What are the most frequent LeetCode questions for TikTok?

The top problems asked in TikTok technical interviews include LRU Cache, Number of Islands, Longest Increasing Subsequence. In total, 353 verified problems are tracked across Easy (34), Medium (247), and Hard (72) tiers.

Where can I find company-wise LeetCode questions for TikTok?

LeetMap Pro provides a complete, verified list of 353 company-wise TikTok coding interview questions filtered by 30-day, 3-month, and 6-month recency windows, 100% free with no paywall or subscription.

How does LeetMap track TikTok interview problem recency?

LeetMap weights problem occurrences across 30-day, 3-month, and 6-month recency windows to ensure candidates focus on problems actively being asked in the current hiring cycle.

What difficulty distribution should I expect in TikTok coding rounds?

For TikTok, Medium difficulty problems represent the largest share (247 problems), followed by Easy (34) and Hard (72). Mastering foundational patterns like Trees, Graphs, and Dynamic Programming is essential.

TikTokLeetCode Questions

Verified

353 questions·34 Easy·247 Medium·72 Hard

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

SQL (2)

⌘K

#146LRU Cache

Medium·Freq 100%·Acc 47.6%

#200Number of Islands

Medium·Freq 100%·Acc 64.7%

#300Longest Increasing Subsequence

Medium·Freq 90%·Acc 59.7%

#3Longest Substring Without Repeating Characters

Medium·Freq 88%·Acc 39.4%

#694Number of Distinct Islands

Medium·Freq 88%·Acc 62.9%

#210Course Schedule II

Medium·Freq 88%·Acc 55.9%

#253Meeting Rooms II

Medium·Freq 88%·Acc 52.7%

#42Trapping Rain Water

Hard·Freq 88%·Acc 67.7%

#56Merge Intervals

Medium·Freq 88%·Acc 52.3%

#207Course Schedule

Medium·Freq 88%·Acc 51.8%

#2334Subarray With Elements Greater Than Varying Threshold

Hard·Freq 88%·Acc 45.8%

#68Text Justification

Hard·Freq 80%·Acc 51.5%

#394Decode String

Medium·Freq 76%·Acc 62.9%

#5Longest Palindromic Substring

Medium·Freq 75%·Acc 38.2%

#33Search in Rotated Sorted Array

Medium·Freq 75%·Acc 45.2%

#76Minimum Window Substring

Hard·Freq 75%·Acc 47.9%

#79Word Search

Medium·Freq 75%·Acc 47.7%

#51N-Queens

Hard·Freq 75%·Acc 76.0%

#153Sum

Medium·Freq 75%·Acc 39.4%

#54Spiral Matrix

Medium·Freq 75%·Acc 57.2%

#322Coin Change

Medium·Freq 75%·Acc 48.7%

#560Subarray Sum Equals K

Medium·Freq 75%·Acc 47.7%

#1151Minimum Swaps to Group All 1's Together

Medium·Freq 75%·Acc 61.3%

#347Top K Frequent Elements

Medium·Freq 75%·Acc 66.8%

#69Sqrt(x)

Easy·Freq 75%·Acc 42.1%

#128Longest Consecutive Sequence

Medium·Freq 70%·Acc 47.2%

#23Merge k Sorted Lists

Hard·Freq 68%·Acc 60.0%

#670Maximum Swap

Medium·Freq 68%·Acc 52.1%

#827Making A Large Island

Hard·Freq 68%·Acc 56.9%

#20Valid Parentheses

Easy·Freq 67%·Acc 44.5%

#198House Robber

Medium·Freq 67%·Acc 53.4%

#772Basic Calculator III

Hard·Freq 67%·Acc 53.4%

#1405Longest Happy String

Medium·Freq 67%·Acc 65.5%

#1802Maximum Value at a Given Index in a Bounded Array

Medium·Freq 67%·Acc 38.9%

#1146Snapshot Array

Medium·Freq 67%·Acc 36.8%

#1Two Sum

Easy·Freq 65%·Acc 57.8%

#121Best Time to Buy and Sell Stock

Easy·Freq 65%·Acc 57.0%

#227Basic Calculator II

Medium·Freq 65%·Acc 47.0%

#127Word Ladder

Hard·Freq 63%·Acc 46.0%

#215Kth Largest Element in an Array

Medium·Freq 63%·Acc 69.1%

#329Longest Increasing Path in a Matrix

Hard·Freq 63%·Acc 56.8%

#380Insert Delete GetRandom O(1)

Medium·Freq 63%·Acc 55.4%

#678Valid Parenthesis String

Medium·Freq 63%·Acc 40.3%

#22Generate Parentheses

Medium·Freq 63%·Acc 78.9%

#75Sort Colors

Medium·Freq 63%·Acc 70.0%

#295Find Median from Data Stream

Hard·Freq 63%·Acc 54.7%

#415Add Strings

Easy·Freq 63%·Acc 52.2%

#2402Meeting Rooms III

Hard·Freq 63%·Acc 51.4%

#739Daily Temperatures

Medium·Freq 63%·Acc 68.9%

#706Design HashMap

Easy·Freq 63%·Acc 66.7%

#212Word Search II

Hard·Freq 63%·Acc 38.6%

#72Edit Distance

Medium·Freq 63%·Acc 60.9%

#105Construct Binary Tree from Preorder and Inorder Traversal

Medium·Freq 63%·Acc 69.1%

#124Binary Tree Maximum Path Sum

Hard·Freq 63%·Acc 42.5%

#140Word Break II

Hard·Freq 63%·Acc 55.8%

#143Reorder List

Medium·Freq 63%·Acc 65.7%

#2145Count the Hidden Sequences

Medium·Freq 63%·Acc 56.7%

#297Serialize and Deserialize Binary Tree

Hard·Freq 63%·Acc 61.1%

#695Max Area of Island

Medium·Freq 63%·Acc 74.1%

#3389Minimum Operations to Make Character Frequencies Equal

Hard·Freq 63%·Acc 26.7%

#3441Minimum Cost Good Caption

Hard·Freq 63%·Acc 21.1%

#3474Lexicographically Smallest Generated String

Hard·Freq 63%·Acc 53.5%

#71Simplify Path

Medium·Freq 63%·Acc 50.9%

#199Binary Tree Right Side View

Medium·Freq 63%·Acc 70.7%

#206Reverse Linked List

Easy·Freq 63%·Acc 80.8%

#224Basic Calculator

Hard·Freq 63%·Acc 47.0%

#70Climbing Stairs

Easy·Freq 63%·Acc 54.2%

#2414Length of the Longest Alphabetical Continuous Substring

Medium·Freq 63%·Acc 61.0%

#2456Most Popular Video Creator

Medium·Freq 63%·Acc 45.5%

#2523Closest Prime Numbers in Range

Medium·Freq 63%·Acc 51.9%

#2640Find the Score of All Prefixes of an Array

Medium·Freq 63%·Acc 73.0%

#2799Count Complete Subarrays in an Array

Medium·Freq 63%·Acc 76.0%

#815Bus Routes

Hard·Freq 63%·Acc 47.4%

#3086Minimum Moves to Pick K Ones

Hard·Freq 63%·Acc 21.8%

#1293Shortest Path in a Grid with Obstacles Elimination

Hard·Freq 63%·Acc 46.5%

#1860Incremental Memory Leak

Medium·Freq 63%·Acc 72.9%

#34Find First and Last Position of Element in Sorted Array

Medium·Freq 57%·Acc 49.3%

#974Subarray Sums Divisible by K

Medium·Freq 57%·Acc 56.5%

#11Container With Most Water

Medium·Freq 54%·Acc 60.4%

#39Combination Sum

Medium·Freq 54%·Acc 76.8%

#55Jump Game

Medium·Freq 54%·Acc 41.2%

#139Word Break

Medium·Freq 54%·Acc 49.6%

#162Find Peak Element

Medium·Freq 54%·Acc 47.1%

#316Remove Duplicate Letters

Medium·Freq 54%·Acc 53.5%

#417Pacific Atlantic Water Flow

Medium·Freq 54%·Acc 61.2%

#886Possible Bipartition

Medium·Freq 54%·Acc 52.8%

#994Rotting Oranges

Medium·Freq 54%·Acc 59.0%

#934Shortest Bridge

Medium·Freq 54%·Acc 59.6%

#211Design Add and Search Words Data Structure

Medium·Freq 54%·Acc 48.7%

#10Regular Expression Matching

Hard·Freq 51%·Acc 31.2%

#25Reverse Nodes in k-Group

Hard·Freq 51%·Acc 66.6%

#46Permutations

Medium·Freq 51%·Acc 82.1%

#49Group Anagrams

Medium·Freq 51%·Acc 72.9%

#165Compare Version Numbers

Medium·Freq 51%·Acc 46.7%

#209Minimum Size Subarray Sum

Medium·Freq 51%·Acc 52.2%

#236Lowest Common Ancestor of a Binary Tree

Medium·Freq 51%·Acc 69.7%

#239Sliding Window Maximum

Hard·Freq 51%·Acc 49.0%

#252Meeting Rooms

Easy·Freq 51%·Acc 59.5%

#269Alien Dictionary

Hard·Freq 51%·Acc 37.3%

#395Longest Substring with At Least K Repeating Characters

Medium·Freq 51%·Acc 46.4%

#399Evaluate Division

Medium·Freq 51%·Acc 64.4%

#875Koko Eating Bananas

Medium·Freq 51%·Acc 50.2%

#528Random Pick with Weight

Medium·Freq 51%·Acc 49.2%

#134Gas Station

Medium·Freq 51%·Acc 48.3%

#1071Greatest Common Divisor of Strings

Easy·Freq 51%·Acc 54.0%

#2021Brightest Position on Street

Medium·Freq 51%·Acc 60.7%

#14Longest Common Prefix

Easy·Freq 50%·Acc 47.9%

#32Longest Valid Parentheses

Hard·Freq 50%·Acc 39.1%

#43Multiply Strings

Medium·Freq 50%·Acc 44.4%

#45Jump Game II

Medium·Freq 50%·Acc 43.1%

#53Maximum Subarray

Medium·Freq 50%·Acc 53.5%

#78Subsets

Medium·Freq 50%·Acc 82.5%

#93Restore IP Addresses

Medium·Freq 50%·Acc 56.4%

#122Best Time to Buy and Sell Stock II

Medium·Freq 50%·Acc 71.3%

#153Find Minimum in Rotated Sorted Array

Medium·Freq 50%·Acc 55.0%

#189Rotate Array

Medium·Freq 50%·Acc 45.2%

#416Partition Equal Subset Sum

Medium·Freq 50%·Acc 49.7%

#588Design In-Memory File System

Hard·Freq 50%·Acc 48.3%

#1011Capacity To Ship Packages Within D Days

Medium·Freq 50%·Acc 74.3%

#1249Minimum Remove to Make Valid Parentheses

Medium·Freq 50%·Acc 71.5%

#1539Kth Missing Positive Number

Easy·Freq 50%·Acc 63.7%

#473Matchsticks to Square

Medium·Freq 50%·Acc 42.1%

#365Water and Jug Problem

Medium·Freq 50%·Acc 45.9%

#887Super Egg Drop

Hard·Freq 50%·Acc 30.6%

#845Longest Mountain in Array

Medium·Freq 50%·Acc 42.3%

#31Next Permutation

Medium·Freq 50%·Acc 45.6%

#47Permutations II

Medium·Freq 50%·Acc 63.7%

#64Minimum Path Sum

Medium·Freq 50%·Acc 68.5%

#283Move Zeroes

Easy·Freq 50%·Acc 64.1%

#301Remove Invalid Parentheses

Hard·Freq 50%·Acc 50.0%

#403Frog Jump

Hard·Freq 50%·Acc 47.4%

#2468Split Message Based on Limit

Hard·Freq 50%·Acc 42.2%

#735Asteroid Collision

Medium·Freq 50%·Acc 48.4%

#767Reorganize String

Medium·Freq 50%·Acc 57.3%

#1209Remove All Adjacent Duplicates in String II

Medium·Freq 50%·Acc 61.6%

#442Find All Duplicates in an Array

Medium·Freq 50%·Acc 77.0%

#1584Min Cost to Connect All Points

Medium·Freq 50%·Acc 71.3%

#1466Reorder Routes to Make All Paths Lead to the City Zero

Medium·Freq 50%·Acc 66.0%

#902Numbers At Most N Given Digit Set

Hard·Freq 50%·Acc 45.6%

#298Binary Tree Longest Consecutive Sequence

Medium·Freq 50%·Acc 54.8%

#1248Count Number of Nice Subarrays

Medium·Freq 50%·Acc 75.4%

#84Largest Rectangle in Histogram

Hard·Freq 50%·Acc 50.3%

#581Shortest Unsorted Continuous Subarray

Medium·Freq 50%·Acc 38.4%

#3071Minimum Operations to Write the Letter Y on a Grid

Medium·Freq 50%·Acc 64.7%

#1462Course Schedule IV

Medium·Freq 50%·Acc 60.0%

#787Cheapest Flights Within K Stops

Medium·Freq 50%·Acc 42.2%

#103Binary Tree Zigzag Level Order Traversal

Medium·Freq 50%·Acc 64.1%

#378Kth Smallest Element in a Sorted Matrix

Medium·Freq 50%·Acc 64.8%

#426Convert Binary Search Tree to Sorted Doubly Linked List

Medium·Freq 50%·Acc 65.6%

#1530Number of Good Leaf Nodes Pairs

Medium·Freq 50%·Acc 71.8%

#3043Find the Length of the Longest Common Prefix

Medium·Freq 50%·Acc 62.3%

#160Intersection of Two Linked Lists

Easy·Freq 50%·Acc 64.2%

#286Walls and Gates

Medium·Freq 50%·Acc 64.1%

#856Score of Parentheses

Medium·Freq 50%·Acc 63.5%

#924Minimize Malware Spread

Hard·Freq 50%·Acc 43.3%

#2850Minimum Moves to Spread Stones Over Grid

Medium·Freq 50%·Acc 45.8%

#77Combinations

Medium·Freq 50%·Acc 74.8%

#340Longest Substring with At Most K Distinct Characters

Medium·Freq 48%·Acc 50.1%

#432All O`one Data Structure

Hard·Freq 44%·Acc 44.4%

#24Swap Nodes in Pairs

Medium·Freq 39%·Acc 69.8%

#123Best Time to Buy and Sell Stock III

Hard·Freq 39%·Acc 54.2%

#159Longest Substring with At Most Two Distinct Characters

Medium·Freq 39%·Acc 57.1%

#2115Find All Possible Recipes from Given Supplies

Medium·Freq 39%·Acc 57.0%

#188Best Time to Buy and Sell Stock IV

Hard·Freq 39%·Acc 50.7%

#213House Robber II

Medium·Freq 39%·Acc 45.2%

#221Maximal Square

Medium·Freq 39%·Acc 50.6%

#348Design Tic-Tac-Toe

Medium·Freq 39%·Acc 58.8%

#74Search a 2D Matrix

Medium·Freq 39%·Acc 54.3%

#402Remove K Digits

Medium·Freq 39%·Acc 37.2%

#2422Merge Operations to Turn Array Into a Palindrome

Medium·Freq 39%·Acc 68.9%

#642Design Search Autocomplete System

Hard·Freq 39%·Acc 50.0%

#752Open the Lock

Medium·Freq 39%·Acc 61.4%

#1004Max Consecutive Ones III

Medium·Freq 39%·Acc 68.0%

#1091Shortest Path in Binary Matrix

Medium·Freq 39%·Acc 51.8%

#1143Longest Common Subsequence

Medium·Freq 39%·Acc 59.3%

#1944Number of Visible People in a Queue

Hard·Freq 39%·Acc 73.3%

#1245Tree Diameter

Medium·Freq 39%·Acc 61.3%

#628Maximum Product of Three Numbers

Easy·Freq 39%·Acc 46.1%

#909Snakes and Ladders

Medium·Freq 39%·Acc 48.2%

#6502 Keys Keyboard

Medium·Freq 39%·Acc 59.4%

#1813Sentence Similarity III

Medium·Freq 39%·Acc 48.4%

#63Unique Paths II

Medium·Freq 39%·Acc 44.7%

#2673Make Costs of Paths Equal in a Binary Tree

Medium·Freq 39%·Acc 58.8%

#983Minimum Cost For Tickets

Medium·Freq 39%·Acc 67.5%

#959Regions Cut By Slashes

Medium·Freq 39%·Acc 77.6%

#2502Design Memory Allocator

Medium·Freq 39%·Acc 50.4%

#489Robot Room Cleaner

Hard·Freq 39%·Acc 78.0%

#437Path Sum III

Medium·Freq 39%·Acc 46.5%

#21Merge Two Sorted Lists

Easy·Freq 38%·Acc 68.5%

#40Combination Sum II

Medium·Freq 38%·Acc 59.7%

#80Remove Duplicates from Sorted Array II

Medium·Freq 38%·Acc 64.9%

#92Reverse Linked List II

Medium·Freq 38%·Acc 51.9%

#113Path Sum II

Medium·Freq 38%·Acc 62.5%

#125Valid Palindrome

Easy·Freq 38%·Acc 53.7%

#148Sort List

Medium·Freq 38%·Acc 64.8%

#151Reverse Words in a String

Medium·Freq 38%·Acc 57.0%

#152Maximum Product Subarray

Medium·Freq 38%·Acc 36.7%

#2096Step-By-Step Directions From a Binary Tree Node to Another

Medium·Freq 38%·Acc 56.5%

#179Largest Number

Medium·Freq 38%·Acc 43.3%

#317Shortest Distance from All Buildings

Hard·Freq 38%·Acc 45.0%

#381Insert Delete GetRandom O(1) - Duplicates allowed

Hard·Freq 38%·Acc 36.7%

#435Non-overlapping Intervals

Medium·Freq 38%·Acc 57.4%

#443String Compression

Medium·Freq 38%·Acc 60.3%

#460LFU Cache

Hard·Freq 38%·Acc 49.7%

#518Coin Change II

Medium·Freq 38%·Acc 59.6%

#525Contiguous Array

Medium·Freq 38%·Acc 51.7%

#621Task Scheduler

Medium·Freq 38%·Acc 63.4%

#662Maximum Width of Binary Tree

Medium·Freq 38%·Acc 45.8%

#680Valid Palindrome II

Easy·Freq 38%·Acc 44.5%

#714Best Time to Buy and Sell Stock with Transaction Fee

Medium·Freq 38%·Acc 72.3%

#726Number of Atoms

Hard·Freq 38%·Acc 65.2%

#785Is Graph Bipartite?

Medium·Freq 38%·Acc 59.6%

#799Champagne Tower

Medium·Freq 38%·Acc 64.1%

#907Sum of Subarray Minimums

Medium·Freq 38%·Acc 38.8%

#945Minimum Increment to Make Array Unique

Medium·Freq 38%·Acc 60.7%

#1010Pairs of Songs With Total Durations Divisible by 60

Medium·Freq 38%·Acc 53.5%

#1268Search Suggestions System

Medium·Freq 38%·Acc 65.2%

#1335Minimum Difficulty of a Job Schedule

Hard·Freq 38%·Acc 59.8%

#1423Maximum Points You Can Obtain from Cards

Medium·Freq 38%·Acc 58.0%

#729My Calendar I

Medium·Freq 38%·Acc 58.3%

#323Number of Connected Components in an Undirected Graph

Medium·Freq 38%·Acc 65.1%

#567Permutation in String

Medium·Freq 38%·Acc 49.2%

#648Replace Words

Medium·Freq 38%·Acc 68.9%

#135Candy

Hard·Freq 38%·Acc 48.8%

#740Delete and Earn

Medium·Freq 38%·Acc 57.4%

#716Max Stack

Hard·Freq 38%·Acc 46.0%

#337House Robber III

Medium·Freq 38%·Acc 56.1%

#981Time Based Key-Value Store

Medium·Freq 38%·Acc 50.0%

#543Diameter of Binary Tree

Easy·Freq 38%·Acc 65.8%

#962Maximum Width Ramp

Medium·Freq 38%·Acc 55.9%

#287Find the Duplicate Number

Medium·Freq 38%·Acc 64.6%

#863All Nodes Distance K in Binary Tree

Medium·Freq 38%·Acc 67.8%

#309Best Time to Buy and Sell Stock with Cooldown

Medium·Freq 38%·Acc 62.4%

#784Letter Case Permutation

Medium·Freq 38%·Acc 75.9%

#452Minimum Number of Arrows to Burst Balloons

Medium·Freq 38%·Acc 61.7%

#616Add Bold Tag in String

Medium·Freq 38%·Acc 51.4%

#1044Longest Duplicate Substring

Hard·Freq 38%·Acc 31.3%

#13Roman to Integer

Easy·Freq 38%·Acc 66.8%

#1302Deepest Leaves Sum

Medium·Freq 38%·Acc 86.6%

#2625Flatten Deeply Nested Array

Medium·Freq 38%·Acc 66.1%

#1669Merge In Between Linked Lists

Medium·Freq 38%·Acc 83.1%

#721Accounts Merge

Medium·Freq 38%·Acc 61.6%

#438Find All Anagrams in a String

Medium·Freq 38%·Acc 54.1%

#1352Product of the Last K Numbers

Medium·Freq 38%·Acc 63.0%

#904Fruit Into Baskets

Medium·Freq 38%·Acc 51.7%

#48Rotate Image

Medium·Freq 38%·Acc 80.4%

#428Serialize and Deserialize N-ary Tree

Hard·Freq 38%·Acc 68.9%

#1043Partition Array for Maximum Sum

Medium·Freq 38%·Acc 77.5%

#12Integer to Roman

Medium·Freq 38%·Acc 71.2%

#475Heaters

Medium·Freq 38%·Acc 42.2%

#658Find K Closest Elements

Medium·Freq 38%·Acc 49.9%

#691Stickers to Spell Word

Hard·Freq 38%·Acc 51.0%

#1642Furthest Building You Can Reach

Medium·Freq 38%·Acc 51.0%

#19Remove Nth Node From End of List

Medium·Freq 38%·Acc 52.0%

#305Number of Islands II

Hard·Freq 38%·Acc 40.7%

#4Median of Two Sorted Arrays

Hard·Freq 33%·Acc 47.0%

#2Add Two Numbers

Medium·Freq 25%·Acc 48.8%

#36Valid Sudoku

Medium·Freq 25%·Acc 64.7%

#50Pow(x, n)

Medium·Freq 25%·Acc 38.9%

#59Spiral Matrix II

Medium·Freq 25%·Acc 75.4%

#57Insert Interval

Medium·Freq 25%·Acc 45.5%

#62Unique Paths

Medium·Freq 25%·Acc 67.0%

#66Plus One

Easy·Freq 25%·Acc 50.2%

#96Unique Binary Search Trees

Medium·Freq 25%·Acc 63.9%

#112Path Sum

Easy·Freq 25%·Acc 55.3%

#2050Parallel Courses III

Hard·Freq 25%·Acc 66.8%

#202Happy Number

Easy·Freq 25%·Acc 59.9%

#208Implement Trie (Prefix Tree)

Medium·Freq 25%·Acc 69.7%

#240Search a 2D Matrix II

Medium·Freq 25%·Acc 57.6%

#2593Sum Smaller

Medium·Freq 25%·Acc 51.4%

#261Graph Valid Tree

Medium·Freq 25%·Acc 50.1%

#282Expression Add Operators

Hard·Freq 25%·Acc 43.4%

#358Rearrange String k Distance Apart

Hard·Freq 25%·Acc 40.0%

#445Add Two Numbers II

Medium·Freq 25%·Acc 62.8%

#468Validate IP Address

Medium·Freq 25%·Acc 28.4%

#498Diagonal Traverse

Medium·Freq 25%·Acc 67.3%

#2506Count Pairs Of Similar Strings

Easy·Freq 25%·Acc 73.8%

#673Number of Longest Increasing Subsequence

Medium·Freq 25%·Acc 52.3%

#992Subarrays with K Different Integers

Hard·Freq 25%·Acc 68.6%

#1570Dot Product of Two Sparse Vectors

Medium·Freq 25%·Acc 89.9%

#472Concatenated Words

Hard·Freq 25%·Acc 49.9%

#2134Minimum Swaps to Group All 1's Together II

Medium·Freq 25%·Acc 65.7%

#408Valid Word Abbreviation

Easy·Freq 25%·Acc 37.0%

#377Combination Sum IV

Medium·Freq 25%·Acc 55.2%

#2530Maximal Score After Applying K Operations

Medium·Freq 25%·Acc 64.1%

#277Find the Celebrity

Medium·Freq 25%·Acc 49.0%

#708Insert into a Sorted Circular Linked List

Medium·Freq 25%·Acc 38.6%

#1769Minimum Number of Operations to Move All Balls to Each Box

Medium·Freq 25%·Acc 90.2%

#138Copy List with Random Pointer

Medium·Freq 25%·Acc 63.3%

#505The Maze II

Medium·Freq 25%·Acc 55.2%

#1216Valid Palindrome III

Hard·Freq 25%·Acc 49.2%

#413Arithmetic Slices

Medium·Freq 25%·Acc 64.8%

#1237Find Positive Integer Solution for a Given Equation

Medium·Freq 25%·Acc 70.1%

#2931Maximum Spending After Buying Items

Hard·Freq 25%·Acc 61.4%

#440K-th Smallest in Lexicographical Order

Hard·Freq 25%·Acc 46.4%

#2561Rearranging Fruits

Hard·Freq 25%·Acc 57.3%

#1136Parallel Courses

Medium·Freq 25%·Acc 62.3%

#108Convert Sorted Array to Binary Search Tree

Easy·Freq 25%·Acc 75.8%

#1383Maximum Performance of a Team

Hard·Freq 25%·Acc 47.8%

#167Two Sum II - Input Array Is Sorted

Medium·Freq 25%·Acc 65.4%

#1235Maximum Profit in Job Scheduling

Hard·Freq 25%·Acc 54.8%

#230Kth Smallest Element in a BST

Medium·Freq 25%·Acc 77.0%

#2235Add Two Integers

Easy·Freq 25%·Acc 88.0%

#2551Put Marbles in Bags

Hard·Freq 25%·Acc 72.1%

#82Remove Duplicates from Sorted List II

Medium·Freq 25%·Acc 52.1%

#941Valid Mountain Array

Easy·Freq 25%·Acc 35.4%

#601Human Traffic of StadiumSQL

Hard·Freq 25%·Acc 51.6%

#311Sparse Matrix Multiplication

Medium·Freq 25%·Acc 69.3%

#2694Event Emitter

Medium·Freq 25%·Acc 75.2%

#529Minesweeper

Medium·Freq 25%·Acc 68.8%

#593Valid Square

Medium·Freq 25%·Acc 45.3%

#101Symmetric Tree

Easy·Freq 25%·Acc 61.6%

#2945Find Maximum Non-decreasing Array Length

Hard·Freq 25%·Acc 19.1%

#723Candy Crush

Medium·Freq 25%·Acc 77.6%

#1574Shortest Subarray to be Removed to Make Array Sorted

Medium·Freq 25%·Acc 51.4%

#2537Count the Number of Good Subarrays

Medium·Freq 25%·Acc 65.7%

#829Consecutive Numbers Sum

Hard·Freq 25%·Acc 42.8%

#99Recover Binary Search Tree

Medium·Freq 25%·Acc 60.2%

#280Wiggle Sort

Medium·Freq 25%·Acc 68.5%

#232Implement Queue using Stacks

Easy·Freq 25%·Acc 70.1%

#496Next Greater Element I

Easy·Freq 25%·Acc 76.5%

#271Encode and Decode Strings

Medium·Freq 25%·Acc 51.7%

#255Verify Preorder Sequence in Binary Search Tree

Medium·Freq 25%·Acc 51.8%

#2672Number of Adjacent Elements With the Same Color

Medium·Freq 25%·Acc 59.9%

#67924 Game

Hard·Freq 25%·Acc 59.6%

#696Count Binary Substrings

Easy·Freq 25%·Acc 70.5%

#325Maximum Size Subarray Sum Equals k

Medium·Freq 25%·Acc 50.9%

#759Employee Free Time

Hard·Freq 25%·Acc 73.0%

#1827Minimum Operations to Make the Array Increasing

Easy·Freq 25%·Acc 82.2%

#400Nth Digit

Medium·Freq 25%·Acc 38.5%

#1041Robot Bounded In Circle

Medium·Freq 25%·Acc 56.6%

#291Word Pattern II

Medium·Freq 25%·Acc 49.0%

#698Partition to K Equal Sum Subsets

Medium·Freq 25%·Acc 38.8%

#2817Minimum Absolute Difference Between Elements With Constraint

Medium·Freq 25%·Acc 37.9%

#185Department Top Three SalariesSQL

Hard·Freq 25%·Acc 61.0%

#106Construct Binary Tree from Inorder and Postorder Traversal

Medium·Freq 25%·Acc 69.1%

#470Implement Rand10() Using Rand7()

Medium·Freq 25%·Acc 46.5%

#294Flip Game II

Medium·Freq 25%·Acc 52.4%

#1676Lowest Common Ancestor of a Binary Tree IV

Medium·Freq 25%·Acc 79.6%

#130Surrounded Regions

Medium·Freq 25%·Acc 45.8%

#503Next Greater Element II

Medium·Freq 25%·Acc 68.7%

#3535Unit Conversion II

Medium·Freq 25%·Acc 65.8%

#1353Maximum Number of Events That Can Be Attended

Medium·Freq 25%·Acc 39.0%

#918Maximum Sum Circular Subarray

Medium·Freq 25%·Acc 50.7%

#1162As Far from Land as Possible

Medium·Freq 25%·Acc 52.4%

#91Decode Ways

Medium·Freq 25%·Acc 38.2%

#692Top K Frequent Words

Medium·Freq 25%·Acc 60.4%

#606Construct String from Binary Tree

Medium·Freq 25%·Acc 70.8%

#794Valid Tic-Tac-Toe State

Medium·Freq 25%·Acc 34.9%

#912Sort an Array

Medium·Freq 25%·Acc 0.6%

#1650Lowest Common Ancestor of a Binary Tree III

Medium·Freq 25%·Acc 0.8%

#88Merge Sorted Array

Easy·Freq 25%·Acc 0.6%

#2958Length of Longest Subarray With at Most K Frequency

Medium·Freq 25%·Acc 0.6%

#	Problem	Difficulty	Frequency↓	Acceptance
#146	LRU Cache3 sources	Medium	100%	47.6%
#200	Number of Islands3 sources	Medium	100%	64.7%
#300	Longest Increasing Subsequence3 sources	Medium	90%	59.7%
#3	Longest Substring Without Repeating Characters3 sources	Medium	88%	39.4%
#694	Number of Distinct Islands3 sources	Medium	88%	62.9%
#210	Course Schedule II3 sources	Medium	88%	55.9%
#253	Meeting Rooms II3 sources	Medium	88%	52.7%
#42	Trapping Rain Water3 sources	Hard	88%	67.7%
#56	Merge Intervals3 sources	Medium	88%	52.3%
#207	Course Schedule3 sources	Medium	88%	51.8%
#2334	Subarray With Elements Greater Than Varying Threshold3 sources	Hard	88%	45.8%
#68	Text Justification3 sources	Hard	80%	51.5%
#394	Decode String3 sources	Medium	76%	62.9%
#5	Longest Palindromic Substring3 sources	Medium	75%	38.2%
#33	Search in Rotated Sorted Array3 sources	Medium	75%	45.2%
#76	Minimum Window Substring3 sources	Hard	75%	47.9%
#79	Word Search3 sources	Medium	75%	47.7%
#51	N-Queens3 sources	Hard	75%	76.0%
#15	3Sum3 sources	Medium	75%	39.4%
#54	Spiral Matrix3 sources	Medium	75%	57.2%
#322	Coin Change3 sources	Medium	75%	48.7%
#560	Subarray Sum Equals K3 sources	Medium	75%	47.7%
#1151	Minimum Swaps to Group All 1's Together3 sources	Medium	75%	61.3%
#347	Top K Frequent Elements3 sources	Medium	75%	66.8%
#69	Sqrt(x)3 sources	Easy	75%	42.1%
#128	Longest Consecutive Sequence3 sources	Medium	70%	47.2%
#23	Merge k Sorted Lists3 sources	Hard	68%	60.0%
#670	Maximum Swap3 sources	Medium	68%	52.1%
#827	Making A Large Island3 sources	Hard	68%	56.9%
#20	Valid Parentheses3 sources	Easy	67%	44.5%
#198	House Robber3 sources	Medium	67%	53.4%
#772	Basic Calculator III3 sources	Hard	67%	53.4%
#1405	Longest Happy String3 sources	Medium	67%	65.5%
#1802	Maximum Value at a Given Index in a Bounded Array3 sources	Medium	67%	38.9%
#1146	Snapshot Array3 sources	Medium	67%	36.8%
#1	Two Sum3 sources	Easy	65%	57.8%
#121	Best Time to Buy and Sell Stock3 sources	Easy	65%	57.0%
#227	Basic Calculator II3 sources	Medium	65%	47.0%
#127	Word Ladder3 sources	Hard	63%	46.0%
#215	Kth Largest Element in an Array3 sources	Medium	63%	69.1%
#329	Longest Increasing Path in a Matrix3 sources	Hard	63%	56.8%
#380	Insert Delete GetRandom O(1)3 sources	Medium	63%	55.4%
#678	Valid Parenthesis String3 sources	Medium	63%	40.3%
#22	Generate Parentheses3 sources	Medium	63%	78.9%
#75	Sort Colors3 sources	Medium	63%	70.0%
#295	Find Median from Data Stream3 sources	Hard	63%	54.7%
#415	Add Strings3 sources	Easy	63%	52.2%
#2402	Meeting Rooms III3 sources	Hard	63%	51.4%
#739	Daily Temperatures3 sources	Medium	63%	68.9%
#706	Design HashMap3 sources	Easy	63%	66.7%
#212	Word Search II3 sources	Hard	63%	38.6%
#72	Edit Distance3 sources	Medium	63%	60.9%
#105	Construct Binary Tree from Preorder and Inorder Traversal3 sources	Medium	63%	69.1%
#124	Binary Tree Maximum Path Sum3 sources	Hard	63%	42.5%
#140	Word Break II3 sources	Hard	63%	55.8%
#143	Reorder List3 sources	Medium	63%	65.7%
#2145	Count the Hidden Sequences3 sources	Medium	63%	56.7%
#297	Serialize and Deserialize Binary Tree3 sources	Hard	63%	61.1%
#695	Max Area of Island3 sources	Medium	63%	74.1%
#3389	Minimum Operations to Make Character Frequencies Equal3 sources	Hard	63%	26.7%
#3441	Minimum Cost Good Caption3 sources	Hard	63%	21.1%
#3474	Lexicographically Smallest Generated String3 sources	Hard	63%	53.5%
#71	Simplify Path3 sources	Medium	63%	50.9%
#199	Binary Tree Right Side View3 sources	Medium	63%	70.7%
#206	Reverse Linked List3 sources	Easy	63%	80.8%
#224	Basic Calculator3 sources	Hard	63%	47.0%
#70	Climbing Stairs3 sources	Easy	63%	54.2%
#2414	Length of the Longest Alphabetical Continuous Substring3 sources	Medium	63%	61.0%
#2456	Most Popular Video Creator3 sources	Medium	63%	45.5%
#2523	Closest Prime Numbers in Range3 sources	Medium	63%	51.9%
#2640	Find the Score of All Prefixes of an Array3 sources	Medium	63%	73.0%
#2799	Count Complete Subarrays in an Array3 sources	Medium	63%	76.0%
#815	Bus Routes3 sources	Hard	63%	47.4%
#3086	Minimum Moves to Pick K Ones3 sources	Hard	63%	21.8%
#1293	Shortest Path in a Grid with Obstacles Elimination3 sources	Hard	63%	46.5%
#1860	Incremental Memory Leak3 sources	Medium	63%	72.9%
#34	Find First and Last Position of Element in Sorted Array3 sources	Medium	57%	49.3%
#974	Subarray Sums Divisible by K3 sources	Medium	57%	56.5%
#11	Container With Most Water3 sources	Medium	54%	60.4%
#39	Combination Sum3 sources	Medium	54%	76.8%
#55	Jump Game3 sources	Medium	54%	41.2%
#139	Word Break3 sources	Medium	54%	49.6%
#162	Find Peak Element3 sources	Medium	54%	47.1%
#316	Remove Duplicate Letters3 sources	Medium	54%	53.5%
#417	Pacific Atlantic Water Flow3 sources	Medium	54%	61.2%
#886	Possible Bipartition3 sources	Medium	54%	52.8%
#994	Rotting Oranges3 sources	Medium	54%	59.0%
#934	Shortest Bridge3 sources	Medium	54%	59.6%
#211	Design Add and Search Words Data Structure3 sources	Medium	54%	48.7%
#10	Regular Expression Matching3 sources	Hard	51%	31.2%
#25	Reverse Nodes in k-Group3 sources	Hard	51%	66.6%
#46	Permutations3 sources	Medium	51%	82.1%
#49	Group Anagrams3 sources	Medium	51%	72.9%
#165	Compare Version Numbers3 sources	Medium	51%	46.7%
#209	Minimum Size Subarray Sum3 sources	Medium	51%	52.2%
#236	Lowest Common Ancestor of a Binary Tree3 sources	Medium	51%	69.7%
#239	Sliding Window Maximum3 sources	Hard	51%	49.0%
#252	Meeting Rooms3 sources	Easy	51%	59.5%
#269	Alien Dictionary3 sources	Hard	51%	37.3%
#395	Longest Substring with At Least K Repeating Characters3 sources	Medium	51%	46.4%
#399	Evaluate Division3 sources	Medium	51%	64.4%
#875	Koko Eating Bananas3 sources	Medium	51%	50.2%
#528	Random Pick with Weight3 sources	Medium	51%	49.2%
#134	Gas Station3 sources	Medium	51%	48.3%
#1071	Greatest Common Divisor of Strings3 sources	Easy	51%	54.0%
#2021	Brightest Position on Street3 sources	Medium	51%	60.7%
#14	Longest Common Prefix3 sources	Easy	50%	47.9%
#32	Longest Valid Parentheses3 sources	Hard	50%	39.1%
#43	Multiply Strings3 sources	Medium	50%	44.4%
#45	Jump Game II3 sources	Medium	50%	43.1%
#53	Maximum Subarray3 sources	Medium	50%	53.5%
#78	Subsets3 sources	Medium	50%	82.5%
#93	Restore IP Addresses3 sources	Medium	50%	56.4%
#122	Best Time to Buy and Sell Stock II3 sources	Medium	50%	71.3%
#153	Find Minimum in Rotated Sorted Array3 sources	Medium	50%	55.0%
#189	Rotate Array3 sources	Medium	50%	45.2%
#416	Partition Equal Subset Sum3 sources	Medium	50%	49.7%
#588	Design In-Memory File System3 sources	Hard	50%	48.3%
#1011	Capacity To Ship Packages Within D Days3 sources	Medium	50%	74.3%
#1249	Minimum Remove to Make Valid Parentheses3 sources	Medium	50%	71.5%
#1539	Kth Missing Positive Number3 sources	Easy	50%	63.7%
#473	Matchsticks to Square3 sources	Medium	50%	42.1%
#365	Water and Jug Problem3 sources	Medium	50%	45.9%
#887	Super Egg Drop3 sources	Hard	50%	30.6%
#845	Longest Mountain in Array3 sources	Medium	50%	42.3%
#31	Next Permutation3 sources	Medium	50%	45.6%
#47	Permutations II3 sources	Medium	50%	63.7%
#64	Minimum Path Sum3 sources	Medium	50%	68.5%
#283	Move Zeroes3 sources	Easy	50%	64.1%
#301	Remove Invalid Parentheses3 sources	Hard	50%	50.0%
#403	Frog Jump3 sources	Hard	50%	47.4%
#2468	Split Message Based on Limit3 sources	Hard	50%	42.2%
#735	Asteroid Collision3 sources	Medium	50%	48.4%
#767	Reorganize String3 sources	Medium	50%	57.3%
#1209	Remove All Adjacent Duplicates in String II3 sources	Medium	50%	61.6%
#442	Find All Duplicates in an Array3 sources	Medium	50%	77.0%
#1584	Min Cost to Connect All Points3 sources	Medium	50%	71.3%
#1466	Reorder Routes to Make All Paths Lead to the City Zero3 sources	Medium	50%	66.0%
#902	Numbers At Most N Given Digit Set3 sources	Hard	50%	45.6%
#298	Binary Tree Longest Consecutive Sequence3 sources	Medium	50%	54.8%
#1248	Count Number of Nice Subarrays3 sources	Medium	50%	75.4%
#84	Largest Rectangle in Histogram3 sources	Hard	50%	50.3%
#581	Shortest Unsorted Continuous Subarray3 sources	Medium	50%	38.4%
#3071	Minimum Operations to Write the Letter Y on a Grid3 sources	Medium	50%	64.7%
#1462	Course Schedule IV3 sources	Medium	50%	60.0%
#787	Cheapest Flights Within K Stops3 sources	Medium	50%	42.2%
#103	Binary Tree Zigzag Level Order Traversal3 sources	Medium	50%	64.1%
#378	Kth Smallest Element in a Sorted Matrix3 sources	Medium	50%	64.8%
#426	Convert Binary Search Tree to Sorted Doubly Linked List3 sources	Medium	50%	65.6%
#1530	Number of Good Leaf Nodes Pairs3 sources	Medium	50%	71.8%
#3043	Find the Length of the Longest Common Prefix3 sources	Medium	50%	62.3%
#160	Intersection of Two Linked Lists3 sources	Easy	50%	64.2%
#286	Walls and Gates3 sources	Medium	50%	64.1%
#856	Score of Parentheses3 sources	Medium	50%	63.5%
#924	Minimize Malware Spread3 sources	Hard	50%	43.3%
#2850	Minimum Moves to Spread Stones Over Grid3 sources	Medium	50%	45.8%
#77	Combinations3 sources	Medium	50%	74.8%
#340	Longest Substring with At Most K Distinct Characters3 sources	Medium	48%	50.1%
#432	All O`one Data Structure3 sources	Hard	44%	44.4%
#24	Swap Nodes in Pairs3 sources	Medium	39%	69.8%
#123	Best Time to Buy and Sell Stock III3 sources	Hard	39%	54.2%
#159	Longest Substring with At Most Two Distinct Characters3 sources	Medium	39%	57.1%
#2115	Find All Possible Recipes from Given Supplies3 sources	Medium	39%	57.0%
#188	Best Time to Buy and Sell Stock IV3 sources	Hard	39%	50.7%
#213	House Robber II3 sources	Medium	39%	45.2%
#221	Maximal Square3 sources	Medium	39%	50.6%
#348	Design Tic-Tac-Toe3 sources	Medium	39%	58.8%
#74	Search a 2D Matrix3 sources	Medium	39%	54.3%
#402	Remove K Digits3 sources	Medium	39%	37.2%
#2422	Merge Operations to Turn Array Into a Palindrome3 sources	Medium	39%	68.9%
#642	Design Search Autocomplete System3 sources	Hard	39%	50.0%
#752	Open the Lock3 sources	Medium	39%	61.4%
#1004	Max Consecutive Ones III3 sources	Medium	39%	68.0%
#1091	Shortest Path in Binary Matrix3 sources	Medium	39%	51.8%
#1143	Longest Common Subsequence3 sources	Medium	39%	59.3%
#1944	Number of Visible People in a Queue3 sources	Hard	39%	73.3%
#1245	Tree Diameter3 sources	Medium	39%	61.3%
#628	Maximum Product of Three Numbers3 sources	Easy	39%	46.1%
#909	Snakes and Ladders3 sources	Medium	39%	48.2%
#650	2 Keys Keyboard3 sources	Medium	39%	59.4%
#1813	Sentence Similarity III3 sources	Medium	39%	48.4%
#63	Unique Paths II3 sources	Medium	39%	44.7%
#2673	Make Costs of Paths Equal in a Binary Tree3 sources	Medium	39%	58.8%
#983	Minimum Cost For Tickets3 sources	Medium	39%	67.5%
#959	Regions Cut By Slashes3 sources	Medium	39%	77.6%
#2502	Design Memory Allocator3 sources	Medium	39%	50.4%
#489	Robot Room Cleaner3 sources	Hard	39%	78.0%
#437	Path Sum III3 sources	Medium	39%	46.5%
#21	Merge Two Sorted Lists3 sources	Easy	38%	68.5%
#40	Combination Sum II3 sources	Medium	38%	59.7%
#80	Remove Duplicates from Sorted Array II3 sources	Medium	38%	64.9%
#92	Reverse Linked List II3 sources	Medium	38%	51.9%
#113	Path Sum II3 sources	Medium	38%	62.5%
#125	Valid Palindrome3 sources	Easy	38%	53.7%
#148	Sort List3 sources	Medium	38%	64.8%
#151	Reverse Words in a String3 sources	Medium	38%	57.0%
#152	Maximum Product Subarray3 sources	Medium	38%	36.7%
#2096	Step-By-Step Directions From a Binary Tree Node to Another3 sources	Medium	38%	56.5%
#179	Largest Number3 sources	Medium	38%	43.3%
#317	Shortest Distance from All Buildings3 sources	Hard	38%	45.0%
#381	Insert Delete GetRandom O(1) - Duplicates allowed3 sources	Hard	38%	36.7%
#435	Non-overlapping Intervals3 sources	Medium	38%	57.4%
#443	String Compression3 sources	Medium	38%	60.3%
#460	LFU Cache3 sources	Hard	38%	49.7%
#518	Coin Change II3 sources	Medium	38%	59.6%
#525	Contiguous Array3 sources	Medium	38%	51.7%
#621	Task Scheduler3 sources	Medium	38%	63.4%
#662	Maximum Width of Binary Tree3 sources	Medium	38%	45.8%
#680	Valid Palindrome II3 sources	Easy	38%	44.5%
#714	Best Time to Buy and Sell Stock with Transaction Fee3 sources	Medium	38%	72.3%
#726	Number of Atoms3 sources	Hard	38%	65.2%
#785	Is Graph Bipartite?3 sources	Medium	38%	59.6%
#799	Champagne Tower3 sources	Medium	38%	64.1%
#907	Sum of Subarray Minimums3 sources	Medium	38%	38.8%
#945	Minimum Increment to Make Array Unique3 sources	Medium	38%	60.7%
#1010	Pairs of Songs With Total Durations Divisible by 603 sources	Medium	38%	53.5%
#1268	Search Suggestions System3 sources	Medium	38%	65.2%
#1335	Minimum Difficulty of a Job Schedule3 sources	Hard	38%	59.8%
#1423	Maximum Points You Can Obtain from Cards3 sources	Medium	38%	58.0%
#729	My Calendar I3 sources	Medium	38%	58.3%
#323	Number of Connected Components in an Undirected Graph3 sources	Medium	38%	65.1%
#567	Permutation in String3 sources	Medium	38%	49.2%
#648	Replace Words3 sources	Medium	38%	68.9%
#135	Candy3 sources	Hard	38%	48.8%
#740	Delete and Earn3 sources	Medium	38%	57.4%
#716	Max Stack3 sources	Hard	38%	46.0%
#337	House Robber III3 sources	Medium	38%	56.1%
#981	Time Based Key-Value Store3 sources	Medium	38%	50.0%
#543	Diameter of Binary Tree3 sources	Easy	38%	65.8%
#962	Maximum Width Ramp3 sources	Medium	38%	55.9%
#287	Find the Duplicate Number3 sources	Medium	38%	64.6%
#863	All Nodes Distance K in Binary Tree3 sources	Medium	38%	67.8%
#309	Best Time to Buy and Sell Stock with Cooldown3 sources	Medium	38%	62.4%
#784	Letter Case Permutation3 sources	Medium	38%	75.9%
#452	Minimum Number of Arrows to Burst Balloons3 sources	Medium	38%	61.7%
#616	Add Bold Tag in String3 sources	Medium	38%	51.4%
#1044	Longest Duplicate Substring3 sources	Hard	38%	31.3%
#13	Roman to Integer3 sources	Easy	38%	66.8%
#1302	Deepest Leaves Sum3 sources	Medium	38%	86.6%
#2625	Flatten Deeply Nested Array3 sources	Medium	38%	66.1%
#1669	Merge In Between Linked Lists3 sources	Medium	38%	83.1%
#721	Accounts Merge3 sources	Medium	38%	61.6%
#438	Find All Anagrams in a String3 sources	Medium	38%	54.1%
#1352	Product of the Last K Numbers3 sources	Medium	38%	63.0%
#904	Fruit Into Baskets3 sources	Medium	38%	51.7%
#48	Rotate Image3 sources	Medium	38%	80.4%
#428	Serialize and Deserialize N-ary Tree3 sources	Hard	38%	68.9%
#1043	Partition Array for Maximum Sum3 sources	Medium	38%	77.5%
#12	Integer to Roman3 sources	Medium	38%	71.2%
#475	Heaters3 sources	Medium	38%	42.2%
#658	Find K Closest Elements3 sources	Medium	38%	49.9%
#691	Stickers to Spell Word3 sources	Hard	38%	51.0%
#1642	Furthest Building You Can Reach3 sources	Medium	38%	51.0%
#19	Remove Nth Node From End of List3 sources	Medium	38%	52.0%
#305	Number of Islands II	Hard	38%	40.7%
#4	Median of Two Sorted Arrays3 sources	Hard	33%	47.0%
#2	Add Two Numbers3 sources	Medium	25%	48.8%
#36	Valid Sudoku3 sources	Medium	25%	64.7%
#50	Pow(x, n)3 sources	Medium	25%	38.9%
#59	Spiral Matrix II3 sources	Medium	25%	75.4%
#57	Insert Interval3 sources	Medium	25%	45.5%
#62	Unique Paths3 sources	Medium	25%	67.0%
#66	Plus One3 sources	Easy	25%	50.2%
#96	Unique Binary Search Trees3 sources	Medium	25%	63.9%
#112	Path Sum3 sources	Easy	25%	55.3%
#2050	Parallel Courses III3 sources	Hard	25%	66.8%
#202	Happy Number3 sources	Easy	25%	59.9%
#208	Implement Trie (Prefix Tree)3 sources	Medium	25%	69.7%
#240	Search a 2D Matrix II3 sources	Medium	25%	57.6%
#259	3Sum Smaller3 sources	Medium	25%	51.4%
#261	Graph Valid Tree3 sources	Medium	25%	50.1%
#282	Expression Add Operators3 sources	Hard	25%	43.4%
#358	Rearrange String k Distance Apart3 sources	Hard	25%	40.0%
#445	Add Two Numbers II3 sources	Medium	25%	62.8%
#468	Validate IP Address3 sources	Medium	25%	28.4%
#498	Diagonal Traverse3 sources	Medium	25%	67.3%
#2506	Count Pairs Of Similar Strings3 sources	Easy	25%	73.8%
#673	Number of Longest Increasing Subsequence3 sources	Medium	25%	52.3%
#992	Subarrays with K Different Integers3 sources	Hard	25%	68.6%
#1570	Dot Product of Two Sparse Vectors3 sources	Medium	25%	89.9%
#472	Concatenated Words3 sources	Hard	25%	49.9%
#2134	Minimum Swaps to Group All 1's Together II3 sources	Medium	25%	65.7%
#408	Valid Word Abbreviation3 sources	Easy	25%	37.0%
#377	Combination Sum IV3 sources	Medium	25%	55.2%
#2530	Maximal Score After Applying K Operations3 sources	Medium	25%	64.1%
#277	Find the Celebrity3 sources	Medium	25%	49.0%
#708	Insert into a Sorted Circular Linked List3 sources	Medium	25%	38.6%
#1769	Minimum Number of Operations to Move All Balls to Each Box3 sources	Medium	25%	90.2%
#138	Copy List with Random Pointer3 sources	Medium	25%	63.3%
#505	The Maze II3 sources	Medium	25%	55.2%
#1216	Valid Palindrome III3 sources	Hard	25%	49.2%
#413	Arithmetic Slices3 sources	Medium	25%	64.8%
#1237	Find Positive Integer Solution for a Given Equation3 sources	Medium	25%	70.1%
#2931	Maximum Spending After Buying Items3 sources	Hard	25%	61.4%
#440	K-th Smallest in Lexicographical Order3 sources	Hard	25%	46.4%
#2561	Rearranging Fruits3 sources	Hard	25%	57.3%
#1136	Parallel Courses3 sources	Medium	25%	62.3%
#108	Convert Sorted Array to Binary Search Tree3 sources	Easy	25%	75.8%
#1383	Maximum Performance of a Team3 sources	Hard	25%	47.8%
#167	Two Sum II - Input Array Is Sorted3 sources	Medium	25%	65.4%
#1235	Maximum Profit in Job Scheduling3 sources	Hard	25%	54.8%
#230	Kth Smallest Element in a BST3 sources	Medium	25%	77.0%
#2235	Add Two Integers3 sources	Easy	25%	88.0%
#2551	Put Marbles in Bags3 sources	Hard	25%	72.1%
#82	Remove Duplicates from Sorted List II3 sources	Medium	25%	52.1%
#941	Valid Mountain Array3 sources	Easy	25%	35.4%
#601	Human Traffic of Stadium3 sourcesSQL	Hard	25%	51.6%
#311	Sparse Matrix Multiplication3 sources	Medium	25%	69.3%
#2694	Event Emitter3 sources	Medium	25%	75.2%
#529	Minesweeper3 sources	Medium	25%	68.8%
#593	Valid Square3 sources	Medium	25%	45.3%
#101	Symmetric Tree3 sources	Easy	25%	61.6%
#2945	Find Maximum Non-decreasing Array Length3 sources	Hard	25%	19.1%
#723	Candy Crush3 sources	Medium	25%	77.6%
#1574	Shortest Subarray to be Removed to Make Array Sorted3 sources	Medium	25%	51.4%
#2537	Count the Number of Good Subarrays3 sources	Medium	25%	65.7%
#829	Consecutive Numbers Sum3 sources	Hard	25%	42.8%
#99	Recover Binary Search Tree3 sources	Medium	25%	60.2%
#280	Wiggle Sort3 sources	Medium	25%	68.5%
#232	Implement Queue using Stacks3 sources	Easy	25%	70.1%
#496	Next Greater Element I3 sources	Easy	25%	76.5%
#271	Encode and Decode Strings3 sources	Medium	25%	51.7%
#255	Verify Preorder Sequence in Binary Search Tree3 sources	Medium	25%	51.8%
#2672	Number of Adjacent Elements With the Same Color3 sources	Medium	25%	59.9%
#679	24 Game3 sources	Hard	25%	59.6%
#696	Count Binary Substrings3 sources	Easy	25%	70.5%
#325	Maximum Size Subarray Sum Equals k3 sources	Medium	25%	50.9%
#759	Employee Free Time3 sources	Hard	25%	73.0%
#1827	Minimum Operations to Make the Array Increasing3 sources	Easy	25%	82.2%
#400	Nth Digit3 sources	Medium	25%	38.5%
#1041	Robot Bounded In Circle3 sources	Medium	25%	56.6%
#291	Word Pattern II3 sources	Medium	25%	49.0%
#698	Partition to K Equal Sum Subsets3 sources	Medium	25%	38.8%
#2817	Minimum Absolute Difference Between Elements With Constraint3 sources	Medium	25%	37.9%
#185	Department Top Three Salaries3 sourcesSQL	Hard	25%	61.0%
#106	Construct Binary Tree from Inorder and Postorder Traversal3 sources	Medium	25%	69.1%
#470	Implement Rand10() Using Rand7()3 sources	Medium	25%	46.5%
#294	Flip Game II3 sources	Medium	25%	52.4%
#1676	Lowest Common Ancestor of a Binary Tree IV3 sources	Medium	25%	79.6%
#130	Surrounded Regions3 sources	Medium	25%	45.8%
#503	Next Greater Element II3 sources	Medium	25%	68.7%
#3535	Unit Conversion II3 sources	Medium	25%	65.8%
#1353	Maximum Number of Events That Can Be Attended3 sources	Medium	25%	39.0%
#918	Maximum Sum Circular Subarray3 sources	Medium	25%	50.7%
#1162	As Far from Land as Possible3 sources	Medium	25%	52.4%
#91	Decode Ways	Medium	25%	38.2%
#692	Top K Frequent Words	Medium	25%	60.4%
#606	Construct String from Binary Tree	Medium	25%	70.8%
#794	Valid Tic-Tac-Toe State	Medium	25%	34.9%
#912	Sort an Array2 sources	Medium	25%	0.6%
#1650	Lowest Common Ancestor of a Binary Tree III2 sources	Medium	25%	0.8%
#88	Merge Sorted Array2 sources	Easy	25%	0.6%
#2958	Length of Longest Subarray With at Most K Frequency2 sources	Medium	25%	0.6%

Showing 353 of 353 questionsWindow: All Time

TikTok Technical Interview Overview & Company-Wise Questions

Software engineering and technical interviews at TikTok emphasize real-world problem solving, algorithmic efficiency, and scalable data structure design. The curated dataset above contains 353 verified LeetCode problems, categorized by frequency and filtered across recent interview seasons.

Frequently Asked Questions

What are the top LeetCode questions for TikTok?

Leading questions include LRU Cache, Number of Islands, Longest Increasing Subsequence. 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 TikTok?

You can practice all 353 TikTok 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 TikTok coding rounds?

Begin by reviewing Medium-difficulty problems (247 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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Recommended Patterns

Dynamic Programming Graph Traversal Two Pointers Roadmap Graph