3
#3640Trionic Array II
Hard·Freq 25%·Acc 47.3%
#1488Avoid Flood in The City
Medium·Freq 25%·Acc 39.0%
+2
#3814Maximum Capacity Within Budget
Medium·Freq 25%·Acc 20.6%
+1
#3927Minimize Array Sum Using Divisible Replacements
Medium·Freq 25%·Acc 32.2%
+2
#87Scramble String
Hard·Freq 25%·Acc 45.0%
#109Convert Sorted List to Binary Search Tree
Medium·Freq 25%·Acc 66.9%
+2
#257Binary Tree Paths
Easy·Freq 25%·Acc 69.0%
+2
#271Encode and Decode Strings
Medium·Freq 25%·Acc 51.7%
#304Range Sum Query 2D - Immutable
Medium·Freq 25%·Acc 58.6%
+1
#310Minimum Height Trees
Medium·Freq 25%·Acc 42.6%
+1
#367Valid Perfect Square
Easy·Freq 25%·Acc 45.1%
#408Valid Word Abbreviation
Easy·Freq 25%·Acc 37.0%
#553Optimal Division
Medium·Freq 25%·Acc 63.3%
#594Longest Harmonious Subsequence
Easy·Freq 25%·Acc 64.8%
+2
#606Construct String from Binary Tree
Medium·Freq 25%·Acc 70.8%
+1
#801Minimum Swaps To Make Sequences Increasing
Hard·Freq 25%·Acc 41.8%
#842Split Array into Fibonacci Sequence
Medium·Freq 25%·Acc 40.5%
#867Transpose Matrix
Easy·Freq 25%·Acc 76.7%
#957Prison Cells After N Days
Medium·Freq 25%·Acc 39.2%
+2
#979Distribute Coins in Binary Tree
Medium·Freq 25%·Acc 77.3%
+1
#1060Missing Element in Sorted Array
Medium·Freq 25%·Acc 59.7%
#1160Find Words That Can Be Formed by Characters
Easy·Freq 25%·Acc 71.7%
+1
#1080Insufficient Nodes in Root to Leaf Paths
Medium·Freq 25%·Acc 55.4%
#1095Find in Mountain Array
Hard·Freq 25%·Acc 41.9%
+1
#1106Parsing A Boolean Expression
Hard·Freq 25%·Acc 69.8%
#1259Handshakes That Don't Cross
Hard·Freq 25%·Acc 61.5%
#1362Closest Divisors
Medium·Freq 25%·Acc 62.4%
#1260Shift 2D Grid
Easy·Freq 25%·Acc 68.1%
#1325Delete Leaves With a Given Value
Medium·Freq 25%·Acc 77.2%
#1326Minimum Number of Taps to Open to Water a Garden
Hard·Freq 25%·Acc 51.0%
#1321Restaurant GrowthSQL
Medium·Freq 25%·Acc 59.2%
#1392Longest Happy Prefix
Hard·Freq 25%·Acc 53.6%
+3
#1404Number of Steps to Reduce a Number in Binary Representation to One
Medium·Freq 25%·Acc 63.7%
#1408String Matching in an Array
Easy·Freq 25%·Acc 69.8%
#1421NPV QueriesSQL
Easy·Freq 25%·Acc 82.9%
#1479Sales by Day of the WeekSQL
Hard·Freq 25%·Acc 76.3%
#1512Number of Good Pairs
Easy·Freq 25%·Acc 89.9%
+1
#1520Maximum Number of Non-Overlapping Substrings
Hard·Freq 25%·Acc 43.2%
+1
#1511Customer Order FrequencySQL
Easy·Freq 25%·Acc 66.5%
#1533Find the Index of the Large Integer
Medium·Freq 25%·Acc 56.6%
#1601Maximum Number of Achievable Transfer Requests
Hard·Freq 25%·Acc 64.8%
+1
#1652Defuse the Bomb
Easy·Freq 25%·Acc 79.4%
#1764Form Array by Concatenating Subarrays of Another Array
Medium·Freq 25%·Acc 55.0%
+2
#1847Closest Room
Hard·Freq 25%·Acc 41.5%
+1
#1958Check if Move is Legal
Medium·Freq 25%·Acc 50.2%
#2012Sum of Beauty in the Array
Medium·Freq 25%·Acc 51.7%
#2075Decode the Slanted Ciphertext
Medium·Freq 25%·Acc 67.6%
#2100Find Good Days to Rob the Bank
Medium·Freq 25%·Acc 51.9%
#2109Adding Spaces to a String
Medium·Freq 25%·Acc 71.9%
+1
#2197Replace Non-Coprime Numbers in Array
Hard·Freq 25%·Acc 57.6%
+3
#2295Replace Elements in an Array
Medium·Freq 25%·Acc 59.9%
#2322Minimum Score After Removals on a Tree
Hard·Freq 25%·Acc 76.1%
+1
#2268Minimum Number of Keypresses
Medium·Freq 25%·Acc 71.5%
+2
#2323Find Minimum Time to Finish All Jobs II
Medium·Freq 25%·Acc 66.1%
#2408Design SQL
Medium·Freq 25%·Acc 64.0%
+1
#2465Number of Distinct Averages
Easy·Freq 25%·Acc 59.1%
+1
#2486Append Characters to String to Make Subsequence
Medium·Freq 25%·Acc 73.1%
#2497Maximum Star Sum of a Graph
Medium·Freq 25%·Acc 42.5%
+2
#2482Difference Between Ones and Zeros in Row and Column
Medium·Freq 25%·Acc 84.5%
#2474Customers With Strictly Increasing PurchasesSQL
Hard·Freq 25%·Acc 50.4%
#2534Time Taken to Cross the Door
Hard·Freq 25%·Acc 50.4%
#2606Find the Substring With Maximum Cost
Medium·Freq 25%·Acc 58.3%
+1
#2563Count the Number of Fair Pairs
Medium·Freq 25%·Acc 52.6%
+1
#2575Find the Divisibility Array of a String
Medium·Freq 25%·Acc 36.7%
#2917Find the K-or of an Array
Easy·Freq 25%·Acc 73.0%
#2945Find Maximum Non-decreasing Array Length
Hard·Freq 25%·Acc 19.1%
+5
#2973Find Number of Coins to Place in Tree Nodes
Hard·Freq 25%·Acc 37.7%
+3
#3005Count Elements With Maximum Frequency
Easy·Freq 25%·Acc 79.8%
#3081Replace Question Marks in String to Minimize Its Value
Medium·Freq 25%·Acc 29.4%
+3
#3134Find the Median of the Uniqueness Array
Hard·Freq 25%·Acc 30.5%
+1
#3154Find Number of Ways to Reach the K-th Stair
Hard·Freq 25%·Acc 38.0%
+2
#840Magic Squares In Grid
Medium·Freq 25%·Acc 55.2%
+1
#2938Separate Black and White Balls
Medium·Freq 25%·Acc 63.9%
#2348Number of Zero-Filled Subarrays
Medium·Freq 25%·Acc 70.1%
#1267Count Servers that Communicate
Medium·Freq 25%·Acc 73.5%
+3
#1475Final Prices With a Special Discount in a Shop
Easy·Freq 25%·Acc 84.2%
#2560House Robber IV
Medium·Freq 25%·Acc 64.6%
+1
#1848Minimum Distance to the Target Element
Easy·Freq 25%·Acc 64.4%
#3234Count the Number of Substrings With Dominant Ones
Medium·Freq 25%·Acc 42.0%
#3304Find the K-th Character in String Game I
Easy·Freq 25%·Acc 81.5%
+1
#3639Minimum Time to Activate String
Medium·Freq 25%·Acc 49.3%
#3627Maximum Median Sum of Subsequences of Size 3
Medium·Freq 25%·Acc 65.1%
+2
#2910Minimum Number of Groups to Create a Valid Assignment
Medium·Freq 25%·Acc 25.4%
#3786Total Sum of Interaction Cost in Tree Groups
Hard·Freq 25%·Acc 54.4%
#3922Minimum Flips to Make Binary String Coherent
Medium·Freq 25%·Acc 20.0%
#82Remove Duplicates from Sorted List II
Medium·Freq 25%·Acc 52.1%
#111Minimum Depth of Binary Tree
Easy·Freq 25%·Acc 53.3%
+1
#145Binary Tree Postorder Traversal
Easy·Freq 25%·Acc 78.5%
+1
#172Factorial Trailing Zeroes
Medium·Freq 25%·Acc 47.0%
#262Trips and UsersSQL
Hard·Freq 25%·Acc 38.6%
#342Power of Four
Easy·Freq 25%·Acc 52.3%
#463Island Perimeter
Easy·Freq 25%·Acc 74.5%
+1
#536Construct Binary Tree from String
Medium·Freq 25%·Acc 58.7%
+2
#537Complex Number Multiplication
Medium·Freq 25%·Acc 73.6%
#579Find Cumulative Salary of an EmployeeSQL
Hard·Freq 25%·Acc 49.6%
#633Sum of Square Numbers
Medium·Freq 25%·Acc 36.9%
#652Find Duplicate Subtrees
Medium·Freq 25%·Acc 60.8%
+1
#663Equal Tree Partition
Medium·Freq 25%·Acc 42.3%
#719Find K-th Smallest Pair Distance
Hard·Freq 25%·Acc 46.7%
+1
#742Closest Leaf in a Binary Tree
Medium·Freq 25%·Acc 47.5%
+1
#762Prime Number of Set Bits in Binary Representation
Easy·Freq 25%·Acc 78.9%
#700Search in a Binary Search Tree
Easy·Freq 25%·Acc 82.9%
#772Basic Calculator III
Hard·Freq 25%·Acc 53.4%
+1
#775Global and Local Inversions
Medium·Freq 25%·Acc 42.9%
#776Split BST
Medium·Freq 25%·Acc 82.2%
+1
#843Guess the Word
Hard·Freq 25%·Acc 36.7%
+3
#878Nth Magical Number
Hard·Freq 25%·Acc 36.9%
+1
#902Numbers At Most N Given Digit Set
Hard·Freq 25%·Acc 45.6%
+2
#1010Pairs of Songs With Total Durations Divisible by 60
Medium·Freq 25%·Acc 53.5%
#1067Digit Count in Range
Hard·Freq 25%·Acc 46.5%
#1065Index Pairs of a String
Easy·Freq 25%·Acc 68.7%
+2
#1085Sum of Digits in the Minimum Number
Easy·Freq 25%·Acc 76.7%
#1100Find K-Length Substrings With No Repeated Characters
Medium·Freq 25%·Acc 76.5%
#1118Number of Days in a Month
Easy·Freq 25%·Acc 59.4%
#1119Remove Vowels from a String
Easy·Freq 25%·Acc 91.3%
#1134Armstrong Number
Easy·Freq 25%·Acc 77.8%
#1120Maximum Average Subtree
Medium·Freq 25%·Acc 67.0%
#1133Largest Unique Number
Easy·Freq 25%·Acc 71.3%
#1135Connecting Cities With Minimum Cost
Medium·Freq 25%·Acc 63.6%
+1
#1167Minimum Cost to Connect Sticks
Medium·Freq 25%·Acc 72.0%
#1074Number of Submatrices That Sum to Target
Hard·Freq 25%·Acc 74.6%
+1
#1069Product Sales Analysis IISQL
Easy·Freq 25%·Acc 82.7%
#1082Sales Analysis ISQL
Easy·Freq 25%·Acc 74.8%
#1083Sales Analysis IISQL
Easy·Freq 25%·Acc 50.1%
#1137N-th Tribonacci Number
Easy·Freq 25%·Acc 63.1%
#1363Largest Multiple of Three
Hard·Freq 25%·Acc 33.4%
+2
#1175Prime Arrangements
Easy·Freq 25%·Acc 61.6%
+1
#1176Diet Plan Performance
Easy·Freq 25%·Acc 56.1%
#1954Minimum Garden Perimeter to Collect Enough Apples
Medium·Freq 25%·Acc 55.9%
#1944Number of Visible People in a Queue
Hard·Freq 25%·Acc 73.3%
#1304Find N Unique Integers Sum up to Zero
Easy·Freq 25%·Acc 78.4%
#1303Find the Team SizeSQL
Easy·Freq 25%·Acc 89.5%
#1350Students With Invalid DepartmentsSQL
Easy·Freq 25%·Acc 89.7%
#1395Count Number of Teams
Medium·Freq 25%·Acc 70.2%
+1
#1409Queries on a Permutation With Key
Medium·Freq 25%·Acc 84.9%
+1
#1457Pseudo-Palindromic Paths in a Binary Tree
Medium·Freq 25%·Acc 68.4%
+2
#1458Max Dot Product of Two Subsequences
Hard·Freq 25%·Acc 69.4%
#1493Longest Subarray of 1's After Deleting One Element
Medium·Freq 25%·Acc 71.3%
#1489Find Critical and Pseudo-Critical Edges in Minimum Spanning Tree
Hard·Freq 25%·Acc 66.6%
+5
#1490Clone N-ary Tree
Medium·Freq 25%·Acc 83.2%
+1
#1495Friendly Movies Streamed Last MonthSQL
Easy·Freq 25%·Acc 48.9%
#1558Minimum Numbers of Function Calls to Make Target Array
Medium·Freq 25%·Acc 62.8%
#1571Warehouse ManagerSQL
Easy·Freq 25%·Acc 87.2%
#1621Number of Sets of K Non-Overlapping Line Segments
Medium·Freq 25%·Acc 46.1%
+1
#1597Build Binary Expression Tree From Infix Expression
Hard·Freq 25%·Acc 62.9%
+1
#1613Find the Missing IDsSQL
Medium·Freq 25%·Acc 72.9%
#1623All Valid Triplets That Can Represent a CountrySQL
Easy·Freq 25%·Acc 80.9%
#1670Design Front Middle Back Queue
Medium·Freq 25%·Acc 58.3%
+3
#1634Add Two Polynomials Represented as Linked Lists
Medium·Freq 25%·Acc 61.1%
#1734Decode XORed Permutation
Medium·Freq 25%·Acc 67.2%
#1735Count Ways to Make Array With Product
Hard·Freq 25%·Acc 55.3%
+4
#1699Number of Calls Between Two PersonsSQL
Medium·Freq 25%·Acc 80.8%
#1761Minimum Degree of a Connected Trio in a Graph
Hard·Freq 25%·Acc 44.6%
#1779Find Nearest Point That Has the Same X or Y Coordinate
Easy·Freq 25%·Acc 70.1%
#1782Count Pairs Of Nodes
Hard·Freq 25%·Acc 42.9%
+4
#1741Find Total Time Spent by Each EmployeeSQL
Easy·Freq 25%·Acc 86.4%
#1772Sort Features by Popularity
Medium·Freq 25%·Acc 66.6%
+1
#1777Product's Price for Each StoreSQL
Easy·Freq 25%·Acc 82.1%
#1783Grand Slam TitlesSQL
Medium·Freq 25%·Acc 83.0%
#1788Maximize the Beauty of the Garden
Hard·Freq 25%·Acc 65.0%
+1
#1795Rearrange Products TableSQL
Easy·Freq 25%·Acc 85.5%
#1809Ad-Free SessionsSQL
Easy·Freq 25%·Acc 59.1%
#1811Find Interview CandidatesSQL
Medium·Freq 25%·Acc 60.7%
#1852Distinct Numbers in Each Subarray
Medium·Freq 25%·Acc 77.4%
#1889Minimum Space Wasted From Packaging
Hard·Freq 25%·Acc 33.7%
+1
#1926Nearest Exit from Entrance in Maze
Medium·Freq 25%·Acc 48.8%
#2297Jump Game VIII
Medium·Freq 25%·Acc 45.9%
+3
#1950Maximum of Minimum Values in All Subarrays
Medium·Freq 25%·Acc 48.2%
+1
#1955Count Number of Special Subsequences
Hard·Freq 25%·Acc 53.1%
#1976Number of Ways to Arrive at Destination
Medium·Freq 25%·Acc 37.6%
+2
#1981Minimize the Difference Between Target and Chosen Elements
Medium·Freq 25%·Acc 37.1%
#1984Minimum Difference Between Highest and Lowest of K Scores
Easy·Freq 25%·Acc 66.4%
#2053Kth Distinct String in an Array
Easy·Freq 25%·Acc 82.2%
+1
#2102Sequentially Ordinal Rank Tracker
Hard·Freq 25%·Acc 61.5%
+1
#2111Minimum Operations to Make the Array K-Increasing
Hard·Freq 25%·Acc 40.8%
#2134Minimum Swaps to Group All 1's Together II
Medium·Freq 25%·Acc 65.7%
#2123Minimum Operations to Remove Adjacent Ones in Matrix
Hard·Freq 25%·Acc 43.6%
+6
#2195Append K Integers With Minimal Sum
Medium·Freq 25%·Acc 27.1%
+1
#2173Longest Winning StreakSQL
Hard·Freq 25%·Acc 54.5%
#2223Sum of Scores of Built Strings
Hard·Freq 25%·Acc 49.9%
+5
#2219Maximum Sum Score of Array
Medium·Freq 25%·Acc 62.8%
#2228Users With Two Purchases Within Seven DaysSQL
Medium·Freq 25%·Acc 47.0%
#2287Rearrange Characters to Make Target String
Easy·Freq 25%·Acc 63.1%
#2238Number of Times a Driver Was a PassengerSQL
Medium·Freq 25%·Acc 71.8%
#2300Successful Pairs of Spells and Potions
Medium·Freq 25%·Acc 49.7%
+1
#2292Products With Three or More Orders in Two Consecutive YearsSQL
Medium·Freq 25%·Acc 40.8%
#2364Count Number of Bad Pairs
Medium·Freq 25%·Acc 54.1%
+1
#2329Product Sales Analysis VSQL
Easy·Freq 25%·Acc 70.9%
#2380Time Needed to Rearrange a Binary String
Medium·Freq 25%·Acc 53.4%
#2330Valid Palindrome IV
Medium·Freq 25%·Acc 75.6%
#2412Minimum Money Required Before Transactions
Hard·Freq 25%·Acc 42.2%
#2394Employees With DeductionsSQL
Medium·Freq 25%·Acc 42.9%
#2443Sum of Number and Its Reverse
Medium·Freq 25%·Acc 49.9%
#2422Merge Operations to Turn Array Into a Palindrome
Medium·Freq 25%·Acc 68.9%
#2485Find the Pivot Integer
Easy·Freq 25%·Acc 83.8%
#2501Longest Square Streak in an Array
Medium·Freq 25%·Acc 53.1%
+2
#2527Find Xor-Beauty of Array
Medium·Freq 25%·Acc 71.1%
#2519Count the Number of K-Big Indices
Hard·Freq 25%·Acc 53.7%
+4
#2620Counter
Easy·Freq 25%·Acc 82.4%
#2638Count the Number of K-Free Subsets
Medium·Freq 25%·Acc 47.3%
+2
#2634Filter Elements from Array
Easy·Freq 25%·Acc 85.5%
#2703Return Length of Arguments Passed
Easy·Freq 25%·Acc 94.5%
#2766Relocate Marbles
Medium·Freq 25%·Acc 51.7%
+1
#2762Continuous Subarrays
Medium·Freq 25%·Acc 58.0%
+3
#2816Double a Number Represented as a Linked List
Medium·Freq 25%·Acc 61.3%
#2841Maximum Sum of Almost Unique Subarray
Medium·Freq 25%·Acc 41.4%
#2782Number of Unique Categories
Medium·Freq 25%·Acc 84.0%
#2855Minimum Right Shifts to Sort the Array
Easy·Freq 25%·Acc 57.6%
#2832Maximal Range That Each Element Is Maximum in It
Medium·Freq 25%·Acc 75.3%
#2916Subarrays Distinct Element Sum of Squares II
Hard·Freq 25%·Acc 23.5%
+1
#2898Maximum Linear Stock Score
Medium·Freq 25%·Acc 61.8%
#2926Maximum Balanced Subsequence Sum
Hard·Freq 25%·Acc 26.2%
+2
#2928Distribute Candies Among Children I
Easy·Freq 25%·Acc 76.6%
#2937Make Three Strings Equal
Easy·Freq 25%·Acc 45.2%
#2949Count Beautiful Substrings II
Hard·Freq 25%·Acc 27.8%
+2
#2927Distribute Candies Among Children III
Hard·Freq 25%·Acc 57.2%
#3032Count Numbers With Unique Digits II
Easy·Freq 25%·Acc 87.2%
#3113Find the Number of Subarrays Where Boundary Elements Are Maximum
Hard·Freq 25%·Acc 33.7%
+1
#3121Count the Number of Special Characters II
Medium·Freq 25%·Acc 60.4%
#3194Minimum Average of Smallest and Largest Elements
Easy·Freq 25%·Acc 85.5%
#3199Count Triplets with Even XOR Set Bits I
Easy·Freq 25%·Acc 82.9%
#3215Count Triplets with Even XOR Set Bits II
Medium·Freq 25%·Acc 61.8%
#3043Find the Length of the Longest Common Prefix
Medium·Freq 25%·Acc 62.3%
+1
#1049Last Stone Weight II
Medium·Freq 25%·Acc 60.2%
+1
#2050Parallel Courses III
Hard·Freq 25%·Acc 66.8%
+2
#1462Course Schedule IV
Medium·Freq 25%·Acc 60.0%
+1
#3174Clear Digits
Easy·Freq 25%·Acc 82.8%
#3453Separate Squares I
Medium·Freq 25%·Acc 58.0%
#3170Lexicographically Minimum String After Removing Stars
Medium·Freq 25%·Acc 51.0%
+2
#3392Count Subarrays of Length Three With a Condition
Easy·Freq 25%·Acc 61.4%
#3201Find the Maximum Length of Valid Subsequence I
Medium·Freq 25%·Acc 54.9%
#808Soup Servings
Medium·Freq 25%·Acc 59.6%
#3636Threshold Majority Queries
Hard·Freq 25%·Acc 22.4%
+3
#837New 21 Game
Medium·Freq 25%·Acc 51.9%
+1
#3197Find the Minimum Area to Cover All Ones II
Hard·Freq 25%·Acc 63.5%
#3648Minimum Sensors to Cover Grid
Medium·Freq 25%·Acc 68.8%
#3730Maximum Calories Burnt from Jumps
Medium·Freq 25%·Acc 72.0%
+1
#3767Maximize Points After Choosing K Tasks
Medium·Freq 25%·Acc 60.3%
+1
#3781Maximum Score After Binary Swaps
Medium·Freq 25%·Acc 35.4%
+1
#3794Reverse String Prefix
Easy·Freq 25%·Acc 89.5%
#3864Minimum Cost to Partition a Binary String
Hard·Freq 25%·Acc 52.6%
#3952Maximum Total Value of Covered Indices
Medium·Freq 25%·Acc 28.2%
+1
#3976Maximum Subarray Sum After Multiplier
Medium·Freq 25%·Acc 25.7%
#264Ugly Number II
Medium·Freq 25%·Acc 49.7%
+1
#390Elimination Game
Medium·Freq 25%·Acc 46.3%
#445Add Two Numbers II
Medium·Freq 25%·Acc 62.8%
#997Find the Town Judge
Easy·Freq 25%·Acc 50.9%
#1405Longest Happy String
Medium·Freq 25%·Acc 65.5%
#1249Minimum Remove to Make Valid Parentheses
Medium·Freq 25%·Acc 71.5%
#2215Find the Difference of Two Arrays
Easy·Freq 25%·Acc 81.5%
#1275Find Winner on a Tic Tac Toe Game
Easy·Freq 25%·Acc 54.7%
+1
#2196Create Binary Tree From Descriptions
Medium·Freq 25%·Acc 83.9%
+1
#2477Minimum Fuel Cost to Report to the Capital
Medium·Freq 25%·Acc 65.4%
+1
#3217Delete Nodes From Linked List Present in Array
Medium·Freq 25%·Acc 69.4%
#1636Sort Array by Increasing Frequency
Easy·Freq 25%·Acc 80.9%
#2952Minimum Number of Coins to be Added
Medium·Freq 25%·Acc 58.4%
#1052Grumpy Bookstore Owner
Medium·Freq 22%·Acc 64.1%
#1346Check If N and Its Double Exist
Easy·Freq 22%·Acc 41.9%
+2
#1464Maximum Product of Two Elements in an Array
Easy·Freq 22%·Acc 83.6%
#2958Length of Longest Subarray With at Most K Frequency
Medium·Freq 22%·Acc 56.7%
#1331Rank Transform of an Array
Easy·Freq 22%·Acc 72.6%
#117Populating Next Right Pointers in Each Node II
Medium·Freq 20%·Acc 57.8%
+2
#327Count of Range Sum
Hard·Freq 20%·Acc 39.3%
+5
#377Combination Sum IV
Medium·Freq 20%·Acc 55.2%
#480Sliding Window Median
Hard·Freq 20%·Acc 39.0%
+2
#726Number of Atoms
Hard·Freq 20%·Acc 65.2%
+1
#849Maximize Distance to Closest Person
Medium·Freq 20%·Acc 49.9%
#1025Divisor Game
Easy·Freq 20%·Acc 72.1%
+2
#1140Stone Game II
Medium·Freq 20%·Acc 72.8%
+4
#1248Count Number of Nice Subarrays
Medium·Freq 20%·Acc 75.4%
+2
#1295Find Numbers with Even Number of Digits
Easy·Freq 20%·Acc 79.9%
#1526Minimum Number of Increments on Subarrays to Form a Target Array
Hard·Freq 20%·Acc 78.2%
+2
#1572Matrix Diagonal Sum
Easy·Freq 20%·Acc 84.4%
#1760Minimum Limit of Balls in a Bag
Medium·Freq 20%·Acc 66.1%
#2095Delete the Middle Node of a Linked List
Medium·Freq 20%·Acc 60.9%
#1789Primary Department for Each EmployeeSQL
Easy·Freq 20%·Acc 74.8%
#1383Maximum Performance of a Team
Hard·Freq 20%·Acc 47.8%
+1
#147Insertion Sort List
Medium·Freq 20%·Acc 59.6%
#1667Fix Names in a TableSQL
Easy·Freq 20%·Acc 60.6%
#3480Maximize Subarrays After Removing One Conflicting Pair
Hard·Freq 20%·Acc 64.5%
+1
#164Maximum Gap
Medium·Freq 18%·Acc 52.5%
+2
#193Valid Phone Numbers
Easy·Freq 18%·Acc 30.1%
#309Best Time to Buy and Sell Stock with Cooldown
Medium·Freq 18%·Acc 62.4%
#340Longest Substring with At Most K Distinct Characters
Medium·Freq 18%·Acc 50.1%
#404Sum of Left Leaves
Easy·Freq 18%·Acc 62.9%
+1
#464Can I Win
Medium·Freq 18%·Acc 31.5%
+3
#507Perfect Number
Easy·Freq 18%·Acc 49.3%
#515Find Largest Value in Each Tree Row
Medium·Freq 18%·Acc 66.3%
+1
#539Minimum Time Difference
Medium·Freq 18%·Acc 62.6%
+1
#564Find the Closest Palindrome
Hard·Freq 18%·Acc 32.0%
#601Human Traffic of StadiumSQL
Hard·Freq 18%·Acc 51.6%
#620Not Boring MoviesSQL
Easy·Freq 18%·Acc 75.1%
#669Trim a Binary Search Tree
Medium·Freq 18%·Acc 66.8%
+1
#779K-th Symbol in Grammar
Medium·Freq 18%·Acc 48.5%
#846Hand of Straights
Medium·Freq 18%·Acc 58.2%
+1
#857Minimum Cost to Hire K Workers
Hard·Freq 18%·Acc 63.7%
+1
#869Reordered Power of 2
Medium·Freq 18%·Acc 65.9%
+2
#874Walking Robot Simulation
Medium·Freq 18%·Acc 64.6%
#905Sort Array By Parity
Easy·Freq 18%·Acc 76.6%
#941Valid Mountain Array
Easy·Freq 18%·Acc 35.4%
#1019Next Greater Node In Linked List
Medium·Freq 18%·Acc 64.5%
+1
#1162As Far from Land as Possible
Medium·Freq 18%·Acc 52.4%
+1
#1041Robot Bounded In Circle
Medium·Freq 18%·Acc 56.6%
#511Game Play Analysis ISQL
Easy·Freq 18%·Acc 76.5%
#1339Maximum Product of Splitted Binary Tree
Medium·Freq 18%·Acc 55.8%
#1463Cherry Pickup II
Hard·Freq 18%·Acc 72.5%
#1762Buildings With an Ocean View
Medium·Freq 18%·Acc 80.9%
#1823Find the Winner of the Circular Game
Medium·Freq 18%·Acc 82.3%
+2
#2101Detonate the Maximum Bombs
Medium·Freq 18%·Acc 50.3%
+3
#2401Longest Nice Subarray
Medium·Freq 18%·Acc 64.8%
#2413Smallest Even Multiple
Easy·Freq 18%·Acc 88.4%
#2460Apply Operations to an Array
Easy·Freq 18%·Acc 74.7%
#2616Minimize the Maximum Difference of Pairs
Medium·Freq 18%·Acc 51.0%
+2
#2769Find the Maximum Achievable Number
Easy·Freq 18%·Acc 91.4%
#400Nth Digit
Medium·Freq 18%·Acc 38.5%
#1625Lexicographically Smallest String After Applying Operations
Medium·Freq 18%·Acc 79.3%
+1
#3163String Compression III
Medium·Freq 18%·Acc 67.1%
#2070Most Beautiful Item for Each Query
Medium·Freq 18%·Acc 62.0%
#1343Number of Sub-arrays of Size K and Average Greater than or Equal to Threshold
Medium·Freq 18%·Acc 73.4%
#1871Jump Game VII
Medium·Freq 18%·Acc 35.6%
+1
#1139Largest 1-Bordered Square
Medium·Freq 18%·Acc 52.3%
#761Special Binary String
Hard·Freq 18%·Acc 79.4%
#292Nim Game
Easy·Freq 18%·Acc 60.1%
+3
#2559Count Vowel Strings in Ranges
Medium·Freq 18%·Acc 67.9%
#1765Map of Highest Peak
Medium·Freq 18%·Acc 76.0%
#1609Even Odd Tree
Medium·Freq 18%·Acc 67.2%
#1749Maximum Absolute Sum of Any Subarray
Medium·Freq 18%·Acc 70.9%
#657Robot Return to Origin
Easy·Freq 18%·Acc 78.2%
#1559Detect Cycles in 2D Grid
Medium·Freq 18%·Acc 63.4%
+2
#886Possible Bipartition
Medium·Freq 18%·Acc 52.8%
+3
#1262Greatest Sum Divisible by Three
Medium·Freq 18%·Acc 57.0%
+1
#3483Unique 3-Digit Even Numbers
Easy·Freq 18%·Acc 70.1%
+1
#2071Maximum Number of Tasks You Can Assign
Hard·Freq 18%·Acc 50.0%
+4
#2918Minimum Equal Sum of Two Arrays After Replacing Zeros
Medium·Freq 18%·Acc 50.2%
#3335Total Characters in String After Transformations I
Medium·Freq 18%·Acc 45.6%
+2
#1061Lexicographically Smallest Equivalent String
Medium·Freq 18%·Acc 81.1%
#2200Find All K-Distant Indices in an Array
Easy·Freq 18%·Acc 77.2%
#2040Kth Smallest Product of Two Sorted Arrays
Hard·Freq 18%·Acc 48.7%
#1928Minimum Cost to Reach Destination in Time
Hard·Freq 18%·Acc 41.9%
+1
#3439Reschedule Meetings for Maximum Free Time I
Medium·Freq 18%·Acc 54.0%
#741Cherry Pickup
Hard·Freq 18%·Acc 39.9%
#3477Fruits Into Baskets II
Easy·Freq 18%·Acc 70.3%
+2
#1861Rotating the Box
Medium·Freq 18%·Acc 82.5%
#966Vowel Spellchecker
Medium·Freq 18%·Acc 61.4%
#3408Design Task Manager
Medium·Freq 18%·Acc 48.9%
+1
#3720Lexicographically Smallest Permutation Greater Than Target
Medium·Freq 18%·Acc 26.9%
+2
#3379Transformed Array
Easy·Freq 18%·Acc 70.6%
#3713Longest Balanced Substring I
Medium·Freq 18%·Acc 69.7%
+1
#799Champagne Tower
Medium·Freq 18%·Acc 64.1%
#1665Minimum Initial Energy to Finish Tasks
Hard·Freq 18%·Acc 76.5%
#3751Total Waviness of Numbers in Range I
Medium·Freq 18%·Acc 87.5%
#3699Number of ZigZag Arrays I
Hard·Freq 18%·Acc 50.5%
#3499Maximize Active Section with Trade I
Medium·Freq 18%·Acc 0.6%
#166Fraction to Recurring Decimal
Medium·Freq 16%·Acc 31.1%
#201Bitwise AND of Numbers Range
Medium·Freq 16%·Acc 49.1%
#222Count Complete Tree Nodes
Medium·Freq 16%·Acc 73.1%
+1
#243Shortest Word Distance
Easy·Freq 16%·Acc 66.4%
#301Remove Invalid Parentheses
Hard·Freq 16%·Acc 50.0%
#317Shortest Distance from All Buildings
Hard·Freq 16%·Acc 45.0%
#374Guess Number Higher or Lower
Easy·Freq 16%·Acc 57.9%
#465Optimal Account Balancing
Hard·Freq 16%·Acc 50.5%
+2
#554Brick Wall
Medium·Freq 16%·Acc 56.1%
#581Shortest Unsorted Continuous Subarray
Medium·Freq 16%·Acc 38.4%
+3
#585Investments in 2016SQL
Medium·Freq 16%·Acc 51.4%
#602Friend Requests II: Who Has the Most FriendsSQL
Medium·Freq 16%·Acc 63.0%
#649Dota2 Senate
Medium·Freq 16%·Acc 50.2%
#673Number of Longest Increasing Subsequence
Medium·Freq 16%·Acc 52.3%
+2
#744Find Smallest Letter Greater Than Target
Easy·Freq 16%·Acc 59.4%
#759Employee Free Time
Hard·Freq 16%·Acc 73.0%
+1
#792Number of Matching Subsequences
Medium·Freq 16%·Acc 50.6%
+4
#888Fair Candy Swap
Easy·Freq 16%·Acc 65.3%
+1
#896Monotonic Array
Easy·Freq 16%·Acc 62.4%
#950Reveal Cards In Increasing Order
Medium·Freq 16%·Acc 83.7%
+1
#953Verifying an Alien Dictionary
Easy·Freq 16%·Acc 56.0%
#993Cousins in Binary Tree
Easy·Freq 16%·Acc 59.5%
+1
#1161Maximum Level Sum of a Binary Tree
Medium·Freq 16%·Acc 70.0%
+1
#1043Partition Array for Maximum Sum
Medium·Freq 16%·Acc 77.5%
#1197Minimum Knight Moves
Medium·Freq 16%·Acc 42.0%
+1
#1075Project Employees ISQL
Easy·Freq 16%·Acc 67.0%
#1108Defanging an IP Address
Easy·Freq 16%·Acc 90.1%
#1169Invalid Transactions
Medium·Freq 16%·Acc 32.4%
+1
#1204Last Person to Fit in the BusSQL
Medium·Freq 16%·Acc 69.5%
#2273Find Resultant Array After Removing Anagrams
Easy·Freq 16%·Acc 70.0%
+1
#1312Minimum Insertion Steps to Make a String Palindrome
Hard·Freq 16%·Acc 74.2%
#1345Jump Game IV
Hard·Freq 16%·Acc 51.0%
#1381Design a Stack With Increment Operation
Medium·Freq 16%·Acc 79.9%
#1448Count Good Nodes in Binary Tree
Medium·Freq 16%·Acc 73.9%
+1
#1545Find Kth Bit in Nth Binary String
Medium·Freq 16%·Acc 73.7%
#1567Maximum Length of Subarray With Positive Product
Medium·Freq 16%·Acc 44.7%
#1685Sum of Absolute Differences in a Sorted Array
Medium·Freq 16%·Acc 68.4%
#1672Richest Customer Wealth
Easy·Freq 16%·Acc 88.8%
#1751Maximum Number of Events That Can Be Attended II
Hard·Freq 16%·Acc 63.4%
+1
#1854Maximum Population Year
Easy·Freq 16%·Acc 64.3%
#1963Minimum Number of Swaps to Make the String Balanced
Medium·Freq 16%·Acc 78.0%
+2
#2011Final Value of Variable After Performing Operations
Easy·Freq 16%·Acc 90.6%
#2096Step-By-Step Directions From a Binary Tree Node to Another
Medium·Freq 16%·Acc 56.5%
+3
#2116Check if a Parentheses String Can Be Valid
Medium·Freq 16%·Acc 45.2%
+1
#2140Solving Questions With Brainpower
Medium·Freq 16%·Acc 60.2%
#2236Root Equals Sum of Children
Easy·Freq 16%·Acc 85.1%
#2356Number of Unique Subjects Taught by Each TeacherSQL
Easy·Freq 16%·Acc 89.2%
#3110Score of a String
Easy·Freq 16%·Acc 91.4%
#1221Split a String in Balanced Strings
Easy·Freq 16%·Acc 87.5%
#3191Minimum Operations to Make Binary Array Elements Equal to One I
Medium·Freq 16%·Acc 80.4%
+2
#989Add to Array-Form of Integer
Easy·Freq 16%·Acc 45.6%
#794Valid Tic-Tac-Toe State
Medium·Freq 16%·Acc 34.9%
#440K-th Smallest in Lexicographical Order
Hard·Freq 16%·Acc 46.4%
#1780Check if Number is a Sum of Powers of Three
Medium·Freq 16%·Acc 79.4%
#689Maximum Sum of 3 Non-Overlapping Subarrays
Hard·Freq 16%·Acc 59.9%
+1
#916Word Subsets
Medium·Freq 16%·Acc 56.0%
#2948Make Lexicographically Smallest Array by Swapping Elements
Medium·Freq 16%·Acc 60.3%
#1856Maximum Subarray Min-Product
Medium·Freq 16%·Acc 40.6%
+2
#2517Maximum Tastiness of Candy Basket
Medium·Freq 16%·Acc 68.4%
+1
#353Design Snake Game
Medium·Freq 16%·Acc 40.0%
+2
#1415The k-th Lexicographical String of All Happy Strings of Length n
Medium·Freq 16%·Acc 87.1%
#1524Number of Sub-arrays With Odd Sum
Medium·Freq 16%·Acc 55.7%
+1
#3454Separate Squares II
Hard·Freq 16%·Acc 59.3%
+1
#873Length of Longest Fibonacci Subsequence
Medium·Freq 16%·Acc 57.5%
#1007Minimum Domino Rotations For Equal Row
Medium·Freq 16%·Acc 56.5%
#3355Zero Array Transformation I
Medium·Freq 16%·Acc 54.6%
#3442Maximum Difference Between Even and Odd Frequency I
Easy·Freq 16%·Acc 60.7%
#2016Maximum Difference Between Increasing Elements
Easy·Freq 16%·Acc 66.6%
#2187Minimum Time to Complete Trips
Medium·Freq 16%·Acc 39.8%
#3638Maximum Balanced Shipments
Medium·Freq 16%·Acc 61.5%
+2
#2438Range Product Queries of Powers
Medium·Freq 16%·Acc 61.2%
#2787Ways to Express an Integer as Sum of Powers
Medium·Freq 16%·Acc 49.8%
#3195Find the Minimum Area to Cover All Ones I
Medium·Freq 16%·Acc 78.2%
#2327Number of People Aware of a Secret
Medium·Freq 16%·Acc 60.6%
#2089Find Target Indices After Sorting Array
Easy·Freq 16%·Acc 78.2%
#3186Maximum Total Damage With Spell Casting
Medium·Freq 16%·Acc 45.1%
+4
#3381Maximum Subarray Sum With Length Divisible by K
Medium·Freq 16%·Acc 49.7%
#2483Minimum Penalty for a Shop
Medium·Freq 16%·Acc 71.2%
#474Ones and Zeroes
Medium·Freq 16%·Acc 53.5%
+2
#3510Minimum Pair Removal to Sort Array II
Hard·Freq 16%·Acc 39.0%
+4
#3650Minimum Cost Path with Edge Reversals
Medium·Freq 16%·Acc 61.8%
#1674Minimum Moves to Make Array Complementary
Medium·Freq 16%·Acc 64.9%
#2144Minimum Cost of Buying Candies With Discount
Easy·Freq 16%·Acc 71.6%
#3633Earliest Finish Time for Land and Water Rides I
Easy·Freq 16%·Acc 73.0%
+2
#3635Earliest Finish Time for Land and Water Rides II
Medium·Freq 16%·Acc 64.3%
+2
#3614Process String with Special Operations II
Hard·Freq 16%·Acc 39.8%
#1184Distance Between Bus Stops
Easy·Freq 16%·Acc 55.5%
#1291Sequential Digits
Medium·Freq 16%·Acc 0.7%
#107Binary Tree Level Order Traversal II
Medium·Freq 13%·Acc 68.6%
#220Contains Duplicate III
Hard·Freq 13%·Acc 24.9%
+2
#296Best Meeting Point
Hard·Freq 13%·Acc 61.5%
+1
#413Arithmetic Slices
Medium·Freq 13%·Acc 64.8%
#421Maximum XOR of Two Numbers in an Array
Medium·Freq 13%·Acc 53.6%
+1
#436Find Right Interval
Medium·Freq 13%·Acc 56.1%
#453Minimum Moves to Equal Array Elements
Medium·Freq 13%·Acc 58.9%
#506Relative Ranks
Easy·Freq 13%·Acc 74.9%
#582Kill Process
Medium·Freq 13%·Acc 70.7%
+2
#714Best Time to Buy and Sell Stock with Transaction Fee
Medium·Freq 13%·Acc 72.3%
#754Reach a Number
Medium·Freq 13%·Acc 45.3%
#781Rabbits in Forest
Medium·Freq 13%·Acc 58.0%
+1
#826Most Profit Assigning Work
Medium·Freq 13%·Acc 56.3%
+2
#879Profitable Schemes
Hard·Freq 13%·Acc 48.5%
+1
#894All Possible Full Binary Trees
Medium·Freq 13%·Acc 82.8%
+2
#938Range Sum of BST
Easy·Freq 13%·Acc 87.6%
+1
#945Minimum Increment to Make Array Unique
Medium·Freq 13%·Acc 60.7%
+1
#946Validate Stack Sequences
Medium·Freq 13%·Acc 70.5%
#1122Relative Sort Array
Easy·Freq 13%·Acc 75.3%
+3
#1290Convert Binary Number in a Linked List to Integer
Easy·Freq 13%·Acc 82.4%
#1292Maximum Side Length of a Square with Sum Less than or Equal to Threshold
Medium·Freq 13%·Acc 65.4%
+1
#1342Number of Steps to Reduce a Number to Zero
Easy·Freq 13%·Acc 85.9%
#1481Least Number of Unique Integers after K Removals
Medium·Freq 13%·Acc 63.9%
+2
#1689Partitioning Into Minimum Number Of Deci-Binary Numbers
Medium·Freq 13%·Acc 90.5%
#1769Minimum Number of Operations to Move All Balls to Each Box
Medium·Freq 13%·Acc 90.2%
#1791Find Center of Star Graph
Easy·Freq 13%·Acc 86.6%
#1834Single-Threaded CPU
Medium·Freq 13%·Acc 47.8%
#2000Reverse Prefix of Word
Easy·Freq 13%·Acc 86.5%
#2013Detect Squares
Medium·Freq 13%·Acc 52.8%
+2
#2099Find Subsequence of Length K With the Largest Sum
Easy·Freq 13%·Acc 57.3%
+1
#2258Escape the Spreading Fire
Hard·Freq 13%·Acc 38.6%
+1
#2239Find Closest Number to Zero
Easy·Freq 13%·Acc 48.1%
#2469Convert the Temperature
Easy·Freq 13%·Acc 90.3%
#2619Array Prototype Last
Easy·Freq 13%·Acc 74.7%
#2799Count Complete Subarrays in an Array
Medium·Freq 13%·Acc 76.0%
#2966Divide Array Into Arrays With Max Difference
Medium·Freq 13%·Acc 79.0%
#3202Find the Maximum Length of Valid Subsequence II
Medium·Freq 13%·Acc 57.1%
#3136Valid Word
Easy·Freq 13%·Acc 50.9%
#599Minimum Index Sum of Two Lists
Easy·Freq 13%·Acc 60.1%
#576Out of Boundary Paths
Medium·Freq 13%·Acc 48.5%
#674Longest Continuous Increasing Subsequence
Easy·Freq 13%·Acc 52.2%
#2290Minimum Obstacle Removal to Reach Corner
Hard·Freq 13%·Acc 70.9%
+5
#2192All Ancestors of a Node in a Directed Acyclic Graph
Medium·Freq 13%·Acc 62.3%
+2
#2416Sum of Prefix Scores of Strings
Hard·Freq 13%·Acc 60.8%
+1
#619Biggest Single NumberSQL
Easy·Freq 13%·Acc 71.6%
#2491Divide Players Into Teams of Equal Skill
Medium·Freq 13%·Acc 68.9%
+1
#358Rearrange String k Distance Apart
Hard·Freq 13%·Acc 40.0%
+3
#2044Count Number of Maximum Bitwise-OR Subsets
Medium·Freq 13%·Acc 89.5%
+1
#2516Take K of Each Character From Left and Right
Medium·Freq 13%·Acc 51.5%
#1596The Most Frequently Ordered Products for Each CustomerSQL
Medium·Freq 13%·Acc 77.7%
#1748Sum of Unique Elements
Easy·Freq 13%·Acc 80.1%
#1014Best Sightseeing Pair
Medium·Freq 13%·Acc 62.7%
#2429Minimize XOR
Medium·Freq 13%·Acc 62.4%
#1245Tree Diameter
Medium·Freq 13%·Acc 61.3%
+3
#944Delete Columns to Make Sorted
Easy·Freq 13%·Acc 78.2%
#795Number of Subarrays with Bounded Maximum
Medium·Freq 13%·Acc 55.1%
#3026Maximum Good Subarray Sum
Medium·Freq 13%·Acc 22.2%
#2698Find the Punishment Number of an Integer
Medium·Freq 13%·Acc 81.7%
#728Self Dividing Numbers
Easy·Freq 13%·Acc 81.0%
#1031Maximum Sum of Two Non-Overlapping Subarrays
Medium·Freq 13%·Acc 61.0%
#2579Count Total Number of Colored Cells
Medium·Freq 13%·Acc 66.1%
#609Find Duplicate File in System
Medium·Freq 13%·Acc 67.5%
#3356Zero Array Transformation II
Medium·Freq 13%·Acc 43.6%
+1
#2594Minimum Time to Repair Cars
Medium·Freq 13%·Acc 59.5%
#2062Count Vowel Substrings of a String
Easy·Freq 13%·Acc 73.3%
#2484Count Palindromic Subsequences
Hard·Freq 13%·Acc 41.5%
#1200Minimum Absolute Difference
Easy·Freq 13%·Acc 75.2%
#1158Market Analysis ISQL
Medium·Freq 13%·Acc 57.5%
#2426Number of Pairs Satisfying Inequality
Hard·Freq 13%·Acc 47.6%
+4
#401Binary Watch
Easy·Freq 13%·Acc 65.8%
#2894Divisible and Non-divisible Sums Difference
Easy·Freq 13%·Acc 91.1%
#1691Maximum Height by Stacking Cuboids
Hard·Freq 13%·Acc 62.3%
#2359Find Closest Node to Given Two Nodes
Medium·Freq 13%·Acc 53.1%
#1432Max Difference You Can Get From Changing an Integer
Medium·Freq 13%·Acc 48.7%
#3330Find the Original Typed String I
Easy·Freq 13%·Acc 72.1%
#3333Find the Original Typed String II
Hard·Freq 13%·Acc 45.5%
#3507Minimum Pair Removal to Sort Array I
Easy·Freq 13%·Acc 65.2%
+4
#2210Count Hills and Valleys in an Array
Easy·Freq 13%·Acc 68.9%
#3479Fruits Into Baskets III
Medium·Freq 13%·Acc 39.4%
+1
#1504Count Submatrices With All Ones
Medium·Freq 13%·Acc 71.0%
+2
#3025Find the Number of Ways to Place People I
Medium·Freq 13%·Acc 64.0%
+2
#2749Minimum Operations to Make the Integer Zero
Medium·Freq 13%·Acc 58.2%
#1317Convert Integer to the Sum of Two No-Zero Integers
Easy·Freq 13%·Acc 59.2%
#2114Maximum Number of Words Found in Sentences
Easy·Freq 13%·Acc 86.7%
#3147Taking Maximum Energy From the Mystic Dungeon
Medium·Freq 13%·Acc 61.0%
#2598Smallest Missing Non-negative Integer After Operations
Medium·Freq 13%·Acc 55.9%
+1
#3573Best Time to Buy and Sell Stock V
Medium·Freq 13%·Acc 60.6%
#757Set Intersection Size At Least Two
Hard·Freq 13%·Acc 58.1%
#756Pyramid Transition Matrix
Medium·Freq 13%·Acc 60.6%
+1
#961N-Repeated Element in Size 2N Array
Easy·Freq 13%·Acc 80.0%
#2943Maximize Area of Square Hole in Grid
Medium·Freq 13%·Acc 62.0%
#3315Construct the Minimum Bitwise Array II
Medium·Freq 13%·Acc 66.6%
#3651Minimum Cost Path with Teleportations
Hard·Freq 13%·Acc 45.4%
#3719Longest Balanced Subarray I
Medium·Freq 13%·Acc 65.7%
+2
#3714Longest Balanced Substring II
Medium·Freq 13%·Acc 41.9%
#586Customer Placing the Largest Number of OrdersSQL
Easy·Freq 13%·Acc 64.5%
#1461Check If a String Contains All Binary Codes of Size K
Medium·Freq 13%·Acc 61.6%
+3
#859Buddy Strings
Easy·Freq 13%·Acc 34.1%
#1236Web Crawler
Medium·Freq 13%·Acc 68.8%
+1
#2661First Completely Painted Row or Column
Medium·Freq 13%·Acc 63.9%
#3737Count Subarrays With Majority Element I
Medium·Freq 13%·Acc 75.7%
+4
#3090Maximum Length Substring With Two Occurrences
Easy·Freq 13%·Acc 0.8%
#154Find Minimum in Rotated Sorted Array II
Hard·Freq 13%·Acc 46.7%
#321Create Maximum Number
Hard·Freq 13%·Acc 35.9%
+2
#324Wiggle Sort II
Medium·Freq 13%·Acc 37.7%
+2
#336Palindrome Pairs
Hard·Freq 13%·Acc 37.4%
+2
#343Integer Break
Medium·Freq 13%·Acc 62.5%
#366Find Leaves of Binary Tree
Medium·Freq 13%·Acc 81.3%
+1
#372Super Pow
Medium·Freq 13%·Acc 37.1%
+1
#406Queue Reconstruction by Height
Medium·Freq 13%·Acc 74.8%
+1
#446Arithmetic Slices II - Subsequence
Hard·Freq 13%·Acc 55.1%
#4544Sum II
Medium·Freq 13%·Acc 58.1%
#583Delete Operation for Two Strings
Medium·Freq 13%·Acc 65.9%
#627Swap Sex of EmployeesSQL
Easy·Freq 13%·Acc 84.8%
#686Repeated String Match
Medium·Freq 13%·Acc 39.4%
+2
#715Range Module
Hard·Freq 13%·Acc 45.3%
#718Maximum Length of Repeated Subarray
Medium·Freq 13%·Acc 51.5%
+3
#429N-ary Tree Level Order Traversal
Medium·Freq 13%·Acc 71.6%
#427Construct Quad Tree
Medium·Freq 13%·Acc 78.5%
+1
#788Rotated Digits
Medium·Freq 13%·Acc 64.1%
#812Largest Triangle Area
Easy·Freq 13%·Acc 71.7%
+1
#814Binary Tree Pruning
Medium·Freq 13%·Acc 72.5%
#817Linked List Components
Medium·Freq 13%·Acc 58.0%
#832Flipping an Image
Easy·Freq 13%·Acc 83.9%
+2
#489Robot Room Cleaner
Hard·Freq 13%·Acc 78.0%
#836Rectangle Overlap
Easy·Freq 13%·Acc 46.9%
#847Shortest Path Visiting All Nodes
Hard·Freq 13%·Acc 66.1%
+2
#872Leaf-Similar Trees
Easy·Freq 13%·Acc 70.3%
#910Smallest Range II
Medium·Freq 13%·Acc 38.0%
+1
#935Knight Dialer
Medium·Freq 13%·Acc 62.0%
#976Largest Perimeter Triangle
Easy·Freq 13%·Acc 62.3%
+3
#1027Longest Arithmetic Subsequence
Medium·Freq 13%·Acc 50.1%
+1
#1029Two City Scheduling
Medium·Freq 13%·Acc 68.7%
+2
#1039Minimum Score Triangulation of Polygon
Medium·Freq 13%·Acc 67.5%
+1
#1048Longest String Chain
Medium·Freq 13%·Acc 63.3%
+3
#1163Last Substring in Lexicographical Order
Hard·Freq 13%·Acc 35.1%
#1089Duplicate Zeros
Easy·Freq 13%·Acc 53.8%
#1244Design A Leaderboard
Medium·Freq 13%·Acc 68.1%
#1110Delete Nodes And Return Forest
Medium·Freq 13%·Acc 72.5%
+2
#1323Maximum 69 Number
Easy·Freq 13%·Acc 84.6%
#1334Find the City With the Smallest Number of Neighbors at a Threshold Distance
Medium·Freq 13%·Acc 73.3%
+3
#1356Sort Integers by The Number of 1 Bits
Easy·Freq 13%·Acc 82.4%
+1
#1352Product of the Last K Numbers
Medium·Freq 13%·Acc 63.0%
+2
#1396Design Underground System
Medium·Freq 13%·Acc 74.5%
#1436Destination City
Easy·Freq 13%·Acc 79.6%
#1518Water Bottles
Easy·Freq 13%·Acc 72.6%
#1534Count Good Triplets
Easy·Freq 13%·Acc 85.5%
#1647Minimum Deletions to Make Character Frequencies Unique
Medium·Freq 13%·Acc 61.5%
+1
#1688Count of Matches in Tournament
Easy·Freq 13%·Acc 86.5%
#1718Construct the Lexicographically Largest Valid Sequence
Medium·Freq 13%·Acc 72.6%
#1790Check if One String Swap Can Make Strings Equal
Easy·Freq 13%·Acc 49.5%
#1832Check if the Sentence Is Pangram
Easy·Freq 13%·Acc 84.3%
#1876Substrings of Size Three with Distinct Characters
Easy·Freq 13%·Acc 76.9%
+1
#1909Remove One Element to Make the Array Strictly Increasing
Easy·Freq 13%·Acc 30.0%
#2058Find the Minimum and Maximum Number of Nodes Between Critical Points
Medium·Freq 13%·Acc 69.5%
#2073Time Needed to Buy Tickets
Easy·Freq 13%·Acc 72.9%
#2441Largest Positive Integer That Exists With Its Negative
Easy·Freq 13%·Acc 74.6%
+1
#2444Count Subarrays With Fixed Bounds
Hard·Freq 13%·Acc 69.2%
+1
#2653Sliding Subarray Beauty
Medium·Freq 13%·Acc 37.4%
#2707Extra Characters in a String
Medium·Freq 13%·Acc 57.4%
+2
#2622Cache With Time Limit
Medium·Freq 13%·Acc 76.2%
#2665Counter II
Easy·Freq 13%·Acc 81.3%
#2742Painting the Walls
Hard·Freq 13%·Acc 49.2%
#2824Count Pairs Whose Sum is Less than Target
Easy·Freq 13%·Acc 87.8%
+1
#2962Count Subarrays Where Max Element Appears at Least K Times
Medium·Freq 13%·Acc 62.4%
#2997Minimum Number of Operations to Make Array XOR Equal to K
Medium·Freq 13%·Acc 85.5%
#2976Minimum Cost to Convert String I
Medium·Freq 13%·Acc 63.2%
+1
#2685Count the Number of Complete Components
Medium·Freq 13%·Acc 80.8%
+1
#313Super Ugly Number
Medium·Freq 13%·Acc 46.3%
#2365Task Scheduler II
Medium·Freq 13%·Acc 54.9%
#2094Finding 3-Digit Even Numbers
Easy·Freq 13%·Acc 78.6%
+2
#365Water and Jug Problem
Medium·Freq 13%·Acc 45.9%
+4
#2915Length of the Longest Subsequence That Sums to Target
Medium·Freq 13%·Acc 40.1%
+1
#1606Find Servers That Handled Most Number of Requests
Hard·Freq 13%·Acc 45.6%
+1
#590N-ary Tree Postorder Traversal
Easy·Freq 13%·Acc 81.1%
#2602Minimum Operations to Make All Array Elements Equal
Medium·Freq 13%·Acc 38.6%
+1
#2419Longest Subarray With Maximum Bitwise AND
Medium·Freq 13%·Acc 65.4%
#2724Sort By
Easy·Freq 13%·Acc 83.0%
#1525Number of Good Ways to Split a String
Medium·Freq 13%·Acc 68.5%
+2
#813Largest Sum of Averages
Medium·Freq 13%·Acc 55.2%
#2696Minimum String Length After Removing Substrings
Easy·Freq 13%·Acc 77.2%
#490The Maze
Medium·Freq 13%·Acc 60.5%
+1
#967Numbers With Same Consecutive Differences
Medium·Freq 13%·Acc 59.3%
#1403Minimum Subsequence in Non-Increasing Order
Easy·Freq 13%·Acc 74.0%
#635Design Log Storage System
Medium·Freq 13%·Acc 59.6%
+1
#2663Lexicographically Smallest Beautiful String
Hard·Freq 13%·Acc 38.5%
#942DI String Match
Easy·Freq 13%·Acc 81.2%
+1
#3349Adjacent Increasing Subarrays Detection I
Easy·Freq 13%·Acc 48.0%
#281Zigzag Iterator
Medium·Freq 13%·Acc 67.1%
+1
#2593Find Score of an Array After Marking All Elements
Medium·Freq 13%·Acc 64.5%
+2
#2381Shifting Letters II
Medium·Freq 13%·Acc 53.8%
#2587Rearrange Array to Maximize Prefix Score
Medium·Freq 13%·Acc 43.0%
+1
#690Employee Importance
Medium·Freq 13%·Acc 69.6%
+2
#1517Find Users With Valid E-MailsSQL
Easy·Freq 13%·Acc 35.6%
#2683Neighboring Bitwise XOR
Medium·Freq 13%·Acc 79.8%
#2467Most Profitable Path in a Tree
Medium·Freq 13%·Acc 67.3%
+2
#2772Apply Operations to Make All Array Elements Equal to Zero
Medium·Freq 13%·Acc 33.6%
#768Max Chunks To Make Sorted II
Hard·Freq 13%·Acc 55.0%
+2
#631Design Excel Sum Formula
Hard·Freq 13%·Acc 39.6%
+4
#250Count Univalue Subtrees
Medium·Freq 13%·Acc 57.5%
+1
#898Bitwise ORs of Subarrays
Medium·Freq 13%·Acc 56.9%
#2523Closest Prime Numbers in Range
Medium·Freq 13%·Acc 51.9%
+2
#495Teemo Attacking
Easy·Freq 13%·Acc 57.9%
#2672Number of Adjacent Elements With the Same Color
Medium·Freq 13%·Acc 59.9%
#3206Alternating Groups I
Easy·Freq 13%·Acc 69.3%
#282Expression Add Operators
Hard·Freq 13%·Acc 43.4%
#2302Count Subarrays With Score Less Than K
Hard·Freq 13%·Acc 62.2%
+1
#1991Find the Middle Index in Array
Easy·Freq 13%·Acc 70.1%
#308Range Sum Query 2D - Mutable
Medium·Freq 13%·Acc 45.5%
+3
#434Number of Segments in a String
Easy·Freq 13%·Acc 37.5%
#2481Minimum Cuts to Divide a Circle
Easy·Freq 13%·Acc 56.5%
#637Average of Levels in Binary Tree
Easy·Freq 13%·Acc 75.0%
+1
#821Shortest Distance to a Character
Easy·Freq 13%·Acc 72.9%
#305Number of Islands II
Hard·Freq 13%·Acc 40.7%
#858Mirror Reflection
Medium·Freq 13%·Acc 61.9%
+2
#2001Number of Pairs of Interchangeable Rectangles
Medium·Freq 13%·Acc 52.6%
+2
#2571Minimum Operations to Reduce an Integer to 0
Medium·Freq 13%·Acc 62.8%
#1957Delete Characters to Make Fancy String
Easy·Freq 13%·Acc 74.0%
#1970Last Day Where You Can Still Cross
Hard·Freq 13%·Acc 68.7%
+3
#3487Maximum Unique Subarray Sum After Deletion
Easy·Freq 13%·Acc 40.5%
#1306Jump Game III
Medium·Freq 13%·Acc 70.3%
#2119A Number After a Double Reversal
Easy·Freq 13%·Acc 82.4%
#2561Rearranging Fruits
Hard·Freq 13%·Acc 57.3%
+1
#223Rectangle Area
Medium·Freq 13%·Acc 49.8%
#3542Minimum Operations to Convert All Elements to Zero
Medium·Freq 13%·Acc 53.1%
+2
#1394Find Lucky Integer in an Array
Easy·Freq 13%·Acc 75.6%
#940Distinct Subsequences II
Hard·Freq 13%·Acc 44.2%
#3446Sort Matrix by Diagonals
Medium·Freq 13%·Acc 84.7%
#3666Minimum Operations to Equalize Binary String
Hard·Freq 13%·Acc 45.1%
+2
#546Remove Boxes
Hard·Freq 13%·Acc 49.6%
#1733Minimum Number of People to Teach
Medium·Freq 13%·Acc 67.3%
#3494Find the Minimum Amount of Time to Brew Potions
Medium·Freq 13%·Acc 62.7%
#3397Maximum Number of Distinct Elements After Operations
Medium·Freq 13%·Acc 52.3%
#3346Maximum Frequency of an Element After Performing Operations I
Medium·Freq 13%·Acc 40.2%
+2
#3354Make Array Elements Equal to Zero
Easy·Freq 13%·Acc 68.3%
#3289The Two Sneaky Numbers of Digitville
Easy·Freq 13%·Acc 89.8%
#3318Find X-Sum of All K-Long Subarrays I
Easy·Freq 13%·Acc 76.1%
+1
#3517Smallest Palindromic Rearrangement I
Medium·Freq 13%·Acc 63.9%
#2528Maximize the Minimum Powered City
Hard·Freq 13%·Acc 61.5%
+3
#1015Smallest Integer Divisible by K
Medium·Freq 13%·Acc 54.2%
#3578Count Partitions With Max-Min Difference at Most K
Medium·Freq 13%·Acc 58.5%
+3
#3512Minimum Operations to Make Array Sum Divisible by K
Easy·Freq 13%·Acc 92.3%
#2520Count the Digits That Divide a Number
Easy·Freq 13%·Acc 85.9%
#3652Best Time to Buy and Sell Stock using Strategy
Medium·Freq 13%·Acc 59.7%
#2906Construct Product Matrix
Medium·Freq 13%·Acc 51.7%
#955Delete Columns to Make Sorted II
Medium·Freq 13%·Acc 49.7%
#256Paint House
Medium·Freq 13%·Acc 64.5%
#1013Partition Array Into Three Parts With Equal Sum
Easy·Freq 13%·Acc 42.9%
#1411Number of Ways to Paint N × 3 Grid
Hard·Freq 13%·Acc 80.5%
#3314Construct the Minimum Bitwise Array I
Easy·Freq 13%·Acc 85.3%
#805Split Array With Same Average
Hard·Freq 13%·Acc 27.2%
+4
#1877Minimize Maximum Pair Sum in Array
Medium·Freq 13%·Acc 83.3%
+1
#1979Find Greatest Common Divisor of Array
Easy·Freq 13%·Acc 80.1%
+2
#1895Largest Magic Square
Medium·Freq 13%·Acc 75.2%
#988Smallest String Starting From Leaf
Medium·Freq 13%·Acc 61.3%
+2
#868Binary Gap
Easy·Freq 13%·Acc 74.3%
#990Satisfiability of Equality Equations
Medium·Freq 13%·Acc 52.0%
+1
#1536Minimum Swaps to Arrange a Binary Grid
Medium·Freq 13%·Acc 70.1%
#1784Check if Binary String Has at Most One Segment of Ones
Easy·Freq 13%·Acc 49.2%
#1980Find Unique Binary String
Medium·Freq 13%·Acc 81.2%
+1
#1009Complement of Base 10 Integer
Easy·Freq 13%·Acc 63.4%
#1878Get Biggest Three Rhombus Sums in a Grid
Medium·Freq 13%·Acc 71.3%
+3
#1594Maximum Non Negative Product in a Matrix
Medium·Freq 13%·Acc 51.6%
#1693Daily Leads and PartnersSQL
Easy·Freq 13%·Acc 86.7%
#3653XOR After Range Multiplication Queries I
Medium·Freq 13%·Acc 73.3%
+1
#2384Largest Palindromic Number
Medium·Freq 13%·Acc 37.3%
+1
#2448Minimum Cost to Make Array Equal
Hard·Freq 13%·Acc 46.8%
+2
#3488Closest Equal Element Queries
Medium·Freq 13%·Acc 51.5%
#3761Minimum Absolute Distance Between Mirror Pairs
Medium·Freq 13%·Acc 59.2%
#2078Two Furthest Houses With Different Colors
Easy·Freq 13%·Acc 71.7%
#2615Sum of Distances
Medium·Freq 13%·Acc 50.3%
#3225Maximum Score From Grid Operations
Hard·Freq 13%·Acc 64.3%
+1
#2770Maximum Number of Jumps to Reach the Last Index
Medium·Freq 13%·Acc 51.0%
#566Reshape the Matrix
Easy·Freq 13%·Acc 65.2%
#969Pancake Sorting
Medium·Freq 13%·Acc 71.9%
+1
#3753Total Waviness of Numbers in Range II
Hard·Freq 13%·Acc 56.7%
#3689Maximum Total Subarray Value I
Medium·Freq 13%·Acc 71.9%
#1967Number of Strings That Appear as Substrings in Word
Easy·Freq 13%·Acc 86.1%
#3620Network Recovery Pathways
Hard·Freq 13%·Acc 50.9%
+4
#3756Concatenate Non-Zero Digits and Multiply by Sum II
Medium·Freq 13%·Acc 42.9%
#261Graph Valid Tree
Medium·Freq 13%·Acc 50.1%
+1
#272Closest Binary Search Tree Value II
Hard·Freq 13%·Acc 61.2%
+4
#318Maximum Product of Word Lengths
Medium·Freq 13%·Acc 61.4%
#325Maximum Size Subarray Sum Equals k
Medium·Freq 13%·Acc 50.9%
#330Patching Array
Hard·Freq 13%·Acc 54.4%
#369Plus One Linked List
Medium·Freq 13%·Acc 61.2%
#384Shuffle an Array
Medium·Freq 13%·Acc 59.8%
+1
#385Mini Parser
Medium·Freq 13%·Acc 42.9%
#388Longest Absolute File Path
Medium·Freq 13%·Acc 49.6%
#398Random Pick Index
Medium·Freq 13%·Acc 65.1%
+1
#405Convert a Number to Hexadecimal
Easy·Freq 13%·Acc 54.5%
#420Strong Password Checker
Hard·Freq 13%·Acc 16.0%
#457Circular Array Loop
Medium·Freq 13%·Acc 37.8%
+1
#462Minimum Moves to Equal Array Elements II
Medium·Freq 13%·Acc 62.1%
#500Keyboard Row
Easy·Freq 13%·Acc 74.1%
#513Find Bottom Left Tree Value
Medium·Freq 13%·Acc 72.4%
+1
#638Shopping Offers
Medium·Freq 13%·Acc 52.6%
+5
#664Strange Printer
Hard·Freq 13%·Acc 61.0%
#731My Calendar II
Medium·Freq 13%·Acc 63.3%
+3
#780Reaching Points
Hard·Freq 13%·Acc 34.5%
#705Design HashSet
Easy·Freq 13%·Acc 68.2%
+2
#828Count Unique Characters of All Substrings of a Given String
Hard·Freq 13%·Acc 53.8%
#887Super Egg Drop
Hard·Freq 13%·Acc 30.6%
#897Increasing Order Search Tree
Easy·Freq 13%·Acc 79.0%
+2
#959Regions Cut By Slashes
Medium·Freq 13%·Acc 77.6%
+4
#995Minimum Number of K Consecutive Bit Flips
Hard·Freq 13%·Acc 62.4%
+3
#1032Stream of Characters
Hard·Freq 13%·Acc 52.6%
+3
#1051Height Checker
Easy·Freq 13%·Acc 81.8%
+1
#1329Sort the Matrix Diagonally
Medium·Freq 13%·Acc 83.2%
#1171Remove Zero Sum Consecutive Nodes from Linked List
Medium·Freq 13%·Acc 53.2%
#1550Three Consecutive Odds
Easy·Freq 13%·Acc 69.3%
#1483Kth Ancestor of a Tree Node
Hard·Freq 13%·Acc 38.9%
+5
#1219Path with Maximum Gold
Medium·Freq 13%·Acc 68.5%
#1232Check If It Is a Straight Line
Easy·Freq 13%·Acc 40.2%
#1225Report Contiguous DatesSQL
Hard·Freq 13%·Acc 57.1%
#1282Group the People Given the Group Size They Belong To
Medium·Freq 13%·Acc 87.5%
#1347Minimum Number of Steps to Make Two Strings Anagram
Medium·Freq 13%·Acc 82.6%
#1376Time Needed to Inform All Employees
Medium·Freq 13%·Acc 60.5%
#1422Maximum Score After Splitting a String
Easy·Freq 13%·Acc 65.1%
#1523Count Odd Numbers in an Interval Range
Easy·Freq 13%·Acc 54.6%
#1570Dot Product of Two Sparse Vectors
Medium·Freq 13%·Acc 89.9%
+2
#1637Widest Vertical Area Between Two Points Containing No Points
Easy·Freq 13%·Acc 87.1%
#1669Merge In Between Linked Lists
Medium·Freq 13%·Acc 83.1%
#1646Get Maximum in Generated Array
Easy·Freq 13%·Acc 51.6%
#1657Determine if Two Strings Are Close
Medium·Freq 13%·Acc 54.4%
+1
#1662Check If Two String Arrays are Equivalent
Easy·Freq 13%·Acc 86.1%
#1716Calculate Money in Leetcode Bank
Easy·Freq 13%·Acc 82.4%
#1882Process Tasks Using Servers
Medium·Freq 13%·Acc 42.0%
#2037Minimum Number of Moves to Seat Everyone
Easy·Freq 13%·Acc 87.2%
+1
#2127Maximum Employees to Be Invited to a Meeting
Hard·Freq 13%·Acc 61.8%
+4
#2181Merge Nodes in Between Zeros
Medium·Freq 13%·Acc 89.7%
#2220Minimum Bit Flips to Convert Number
Easy·Freq 13%·Acc 88.0%
#2246Longest Path With Different Adjacent Characters
Hard·Freq 13%·Acc 54.0%
+3
#2325Decode the Message
Easy·Freq 13%·Acc 85.9%
#2360Longest Cycle in a Graph
Hard·Freq 13%·Acc 50.9%
+3
#2439Minimize Maximum of Array
Medium·Freq 13%·Acc 46.6%
+2
#2535Difference Between Element Sum and Digit Sum of an Array
Easy·Freq 13%·Acc 85.4%
#2537Count the Number of Good Subarrays
Medium·Freq 13%·Acc 65.7%
#2542Maximum Subsequence Score
Medium·Freq 13%·Acc 54.8%
+1
#2621Sleep
Easy·Freq 13%·Acc 87.4%
#2635Apply Transform Over Each Element in Array
Easy·Freq 13%·Acc 86.2%
#2798Number of Employees Who Met the Target
Easy·Freq 13%·Acc 87.9%
#2879Display the First Three Rows
Easy·Freq 13%·Acc 93.0%
#2942Find Words Containing Character
Easy·Freq 13%·Acc 90.4%
#3133Minimum Array End
Medium·Freq 13%·Acc 55.5%
#1484Group Sold Products By The DateSQL
Easy·Freq 13%·Acc 78.1%
#978Longest Turbulent Subarray
Medium·Freq 13%·Acc 49.3%
#1653Minimum Deletions to Make String Balanced
Medium·Freq 13%·Acc 68.2%
#697Degree of an Array
Easy·Freq 13%·Acc 58.5%
#1172Dinner Plate Stacks
Hard·Freq 13%·Acc 33.7%
+1
#3281Maximize Score of Numbers in Ranges
Medium·Freq 13%·Acc 35.9%
+1
#3274Check if Two Chessboard Squares Have the Same Color
Easy·Freq 13%·Acc 72.2%
#2049Count Nodes With the Highest Score
Medium·Freq 13%·Acc 52.9%
+2
#2751Robot Collisions
Hard·Freq 13%·Acc 61.6%
+1
#866Prime Palindrome
Medium·Freq 13%·Acc 28.3%
#2530Maximal Score After Applying K Operations
Medium·Freq 13%·Acc 64.1%
#1593Split a String Into the Max Number of Unique Substrings
Medium·Freq 13%·Acc 68.7%
#2418Sort the People
Easy·Freq 13%·Acc 84.8%
+1
#1817Finding the Users Active Minutes
Medium·Freq 13%·Acc 80.9%
#2017Grid Game
Medium·Freq 13%·Acc 60.9%
#2275Largest Combination With Bitwise AND Greater Than Zero
Medium·Freq 13%·Acc 80.8%
+1
#1072Flip Columns For Maximum Number of Equal Rows
Medium·Freq 13%·Acc 78.5%
#1898Maximum Number of Removable Characters
Medium·Freq 13%·Acc 47.4%
+1
#1713Minimum Operations to Make a Subsequence
Hard·Freq 13%·Acc 49.9%
+2
#2940Find Building Where Alice and Bob Can Meet
Hard·Freq 13%·Acc 52.4%
+4
#1270All People Report to the Given ManagerSQL
Medium·Freq 13%·Acc 83.9%
#2466Count Ways To Build Good Strings
Medium·Freq 13%·Acc 58.9%
#1400Construct K Palindrome Strings
Medium·Freq 13%·Acc 68.5%
+1
#1368Minimum Cost to Make at Least One Valid Path in a Grid
Hard·Freq 13%·Acc 71.1%
+5
#3429Paint House IV
Medium·Freq 13%·Acc 45.6%
#1800Maximum Ascending Subarray Sum
Easy·Freq 13%·Acc 66.3%
#1726Tuple with Same Product
Medium·Freq 13%·Acc 70.1%
#3160Find the Number of Distinct Colors Among the Balls
Medium·Freq 13%·Acc 54.2%
#2034Stock Price Fluctuation
Medium·Freq 13%·Acc 49.2%
+2
#3066Minimum Operations to Exceed Threshold Value II
Medium·Freq 13%·Acc 45.8%
#1036Escape a Large Maze
Hard·Freq 13%·Acc 36.8%
+2
#2492Minimum Score of a Path Between Two Cities
Medium·Freq 13%·Acc 66.2%
+1
#2493Divide Nodes Into the Maximum Number of Groups
Hard·Freq 13%·Acc 66.9%
+1
#1827Minimum Operations to Make the Array Increasing
Easy·Freq 13%·Acc 82.2%
#1366Rank Teams by Votes
Medium·Freq 13%·Acc 60.0%
+2
#2379Minimum Recolors to Get K Consecutive Black Blocks
Easy·Freq 13%·Acc 68.8%
#773Sliding Puzzle
Hard·Freq 13%·Acc 74.5%
+6
#589N-ary Tree Preorder Traversal
Easy·Freq 13%·Acc 76.9%
#2206Divide Array Into Equal Pairs
Easy·Freq 13%·Acc 79.3%
+1
#1136Parallel Courses
Medium·Freq 13%·Acc 62.3%
#352Data Stream as Disjoint Intervals
Hard·Freq 13%·Acc 60.3%
+3
#1439Find the Kth Smallest Sum of a Matrix With Sorted Rows
Hard·Freq 13%·Acc 62.5%
+1
#3394Check if Grid can be Cut into Sections
Medium·Freq 13%·Acc 68.3%
#3306Count of Substrings Containing Every Vowel and K Consonants II
Medium·Freq 13%·Acc 40.7%
#2874Maximum Value of an Ordered Triplet II
Medium·Freq 13%·Acc 56.4%
#563Binary Tree Tilt
Easy·Freq 13%·Acc 66.1%
+1
#984String Without AAA or BBB
Medium·Freq 13%·Acc 45.5%
#1865Finding Pairs With a Certain Sum
Medium·Freq 13%·Acc 61.6%
#2338Count the Number of Ideal Arrays
Hard·Freq 13%·Acc 56.9%
+3
#838Push Dominoes
Medium·Freq 13%·Acc 63.0%
#3342Find Minimum Time to Reach Last Room II
Medium·Freq 13%·Acc 67.6%
+2
#2550Count Collisions of Monkeys on a Polygon
Medium·Freq 13%·Acc 30.3%
#2815Max Pair Sum in an Array
Easy·Freq 13%·Acc 61.0%
#3403Find the Lexicographically Largest String From the Box I
Medium·Freq 13%·Acc 40.9%
#3445Maximum Difference Between Even and Odd Frequency II
Hard·Freq 13%·Acc 48.6%
+1
#3423Maximum Difference Between Adjacent Elements in a Circular Array
Easy·Freq 13%·Acc 75.6%
#892Surface Area of 3D Shapes
Easy·Freq 13%·Acc 71.1%
+1
#1941Check if All Characters Have Equal Number of Occurrences
Easy·Freq 13%·Acc 79.6%
#1893Check if All the Integers in a Range Are Covered
Easy·Freq 13%·Acc 51.2%
#2265Count Nodes Equal to Average of Subtree
Medium·Freq 13%·Acc 86.8%
#2311Longest Binary Subsequence Less Than or Equal to K
Medium·Freq 13%·Acc 52.8%
+1
#783Minimum Distance Between BST Nodes
Easy·Freq 13%·Acc 61.6%
+2
#3307Find the K-th Character in String Game II
Hard·Freq 13%·Acc 48.4%
#1217Minimum Cost to Move Chips to The Same Position
Easy·Freq 13%·Acc 73.0%
#3440Reschedule Meetings for Maximum Free Time II
Medium·Freq 13%·Acc 60.4%
#1900The Earliest and Latest Rounds Where Players Compete
Hard·Freq 13%·Acc 72.2%
#924Minimize Malware Spread
Hard·Freq 13%·Acc 43.3%
+3
#492Construct the Rectangle
Easy·Freq 13%·Acc 64.2%
#3340Check Balanced String
Easy·Freq 13%·Acc 82.9%
#2771Longest Non-decreasing Subarray From Two Arrays
Medium·Freq 13%·Acc 31.3%
#559Maximum Depth of N-ary Tree
Easy·Freq 13%·Acc 73.7%
#2106Maximum Fruits Harvested After at Most K Steps
Hard·Freq 13%·Acc 61.0%
+1
#1527Patients With a ConditionSQL
Easy·Freq 13%·Acc 39.0%
#3482Analyze Organization HierarchySQL
Hard·Freq 13%·Acc 61.2%
#473Matchsticks to Square
Medium·Freq 13%·Acc 42.1%
+2
#1907Count Salary CategoriesSQL
Medium·Freq 13%·Acc 64.8%
#1266Minimum Time Visiting All Points
Easy·Freq 13%·Acc 84.8%
#1297Maximum Number of Occurrences of a Substring
Medium·Freq 13%·Acc 54.6%
#3516Find Closest Person
Easy·Freq 13%·Acc 89.0%
#3541Find Most Frequent Vowel and Consonant
Easy·Freq 13%·Acc 89.3%
#1935Maximum Number of Words You Can Type
Easy·Freq 13%·Acc 82.9%
#929Unique Email Addresses
Easy·Freq 13%·Acc 67.9%
#1201Ugly Number III
Medium·Freq 13%·Acc 31.7%
+5
#2544Alternating Digit Sum
Easy·Freq 13%·Acc 69.2%
#825Friends Of Appropriate Ages
Medium·Freq 13%·Acc 49.9%
+1
#1145Binary Tree Coloring Game
Medium·Freq 13%·Acc 53.0%
#3347Maximum Frequency of an Element After Performing Operations II
Hard·Freq 13%·Acc 53.9%
+2
#3370Smallest Number With All Set Bits
Easy·Freq 13%·Acc 80.3%
#2421Number of Good Paths
Hard·Freq 13%·Acc 56.5%
+3
#3428Maximum and Minimum Sums of at Most Size K Subsequences
Medium·Freq 13%·Acc 22.0%
+2
#1578Minimum Time to Make Rope Colorful
Medium·Freq 13%·Acc 65.2%
+1
#3607Power Grid Maintenance
Medium·Freq 13%·Acc 56.1%
+5
#2169Count Operations to Obtain Zero
Easy·Freq 13%·Acc 79.8%
#2654Minimum Number of Operations to Make All Array Elements Equal to 1
Medium·Freq 13%·Acc 54.7%
+2
#3228Maximum Number of Operations to Move Ones to the End
Medium·Freq 13%·Acc 67.1%
#3190Find Minimum Operations to Make All Elements Divisible by Three
Easy·Freq 13%·Acc 90.8%
#2435Paths in Matrix Whose Sum Is Divisible by K
Hard·Freq 13%·Acc 58.7%
#1776Car Fleet II
Hard·Freq 13%·Acc 58.2%
+2
#2141Maximum Running Time of N Computers
Hard·Freq 13%·Acc 56.4%
+1
#1822Sign of the Product of an Array
Easy·Freq 13%·Acc 64.8%
#1399Count Largest Group
Easy·Freq 13%·Acc 74.7%
#1729Find Followers CountSQL
Easy·Freq 13%·Acc 69.6%
#391Perfect Rectangle
Hard·Freq 13%·Acc 38.4%
+2
#483Smallest Good Base
Hard·Freq 13%·Acc 46.6%
#2843Count Symmetric Integers
Easy·Freq 13%·Acc 83.0%
#3013Divide an Array Into Subarrays With Minimum Cost II
Hard·Freq 13%·Acc 54.7%
+1
#600Non-negative Integers without Consecutive Ones
Hard·Freq 13%·Acc 42.9%
#9233Sum With Multiplicity
Medium·Freq 13%·Acc 46.4%
+2
#2858Minimum Edge Reversals So Every Node Is Reachable
Hard·Freq 13%·Acc 60.0%
+1
#530Minimum Absolute Difference in BST
Easy·Freq 13%·Acc 59.5%
+2
#3721Longest Balanced Subarray II
Hard·Freq 13%·Acc 33.8%
+2
#2860Happy Students
Medium·Freq 13%·Acc 51.2%
#693Binary Number with Alternating Bits
Easy·Freq 13%·Acc 69.9%
#1582Special Positions in a Binary Matrix
Easy·Freq 13%·Acc 72.7%
#1888Minimum Number of Flips to Make the Binary String Alternating
Medium·Freq 13%·Acc 53.6%
#1932Merge BSTs to Create Single BST
Hard·Freq 13%·Acc 39.6%
+3
#3130Find All Possible Stable Binary Arrays II
Hard·Freq 13%·Acc 58.8%
#3600Maximize Spanning Tree Stability with Upgrades
Hard·Freq 13%·Acc 66.2%
+2
#3296Minimum Number of Seconds to Make Mountain Height Zero
Medium·Freq 13%·Acc 58.3%
+2
#1622Fancy Sequence
Hard·Freq 13%·Acc 41.5%
+2
#1727Largest Submatrix With Rearrangements
Medium·Freq 13%·Acc 80.2%
+1
#3552Grid Teleportation Traversal
Medium·Freq 13%·Acc 23.9%
+1
#3418Maximum Amount of Money Robot Can Earn
Medium·Freq 13%·Acc 47.8%
#3661Maximum Walls Destroyed by Robots
Hard·Freq 13%·Acc 48.0%
+1
#3655XOR After Range Multiplication Queries II
Hard·Freq 13%·Acc 47.7%
#2344Minimum Deletions to Make Array Divisible
Hard·Freq 13%·Acc 61.6%
+4
#501Find Mode in Binary Search Tree
Easy·Freq 13%·Acc 59.1%
+1
#917Reverse Only Letters
Easy·Freq 13%·Acc 68.7%
#2515Shortest Distance to Target String in a Circular Array
Easy·Freq 13%·Acc 65.2%
#1281Subtract the Product and Sum of Digits of an Integer
Easy·Freq 13%·Acc 86.6%
#2033Minimum Operations to Make a Uni-Value Grid
Medium·Freq 13%·Acc 70.8%
+1
#861Score After Flipping Matrix
Medium·Freq 13%·Acc 80.3%
+1
#3660Jump Game IX
Medium·Freq 13%·Acc 46.3%
#3629Minimum Jumps to Reach End via Prime Teleportation
Medium·Freq 13%·Acc 44.6%
+2
#1494Parallel Courses II
Hard·Freq 13%·Acc 31.1%
+2
#1151Minimum Swaps to Group All 1's Together
Medium·Freq 13%·Acc 61.3%
#1340Jump Game V
Hard·Freq 13%·Acc 75.8%
#3093Longest Common Suffix Queries
Hard·Freq 13%·Acc 52.6%
#975Odd Even Jump
Hard·Freq 13%·Acc 41.3%
+3
#2974Minimum Number Game
Easy·Freq 13%·Acc 85.6%
+1
#2574Left and Right Sum Differences
Easy·Freq 13%·Acc 89.6%
#948Bag of Tokens
Medium·Freq 13%·Acc 59.7%
+1
#3558Number of Ways to Assign Edge Weights I
Medium·Freq 13%·Acc 64.0%
#1840Maximum Building Height
Hard·Freq 13%·Acc 67.0%
#1189Maximum Number of Balloons
Easy·Freq 13%·Acc 64.2%
#2812Find the Safest Path in a Grid
Medium·Freq 13%·Acc 57.2%
+3
#1703Minimum Adjacent Swaps for K Consecutive Ones
Hard·Freq 13%·Acc 42.4%
+1
#3532Path Existence Queries in a Graph I
Medium·Freq 13%·Acc 70.7%
+2
#2529Maximum Count of Positive Integer and Negative Integer
Easy·Freq 13%·Acc 74.3%
#159Longest Substring with At Most Two Distinct Characters
Medium·Freq 13%·Acc 57.1%
#461Hamming Distance
Easy·Freq 13%·Acc 76.9%
#468Validate IP Address
Medium·Freq 13%·Acc 28.4%
#481Magical String
Medium·Freq 13%·Acc 55.7%
#526Beautiful Arrangement
Medium·Freq 13%·Acc 64.9%
+2
#587Erect the Fence
Hard·Freq 13%·Acc 53.1%
+2
#655Print Binary Tree
Medium·Freq 13%·Acc 66.7%
+1
#720Longest Word in Dictionary
Medium·Freq 13%·Acc 55.1%
+2
#426Convert Binary Search Tree to Sorted Doubly Linked List
Medium·Freq 13%·Acc 65.6%
+4
#784Letter Case Permutation
Medium·Freq 13%·Acc 75.9%
#834Sum of Distances in Tree
Hard·Freq 13%·Acc 65.7%
+2
#839Similar String Groups
Hard·Freq 13%·Acc 56.4%
+3
#845Longest Mountain in Array
Medium·Freq 13%·Acc 42.3%
+1
#870Advantage Shuffle
Medium·Freq 13%·Acc 54.8%
+1
#880Decoded String at Index
Medium·Freq 13%·Acc 37.4%
#889Construct Binary Tree from Preorder and Postorder Traversal
Medium·Freq 13%·Acc 78.1%
+2
#932Beautiful Array
Medium·Freq 13%·Acc 69.8%
#951Flip Equivalent Binary Trees
Medium·Freq 13%·Acc 69.5%
#958Check Completeness of a Binary Tree
Medium·Freq 13%·Acc 59.3%
#1020Number of Enclaves
Medium·Freq 13%·Acc 72.0%
+2
#1229Meeting Scheduler
Medium·Freq 13%·Acc 55.2%
#1123Lowest Common Ancestor of Deepest Leaves
Medium·Freq 13%·Acc 79.5%
+5
#1287Element Appearing More Than 25% In Sorted Array
Easy·Freq 13%·Acc 61.3%
#1360Number of Days Between Two Dates
Easy·Freq 13%·Acc 53.0%
#1190Reverse Substrings Between Each Pair of Parentheses
Medium·Freq 13%·Acc 72.0%
#2139Minimum Moves to Reach Target Score
Medium·Freq 13%·Acc 52.6%
#1514Path with Maximum Probability
Medium·Freq 13%·Acc 65.6%
+2
#1254Number of Closed Islands
Medium·Freq 13%·Acc 67.2%
+2
#1310XOR Queries of a Subarray
Medium·Freq 13%·Acc 78.0%
#1372Longest ZigZag Path in a Binary Tree
Medium·Freq 13%·Acc 67.3%
+2
#1367Linked List in Binary Tree
Medium·Freq 13%·Acc 52.0%
+1
#1424Diagonal Traverse II
Medium·Freq 13%·Acc 58.3%
#1509Minimum Difference Between Largest and Smallest Value in Three Moves
Medium·Freq 13%·Acc 59.2%
#1531String Compression II
Hard·Freq 13%·Acc 52.2%
#1529Minimum Suffix Flips
Medium·Freq 13%·Acc 74.0%
#1544Make The String Great
Easy·Freq 13%·Acc 68.6%
#1561Maximum Number of Coins You Can Get
Medium·Freq 13%·Acc 84.8%
+2
#1588Sum of All Odd Length Subarrays
Easy·Freq 13%·Acc 84.1%
#1608Special Array With X Elements Greater Than or Equal X
Easy·Freq 13%·Acc 66.9%
#1668Maximum Repeating Substring
Easy·Freq 13%·Acc 41.9%
#1671Minimum Number of Removals to Make Mountain Array
Hard·Freq 13%·Acc 54.8%
+1
#1717Maximum Score From Removing Substrings
Medium·Freq 13%·Acc 66.4%
#1859Sorting the Sentence
Easy·Freq 13%·Acc 84.1%
#1969Minimum Non-Zero Product of the Array Elements
Medium·Freq 13%·Acc 37.5%
#1986Minimum Number of Work Sessions to Finish the Tasks
Medium·Freq 13%·Acc 35.1%
+2
#2022Convert 1D Array Into 2D Array
Easy·Freq 13%·Acc 72.3%
#2259Remove Digit From Number to Maximize Result
Easy·Freq 13%·Acc 48.6%
#2449Minimum Number of Operations to Make Arrays Similar
Hard·Freq 13%·Acc 61.4%
#2468Split Message Based on Limit
Hard·Freq 13%·Acc 42.2%
#2558Take Gifts From the Richest Pile
Easy·Freq 13%·Acc 75.5%
#2597The Number of Beautiful Subsets
Medium·Freq 13%·Acc 50.9%
+4
#2629Function Composition
Easy·Freq 13%·Acc 86.8%
#2706Buy Two Chocolates
Easy·Freq 13%·Acc 68.4%
#3108Minimum Cost Walk in Weighted Graph
Hard·Freq 13%·Acc 68.2%
+1
#3152Special Array II
Medium·Freq 13%·Acc 45.8%
#3164Find the Number of Good Pairs II
Medium·Freq 13%·Acc 26.8%
#1851Minimum Interval to Include Each Query
Hard·Freq 13%·Acc 54.7%
+2
#2977Minimum Cost to Convert String II
Hard·Freq 13%·Acc 59.6%
+3
#3235Check if the Rectangle Corner Is Reachable
Hard·Freq 13%·Acc 25.2%
+3
#1410HTML Entity Parser
Medium·Freq 13%·Acc 50.1%
#1261Find Elements in a Contaminated Binary Tree
Medium·Freq 13%·Acc 84.1%
+3
#3105Longest Strictly Increasing or Strictly Decreasing Subarray
Easy·Freq 13%·Acc 64.9%
#2734Lexicographically Smallest String After Substring Operation
Medium·Freq 13%·Acc 35.2%
#1371Find the Longest Substring Containing Vowels in Even Counts
Medium·Freq 13%·Acc 75.6%
+1
#3193Count the Number of Inversions
Hard·Freq 13%·Acc 31.7%
#884Uncommon Words from Two Sentences
Easy·Freq 13%·Acc 75.8%
#170Two Sum III - Data structure design
Easy·Freq 13%·Acc 39.2%
+2
#2227Encrypt and Decrypt Strings
Hard·Freq 13%·Acc 38.7%
+2
#641Design Circular Deque
Medium·Freq 13%·Acc 64.8%
+1
#774Minimize Max Distance to Gas Station
Hard·Freq 13%·Acc 54.0%
#1813Sentence Similarity III
Medium·Freq 13%·Acc 48.4%
#3019Number of Changing Keys
Easy·Freq 13%·Acc 80.8%
#1541Minimum Insertions to Balance a Parentheses String
Medium·Freq 13%·Acc 53.6%
+1
#291Word Pattern II
Medium·Freq 13%·Acc 49.0%
#2406Divide Intervals Into Minimum Number of Groups
Medium·Freq 13%·Acc 63.6%
+3
#710Random Pick with Blacklist
Hard·Freq 13%·Acc 35.2%
+3
#919Complete Binary Tree Inserter
Medium·Freq 13%·Acc 65.2%
+1
#3326Minimum Division Operations to Make Array Non Decreasing
Medium·Freq 13%·Acc 29.4%
+1
#1549The Most Recent Orders for Each ProductSQL
Medium·Freq 13%·Acc 65.0%
#3011Find if Array Can Be Sorted
Medium·Freq 13%·Acc 66.4%
#2043Simple Bank System
Medium·Freq 13%·Acc 69.7%
+1
#2601Prime Subtraction Operation
Medium·Freq 13%·Acc 55.6%
+2
#2414Length of the Longest Alphabetical Continuous Substring
Medium·Freq 13%·Acc 61.0%
#505The Maze II
Medium·Freq 13%·Acc 55.2%
+7
#2889Reshape Data: Pivot
Easy·Freq 13%·Acc 82.9%
#2577Minimum Time to Visit a Cell In a Grid
Hard·Freq 13%·Acc 56.1%
+3
#2097Valid Arrangement of Pairs
Hard·Freq 13%·Acc 66.6%
+3
#1455Check If a Word Occurs As a Prefix of Any Word in a Sentence
Easy·Freq 13%·Acc 68.8%
#3229Minimum Operations to Make Array Equal to Target
Hard·Freq 13%·Acc 41.8%
+2
#2872Maximum Number of K-Divisible Components
Hard·Freq 13%·Acc 74.0%
#3077Maximum Strength of K Disjoint Subarrays
Hard·Freq 13%·Acc 28.1%
#2211Count Collisions on a Road
Medium·Freq 13%·Acc 58.1%
#3386Button with Longest Push Time
Easy·Freq 13%·Acc 41.3%
#2789Largest Element in an Array after Merge Operations
Medium·Freq 13%·Acc 48.1%
#1443Minimum Time to Collect All Apples in a Tree
Medium·Freq 13%·Acc 63.8%
+2
#2317Maximum XOR After Operations
Medium·Freq 13%·Acc 80.0%
#2658Maximum Number of Fish in a Grid
Medium·Freq 13%·Acc 70.3%
+2
#3309Maximum Possible Number by Binary Concatenation
Medium·Freq 13%·Acc 65.6%
#370Range Addition
Medium·Freq 13%·Acc 73.1%
#2319Check if Matrix Is X-Matrix
Easy·Freq 13%·Acc 66.9%
#3458Select K Disjoint Special Substrings
Medium·Freq 13%·Acc 19.4%
+2
#737Sentence Similarity II
Medium·Freq 13%·Acc 51.4%
+3
#2956Find Common Elements Between Two Arrays
Easy·Freq 13%·Acc 84.6%
#3169Count Days Without Meetings
Medium·Freq 13%·Acc 48.2%
#2780Minimum Index of a Valid Split
Medium·Freq 13%·Acc 75.5%
#3414Maximum Score of Non-overlapping Intervals
Hard·Freq 13%·Acc 31.8%
+1
#1962Remove Stones to Minimize the Total
Medium·Freq 13%·Acc 65.9%
#3034Number of Subarrays That Match a Pattern I
Medium·Freq 13%·Acc 68.8%
+1
#1943Describe the Painting
Medium·Freq 13%·Acc 52.7%
+1
#488Zuma Game
Hard·Freq 13%·Acc 29.5%
+2
#2570Merge Two 2D Arrays by Summing Values
Easy·Freq 13%·Acc 81.7%
#3050Pizza Toppings Cost AnalysisSQL
Medium·Freq 13%·Acc 69.0%
#2291Maximum Profit From Trading Stocks
Medium·Freq 13%·Acc 48.3%
#1864Minimum Number of Swaps to Make the Binary String Alternating
Medium·Freq 13%·Acc 44.0%
#3273Minimum Amount of Damage Dealt to Bob
Hard·Freq 13%·Acc 40.0%
#1931Painting a Grid With Three Different Colors
Hard·Freq 13%·Acc 77.0%
#3426Manhattan Distances of All Arrangements of Pieces
Hard·Freq 13%·Acc 35.7%
#397Integer Replacement
Medium·Freq 13%·Acc 37.7%
+1
#1240Tiling a Rectangle with the Fewest Squares
Hard·Freq 13%·Acc 55.1%
#3388Count Beautiful Splits in an Array
Medium·Freq 13%·Acc 19.1%
#298Binary Tree Longest Consecutive Sequence
Medium·Freq 13%·Acc 54.8%
+1
#2873Maximum Value of an Ordered Triplet I
Easy·Freq 13%·Acc 58.2%
#3362Zero Array Transformation III
Medium·Freq 13%·Acc 54.7%
+3
#3214Year on Year Growth RateSQL
Hard·Freq 13%·Acc 51.7%
#3405Count the Number of Arrays with K Matching Adjacent Elements
Hard·Freq 13%·Acc 58.2%
#2500Delete Greatest Value in Each Row
Easy·Freq 13%·Acc 80.0%
+2
#2014Longest Subsequence Repeated k Times
Hard·Freq 13%·Acc 71.1%
+3
#1763Longest Nice Substring
Easy·Freq 13%·Acc 64.5%
+2
#3598Longest Common Prefix Between Adjacent Strings After Removals
Medium·Freq 13%·Acc 32.7%
#1643Kth Smallest Instructions
Hard·Freq 13%·Acc 45.0%
+1
#2779Maximum Beauty of an Array After Applying Operation
Medium·Freq 13%·Acc 58.5%
+1
#3456Find Special Substring of Length K
Easy·Freq 13%·Acc 35.2%
#512Game Play Analysis IISQL
Easy·Freq 13%·Acc 54.8%
#2596Check Knight Tour Configuration
Medium·Freq 13%·Acc 61.7%
+2
#1610Maximum Number of Visible Points
Hard·Freq 13%·Acc 38.3%
+2
#3357Minimize the Maximum Adjacent Element Difference
Hard·Freq 13%·Acc 19.9%
#285Inorder Successor in BST
Medium·Freq 13%·Acc 51.2%
+1
#3002Maximum Size of a Set After Removals
Medium·Freq 13%·Acc 46.7%
#2566Maximum Difference by Remapping a Digit
Easy·Freq 13%·Acc 75.6%
#3438Find Valid Pair of Adjacent Digits in String
Easy·Freq 13%·Acc 61.1%
#2735Collecting Chocolates
Medium·Freq 13%·Acc 35.2%
#1639Number of Ways to Form a Target String Given a Dictionary
Hard·Freq 13%·Acc 56.4%
#1836Remove Duplicates From an Unsorted Linked List
Medium·Freq 13%·Acc 75.7%
#3021Alice and Bob Playing Flower Game
Medium·Freq 13%·Acc 60.0%
#3669Balanced K-Factor Decomposition
Medium·Freq 13%·Acc 40.4%
#3260Find the Largest Palindrome Divisible by K
Hard·Freq 13%·Acc 17.2%
+2
#2890Reshape Data: Melt
Easy·Freq 13%·Acc 85.9%
#2545Sort the Students by Their Kth Score
Medium·Freq 13%·Acc 86.0%
#2592Maximize Greatness of an Array
Medium·Freq 13%·Acc 61.9%
+1
#3100Water Bottles II
Medium·Freq 13%·Acc 78.1%
#3297Count Substrings That Can Be Rearranged to Contain a String I
Medium·Freq 13%·Acc 43.4%
#1203Sort Items by Groups Respecting Dependencies
Hard·Freq 13%·Acc 66.0%
+2
#3168Minimum Number of Chairs in a Waiting Room
Easy·Freq 13%·Acc 79.5%
#3071Minimum Operations to Write the Letter Y on a Grid
Medium·Freq 13%·Acc 64.7%
+1
#2320Count Number of Ways to Place Houses
Medium·Freq 13%·Acc 44.1%
#3664Two-Letter Card Game
Medium·Freq 13%·Acc 12.9%
+2
#444Sequence Reconstruction
Medium·Freq 13%·Acc 31.0%
+1
#1881Maximum Value after Insertion
Medium·Freq 13%·Acc 39.6%
#1948Delete Duplicate Folders in System
Hard·Freq 13%·Acc 77.4%
+4
#2389Longest Subsequence With Limited Sum
Easy·Freq 13%·Acc 73.7%
+2
#3715Sum of Perfect Square Ancestors
Hard·Freq 13%·Acc 42.8%
+4
#1446Consecutive Characters
Easy·Freq 13%·Acc 60.4%
#491Non-decreasing Subsequences
Medium·Freq 13%·Acc 62.9%
+1
#3728Stable Subarrays With Equal Boundary and Interior Sum
Medium·Freq 13%·Acc 26.5%
#2257Count Unguarded Cells in the Grid
Medium·Freq 13%·Acc 68.9%
#280Wiggle Sort
Medium·Freq 13%·Acc 68.5%
#411Minimum Unique Word Abbreviation
Hard·Freq 13%·Acc 40.5%
+1
#3608Minimum Time for K Connected Components
Medium·Freq 13%·Acc 45.7%
+1
#1551Minimum Operations to Make Array Equal
Medium·Freq 13%·Acc 82.8%
#3432Count Partitions with Even Sum Difference
Easy·Freq 13%·Acc 85.3%
#3243Shortest Distance After Road Addition Queries I
Medium·Freq 13%·Acc 61.9%
#3577Count the Number of Computer Unlocking Permutations
Medium·Freq 13%·Acc 58.9%
+1
#2562Find the Array Concatenation Value
Easy·Freq 13%·Acc 72.1%
#1018Binary Prefix Divisible By 5
Easy·Freq 13%·Acc 53.7%
#1993Operations on Tree
Medium·Freq 13%·Acc 45.7%
+3
#3743Maximize Cyclic Partition Score
Hard·Freq 13%·Acc 14.1%
#3508Implement Router
Medium·Freq 13%·Acc 39.0%
+3
#598Range Addition II
Easy·Freq 13%·Acc 58.9%
#960Delete Columns to Make Sorted III
Hard·Freq 13%·Acc 72.7%
#1390Four Divisors
Medium·Freq 13%·Acc 56.5%
+1
#1380Lucky Numbers in a Matrix
Easy·Freq 13%·Acc 80.1%
#311Sparse Matrix Multiplication
Medium·Freq 13%·Acc 69.3%
+1
#865Smallest Subtree with all the Deepest Nodes
Medium·Freq 13%·Acc 77.6%
+5
#1743Restore the Array From Adjacent Pairs
Medium·Freq 13%·Acc 75.1%
#2007Find Original Array From Doubled Array
Medium·Freq 13%·Acc 40.9%
+1
#1513Number of Substrings With Only 1s
Medium·Freq 13%·Acc 57.4%
#2637Promise Time Limit
Medium·Freq 13%·Acc 83.3%
#3780Maximum Sum of Three Numbers Divisible by Three
Medium·Freq 13%·Acc 47.6%
+1
#665Non-decreasing Array
Medium·Freq 13%·Acc 25.5%
#1804Implement Trie II (Prefix Tree)
Medium·Freq 13%·Acc 63.5%
+1
#2513Minimize the Maximum of Two Arrays
Medium·Freq 13%·Acc 32.5%
+2
#1413Minimum Value to Get Positive Step by Step Sum
Easy·Freq 13%·Acc 64.8%
#2498Frog Jump II
Medium·Freq 13%·Acc 62.4%
#3484Design Spreadsheet
Medium·Freq 13%·Acc 73.9%
+2
#565Array Nesting
Medium·Freq 13%·Acc 56.7%
#363Max Sum of Rectangle No Larger Than K
Hard·Freq 13%·Acc 45.7%
+2
#3227Vowels Game in a String
Medium·Freq 13%·Acc 77.1%
+1
#2457Minimum Addition to Make Integer Beautiful
Medium·Freq 13%·Acc 38.8%
#2383Minimum Hours of Training to Win a Competition
Easy·Freq 13%·Acc 42.7%
#3028Ant on the Boundary
Easy·Freq 13%·Acc 74.6%
#2503Maximum Number of Points From Grid Queries
Hard·Freq 13%·Acc 59.2%
+4
#3796Find Maximum Value in a Constrained Sequence
Medium·Freq 13%·Acc 62.5%
#804Unique Morse Code Words
Easy·Freq 13%·Acc 83.7%
#687Longest Univalue Path
Medium·Freq 13%·Acc 44.1%
+1
#2808Minimum Seconds to Equalize a Circular Array
Medium·Freq 13%·Acc 28.9%
#476Number Complement
Easy·Freq 13%·Acc 70.5%
#2131Longest Palindrome by Concatenating Two Letter Words
Medium·Freq 13%·Acc 53.5%
+2
#2788Split Strings by Separator
Easy·Freq 13%·Acc 76.4%
#956Tallest Billboard
Hard·Freq 13%·Acc 51.9%
+2
#527Word Abbreviation
Hard·Freq 13%·Acc 62.8%
+2
#3521Find Product Recommendation PairsSQL
Medium·Freq 13%·Acc 62.1%
#569Median Employee SalarySQL
Hard·Freq 13%·Acc 65.8%
#1758Minimum Changes To Make Alternating Binary String
Easy·Freq 13%·Acc 67.8%
#1228Missing Number In Arithmetic Progression
Easy·Freq 13%·Acc 52.2%
#3129Find All Possible Stable Binary Arrays I
Medium·Freq 13%·Acc 53.6%
#3795Minimum Subarray Length With Distinct Sum At Least K
Medium·Freq 13%·Acc 32.0%
#3427Sum of Variable Length Subarrays
Easy·Freq 13%·Acc 85.8%
#1953Maximum Number of Weeks for Which You Can Work
Medium·Freq 13%·Acc 42.6%
#2568Minimum Impossible OR
Medium·Freq 13%·Acc 59.3%
#3567Minimum Absolute Difference in Sliding Submatrix
Medium·Freq 13%·Acc 78.8%
#855Exam Room
Medium·Freq 13%·Acc 43.6%
#1711Count Good Meals
Medium·Freq 13%·Acc 32.9%
#3546Equal Sum Grid Partition I
Medium·Freq 13%·Acc 52.9%
+1
#3212Count Submatrices With Equal Frequency of X and Y
Medium·Freq 13%·Acc 69.7%
#1912Design Movie Rental System
Hard·Freq 13%·Acc 62.2%
+2
#2946Matrix Similarity After Cyclic Shifts
Easy·Freq 13%·Acc 74.4%
+1
#2723Add Two Promises
Easy·Freq 13%·Acc 91.7%
#2840Check if Strings Can be Made Equal With Operations II
Medium·Freq 13%·Acc 74.1%
#3474Lexicographically Smallest Generated String
Hard·Freq 13%·Acc 53.5%
#877Stone Game
Medium·Freq 13%·Acc 73.5%
+3
#3828Final Element After Subarray Deletions
Medium·Freq 13%·Acc 40.9%
+1
#2039The Time When the Network Becomes Idle
Medium·Freq 13%·Acc 55.8%
#3740Minimum Distance Between Three Equal Elements I
Easy·Freq 13%·Acc 73.4%
#3741Minimum Distance Between Three Equal Elements II
Medium·Freq 13%·Acc 74.7%
#3493Properties Graph
Medium·Freq 13%·Acc 49.1%
+3
#3266Final Array State After K Multiplication Operations II
Hard·Freq 13%·Acc 13.6%
#2463Minimum Total Distance Traveled
Hard·Freq 13%·Acc 63.1%
#2024Maximize the Confusion of an Exam
Medium·Freq 13%·Acc 70.2%
+1
#1857Largest Color Value in a Directed Graph
Hard·Freq 13%·Acc 57.2%
+5
#2452Words Within Two Edits of Dictionary
Medium·Freq 13%·Acc 73.4%
#1564Put Boxes Into the Warehouse I
Medium·Freq 13%·Acc 67.7%
#2470Number of Subarrays With LCM Equal to K
Medium·Freq 13%·Acc 46.2%
#3857Minimum Cost to Split into Ones
Medium·Freq 13%·Acc 82.6%
#1696Jump Game VI
Medium·Freq 13%·Acc 46.5%
+2
#1206Design Skiplist
Hard·Freq 13%·Acc 59.8%
#1914Cyclically Rotating a Grid
Medium·Freq 13%·Acc 74.1%
#3928Minimum Cost to Buy Apples II
Hard·Freq 13%·Acc 31.8%
+1
#2057Smallest Index With Equal Value
Easy·Freq 13%·Acc 73.4%
#1945Sum of Digits of String After Convert
Easy·Freq 13%·Acc 74.8%
#854K-Similar Strings
Hard·Freq 13%·Acc 41.1%
#551Student Attendance Record I
Easy·Freq 13%·Acc 50.3%
#2670Find the Distinct Difference Array
Easy·Freq 13%·Acc 76.7%
#823Binary Trees With Factors
Medium·Freq 13%·Acc 53.1%
+1
#856Score of Parentheses
Medium·Freq 13%·Acc 63.5%
#3691Maximum Total Subarray Value II
Hard·Freq 13%·Acc 41.7%
+1
#1441Build an Array With Stack Operations
Medium·Freq 13%·Acc 80.8%
#3412Find Mirror Score of a String
Medium·Freq 13%·Acc 36.0%
+1
#668Kth Smallest Number in Multiplication Table
Hard·Freq 13%·Acc 54.4%
#3559Number of Ways to Assign Edge Weights II
Hard·Freq 13%·Acc 72.5%
+3
#3961Maximize Sum of Device Ratings
Medium·Freq 13%·Acc 39.2%
#3469Find Minimum Cost to Remove Array Elements
Medium·Freq 13%·Acc 22.0%
#1005Maximize Sum Of Array After K Negations
Easy·Freq 13%·Acc 54.1%
#1987Number of Unique Good Subsequences
Hard·Freq 13%·Acc 52.5%
#3700Number of ZigZag Arrays II
Hard·Freq 13%·Acc 67.6%
#2603Collect Coins in a Tree
Hard·Freq 13%·Acc 39.5%
+1
#914X of a Kind in a Deck of Cards
Easy·Freq 13%·Acc 30.4%
+4
#1972First and Last Call On the Same DaySQL
Hard·Freq 13%·Acc 51.2%
#3901Good Subsequence Queries
Hard·Freq 13%·Acc 20.2%
+1
#3000Maximum Area of Longest Diagonal Rectangle
Easy·Freq 13%·Acc 45.9%
#3739Count Subarrays With Majority Element II
Hard·Freq 13%·Acc 64.9%
+3
#357Count Numbers with Unique Digits
Medium·Freq 13%·Acc 55.9%
#1797Design Authentication Manager
Medium·Freq 13%·Acc 58.7%
+1
#639Decode Ways II
Hard·Freq 13%·Acc 32.0%
#1579Remove Max Number of Edges to Keep Graph Fully Traversable
Hard·Freq 13%·Acc 70.1%
#1301Number of Paths with Max Score
Hard·Freq 13%·Acc 64.3%
#1905Count Sub Islands
Medium·Freq 13%·Acc 73.0%
+2
#864Shortest Path to Get All Keys
Hard·Freq 13%·Acc 54.8%
+1
#2271Maximum White Tiles Covered by a Carpet
Medium·Freq 13%·Acc 36.1%
+3
#376Wiggle Subsequence
Medium·Freq 13%·Acc 49.6%
#818Race Car
Hard·Freq 13%·Acc 44.9%
#3754Concatenate Non-Zero Digits and Multiply by Sum I
Easy·Freq 13%·Acc 66.3%
#925Long Pressed Name
Easy·Freq 13%·Acc 33.0%
#1537Get the Maximum Score
Hard·Freq 13%·Acc 41.3%
+1
#2828Check if a String Is an Acronym of Words
Easy·Freq 13%·Acc 83.1%
#3534Path Existence Queries in a Graph II
Hard·Freq 13%·Acc 64.6%
+5
#607Sales Person
Easy·Freq 13%·Acc 66.1%
#712Minimum ASCII Delete Sum for Two Strings
Medium·Freq 13%·Acc 71.1%
#885Spiral Matrix III
Medium·Freq 13%·Acc 84.6%
#1105Filling Bookcase Shelves
Medium·Freq 13%·Acc 68.6%
#1389Create Target Array in the Given Order
Easy·Freq 13%·Acc 86.5%
#2092Find All People With Secret
Hard·Freq 13%·Acc 48.4%
#2352Equal Row and Column Pairs
Medium·Freq 13%·Acc 71.1%
#2694Event Emitter
Medium·Freq 13%·Acc 75.2%
#2864Maximum Odd Binary Number
Easy·Freq 13%·Acc 82.9%
#3151Special Array I
Easy·Freq 13%·Acc 81.6%
#2191Sort the Jumbled Numbers
Medium·Freq 13%·Acc 60.0%
#1216Valid Palindrome III
Hard·Freq 13%·Acc 49.2%
#1460Make Two Arrays Equal by Reversing Subarrays
Easy·Freq 13%·Acc 75.8%
#1508Range Sum of Sorted Subarray Sums
Medium·Freq 13%·Acc 63.0%
#2074Reverse Nodes in Even Length Groups
Medium·Freq 13%·Acc 64.7%
#1568Minimum Number of Days to Disconnect Island
Hard·Freq 13%·Acc 58.7%
#624Maximum Distance in Arrays
Medium·Freq 13%·Acc 45.6%
#1937Maximum Number of Points with Cost
Medium·Freq 13%·Acc 41.7%
#2334Subarray With Elements Greater Than Varying Threshold
Hard·Freq 13%·Acc 45.8%
#3159Find Occurrences of an Element in an Array
Medium·Freq 13%·Acc 73.6%
#3264Final Array State After K Multiplication Operations I
Easy·Freq 13%·Acc 86.9%
#3223Minimum Length of String After Operations
Medium·Freq 13%·Acc 75.1%
#3449Maximize the Minimum Game Score
Hard·Freq 13%·Acc 26.6%
#2656Maximum Sum With Exactly K Elements
Easy·Freq 13%·Acc 80.2%
#3230Customer Purchasing Behavior Analysis
Medium·Freq 13%·Acc 36.5%
#3424Minimum Cost to Make Arrays Identical
Medium·Freq 13%·Acc 38.0%
#2427Number of Common Factors
Easy·Freq 13%·Acc 80.2%
#1198Find Smallest Common Element in All Rows
Medium·Freq 13%·Acc 76.8%
#1370Increasing Decreasing String
Easy·Freq 13%·Acc 77.4%
#1006Clumsy Factorial
Medium·Freq 13%·Acc 61.7%
#2785Sort Vowels in a String
Medium·Freq 13%·Acc 83.5%
#3069Distribute Elements Into Two Arrays I
Easy·Freq 13%·Acc 74.2%
#1978Employees Whose Manager Left the Company
Easy·Freq 13%·Acc 48.8%
#3312Sorted GCD Pair Queries
Hard·Freq 10%·Acc 0.6%
+7
#3536Maximum Product of Two Digits
Easy·Freq 10%·Acc 0.8%
#2996Smallest Missing Integer Greater Than Sequential Prefix Sum
Easy·Freq 10%·Acc 0.5%
#2009Minimum Number of Operations to Make Array Continuous
Hard·Freq 7%·Acc 0.5%
+1
#1314Matrix Block Sum
Medium·Freq 7%·Acc 0.8%
#3514Number of Unique XOR Triplets II
Medium·Freq 7%·Acc 0.5%
+1
#1406Stone Game III
Hard·Freq 7%·Acc 0.7%
+3
#3310Remove Methods From Project
Medium·Freq 7%·Acc 0.7%
#3302Find the Lexicographically Smallest Valid Sequence
Medium·Freq 7%·Acc 0.6%
+1
#2739Total Distance Traveled
Easy·Freq 5%·Acc 0.4%
#2045Second Minimum Time to Reach Destination
Hard·Freq 5%·Acc 0.6%
+2
#3336Find the Number of Subsequences With Equal GCD
Hard·Freq 5%·Acc 0.7%
+3
#1159Market Analysis IISQL
Hard·Freq 5%·Acc 0.6%
#1952Three Divisors
Easy·Freq 5%·Acc 0.6%
+2
#7171-bit and 2-bit Characters
Easy·Freq 5%·Acc 0.5%
#1675Minimize Deviation in Array
Hard·Freq 5%·Acc 0.5%
+1
#765Couples Holding Hands
Hard·Freq 5%·Acc 0.6%
+2
#659Split Array into Consecutive Subsequences
Medium·Freq 5%·Acc 0.5%
+1
#3501Maximize Active Section with Trade II
Hard·Freq 5%·Acc 0.6%
+1
#671Second Minimum Node In a Binary Tree
Easy·Freq 5%·Acc 0.5%
#3513Number of Unique XOR Triplets I
Medium·Freq 5%·Acc 0.6%
#2451Odd String Difference
Easy·Freq 5%·Acc 0.6%
#3254Find the Power of K-Size Subarrays I
Medium·Freq 5%·Acc 0.6%
#2399Check Distances Between Same Letters
Easy·Freq 5%·Acc 0.7%
#2407Longest Increasing Subsequence II
Hard·Freq 5%·Acc 0.3%
+4
#3584Maximum Product of First and Last Elements of a Subsequence
Medium·Freq 5%·Acc 0.3%
#3995Minimum Cost to Convert String III
Hard·Freq 5%·Acc 0.6%
#965Univalued Binary Tree
Easy·Freq 5%·Acc 0.7%
+1
#1247Minimum Swaps to Make Strings Equal
Medium·Freq 5%·Acc 0.7%
#2697Lexicographically Smallest Palindrome
Easy·Freq 5%·Acc 0.8%
#4007Widest Possible Fence
Medium·Freq 5%·Acc 0.2%
#1202Smallest String With Swaps
Medium·Freq 5%·Acc 0.6%
+4
#3731Find Missing Elements
Easy·Freq 5%·Acc 0.9%
#2850Minimum Moves to Spread Stones Over Grid
Medium·Freq 5%·Acc 0.5%
+3
#1231Divide Chocolate
Hard·Freq 5%·Acc 0.6%
#3042Count Prefix and Suffix Pairs I
Easy·Freq 5%·Acc 0.8%
+3
#2499Minimum Total Cost to Make Arrays Unequal
Hard·Freq 5%·Acc 0.4%
+1
#3348Smallest Divisible Digit Product II
Hard·Freq 5%·Acc 0.5%
+2
#2652Sum Multiples
Easy·Freq 5%·Acc 0.9%
#307Range Sum Query - Mutable
Medium·Freq 5%·Acc 0.4%
+3
#2607Make K-Subarray Sums Equal
Medium·Freq 5%·Acc 0.4%
+2
#1024Video Stitching
Medium·Freq 5%·Acc 0.5%
#3161Block Placement Queries
Hard·Freq 5%·Acc 0.4%
+2
#2183Count Array Pairs Divisible by K
Hard·Freq 5%·Acc 0.3%
+4
#3760Maximum Substrings With Distinct Start
Medium·Freq 5%·Acc 0.9%
#3925Concatenate Array With Reverse
Easy·Freq 5%·Acc 0.9%
#2623Memoize
Medium·Freq 5%·Acc 0.7%
#2080Range Frequency Queries
Medium·Freq 5%·Acc 0.4%
+2
#3709Design Exam Scores Tracker
Medium·Freq 5%·Acc 0.4%
+1
#2514Count Anagrams
Hard·Freq 5%·Acc 0.4%
+3
#2213Longest Substring of One Repeating Character
Hard·Freq 5%·Acc 0.7%
+1
#3345Smallest Divisible Digit Product I
Easy·Freq 5%·Acc 0.7%
#1947Maximum Compatibility Score Sum
Medium·Freq 5%·Acc 0.6%
+9
#2179Count Good Triplets in an Array
Hard·Freq 5%·Acc 0.7%
+4
Showing 2045 of 2045 questionsWindow: All Time

Amazon Technical Interview Overview & Company-Wise Questions

Software engineering and technical interviews at Amazon emphasize real-world problem solving, algorithmic efficiency, and scalable data structure design. The curated dataset above contains 2045 verified LeetCode problems, categorized by frequency and filtered across recent interview seasons.

Frequently Asked Questions

What are the top LeetCode questions for Amazon?

Leading questions include Two Sum, LRU Cache, Trapping Rain Water. Reviewing questions with higher recency (within the last 30 to 90 days) yields the highest return on preparation time.

Where can I practice company-wise LeetCode questions for Amazon?

You can practice all 2045 Amazon LeetCode questions right here on LeetMap Pro. Filter by 30-day, 3-month, and 6-month recency, track your progress with local checkpoints, and practice curated SQL problems completely free.

How should I prepare for Amazon coding rounds?

Begin by reviewing Medium-difficulty problems (1105 tracked), which constitute the majority of technical rounds. Complement coding practice with foundational DSA patterns like Sliding Window, Two Pointers, and Graph Traversal.

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