What are the most frequent LeetCode questions for tcs?

The top problems asked in tcs technical interviews include Friday Purchases I, Two Sum, Longest Palindromic Substring. In total, 263 verified problems are tracked across Easy (116), Medium (122), and Hard (25) tiers.

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

LeetMap Pro provides a complete, verified list of 263 company-wise tcs 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 tcs 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 tcs coding rounds?

For tcs, Medium difficulty problems represent the largest share (122 problems), followed by Easy (116) and Hard (25). Mastering foundational patterns like Trees, Graphs, and Dynamic Programming is essential.

tcsLeetCode Questions

Verified

263 questions·116 Easy·122 Medium·25 Hard

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

SQL (17)

⌘K

#2993Friday Purchases ISQL

Medium·Freq 100%·Acc 81.2%

#1Two Sum

Easy·Freq 89%·Acc 57.8%

#5Longest Palindromic Substring

Medium·Freq 82%·Acc 38.2%

#9Palindrome Number

Easy·Freq 80%·Acc 60.7%

#53Maximum Subarray

Medium·Freq 75%·Acc 53.5%

#283Move Zeroes

Easy·Freq 75%·Acc 64.1%

#11Container With Most Water

Medium·Freq 72%·Acc 60.4%

#121Best Time to Buy and Sell Stock

Easy·Freq 70%·Acc 57.0%

#14Longest Common Prefix

Easy·Freq 69%·Acc 47.9%

#1331Rank Transform of an Array

Easy·Freq 68%·Acc 72.6%

#169Majority Element

Easy·Freq 66%·Acc 66.4%

#176Second Highest SalarySQL

Medium·Freq 66%·Acc 47.5%

#242Valid Anagram

Easy·Freq 66%·Acc 68.3%

#3Longest Substring Without Repeating Characters

Medium·Freq 64%·Acc 39.4%

#13Roman to Integer

Easy·Freq 64%·Acc 66.8%

#153Sum

Medium·Freq 64%·Acc 39.4%

#20Valid Parentheses

Easy·Freq 64%·Acc 44.5%

#41First Missing Positive

Hard·Freq 64%·Acc 43.2%

#28Find the Index of the First Occurrence in a String

Easy·Freq 63%·Acc 46.9%

#75Sort Colors

Medium·Freq 63%·Acc 70.0%

#136Single Number

Easy·Freq 63%·Acc 77.9%

#344Reverse String

Easy·Freq 63%·Acc 81.0%

#509Fibonacci Number

Easy·Freq 63%·Acc 74.3%

#26Remove Duplicates from Sorted Array

Easy·Freq 63%·Acc 63.2%

#7Reverse Integer

Medium·Freq 63%·Acc 32.1%

#4Median of Two Sorted Arrays

Hard·Freq 63%·Acc 47.0%

#55Jump Game

Medium·Freq 63%·Acc 41.2%

#189Rotate Array

Medium·Freq 63%·Acc 45.2%

#217Contains Duplicate

Easy·Freq 63%·Acc 64.5%

#560Subarray Sum Equals K

Medium·Freq 63%·Acc 47.7%

#2423Remove Letter To Equalize Frequency

Easy·Freq 63%·Acc 19.5%

#2520Count the Digits That Divide a Number

Easy·Freq 63%·Acc 85.9%

#1800Maximum Ascending Subarray Sum

Easy·Freq 63%·Acc 66.3%

#12Integer to Roman

Medium·Freq 62%·Acc 71.2%

#88Merge Sorted Array

Easy·Freq 60%·Acc 55.2%

#54Spiral Matrix

Medium·Freq 59%·Acc 57.2%

#125Valid Palindrome

Easy·Freq 59%·Acc 53.7%

#152Maximum Product Subarray

Medium·Freq 57%·Acc 36.7%

#1752Check if Array Is Sorted and Rotated

Easy·Freq 57%·Acc 57.5%

#50Pow(x, n)

Medium·Freq 55%·Acc 38.9%

#387First Unique Character in a String

Easy·Freq 55%·Acc 65.8%

#49Group Anagrams

Medium·Freq 55%·Acc 72.9%

#219Contains Duplicate II

Easy·Freq 55%·Acc 51.5%

#3417Zigzag Grid Traversal With Skip

Easy·Freq 55%·Acc 65.5%

#621Task Scheduler

Medium·Freq 55%·Acc 63.4%

#42Trapping Rain Water

Hard·Freq 53%·Acc 67.7%

#70Climbing Stairs

Easy·Freq 53%·Acc 54.2%

#628Maximum Product of Three Numbers

Easy·Freq 53%·Acc 46.1%

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

Medium·Freq 51%·Acc 49.3%

#2481Minimum Cuts to Divide a Circle

Easy·Freq 51%·Acc 56.5%

#3065Minimum Operations to Exceed Threshold Value I

Easy·Freq 51%·Acc 86.9%

#3066Minimum Operations to Exceed Threshold Value II

Medium·Freq 51%·Acc 45.8%

#1745Palindrome Partitioning IV

Hard·Freq 51%·Acc 45.5%

#33Search in Rotated Sorted Array

Medium·Freq 51%·Acc 45.2%

#84Largest Rectangle in Histogram

Hard·Freq 51%·Acc 50.3%

#66Plus One

Easy·Freq 50%·Acc 50.2%

#69Sqrt(x)

Easy·Freq 50%·Acc 42.1%

#67Add Binary

Easy·Freq 50%·Acc 58.3%

#898Bitwise ORs of Subarrays

Medium·Freq 50%·Acc 56.9%

#56Merge Intervals

Medium·Freq 50%·Acc 52.3%

#643Maximum Average Subarray I

Easy·Freq 50%·Acc 48.4%

#2Add Two Numbers

Medium·Freq 50%·Acc 48.8%

#184Sum

Medium·Freq 50%·Acc 41.1%

#58Length of Last Word

Easy·Freq 50%·Acc 59.2%

#62Unique Paths

Medium·Freq 50%·Acc 67.0%

#268Missing Number

Easy·Freq 50%·Acc 72.3%

#540Single Element in a Sorted Array

Medium·Freq 50%·Acc 59.3%

#766Toeplitz Matrix

Easy·Freq 50%·Acc 69.7%

#912Sort an Array

Medium·Freq 50%·Acc 55.9%

#35Search Insert Position

Easy·Freq 50%·Acc 51.7%

#805Split Array With Same Average

Hard·Freq 50%·Acc 27.2%

#182Duplicate EmailsSQL

Easy·Freq 50%·Acc 74.0%

#1125Smallest Sufficient Team

Hard·Freq 50%·Acc 55.7%

#312Burst Balloons

Hard·Freq 50%·Acc 63.9%

#181Employees Earning More Than Their ManagersSQL

Easy·Freq 50%·Acc 73.5%

#73Set Matrix Zeroes

Medium·Freq 48%·Acc 63.3%

#128Longest Consecutive Sequence

Medium·Freq 48%·Acc 47.2%

#852Peak Index in a Mountain Array

Medium·Freq 48%·Acc 66.8%

#2006Count Number of Pairs With Absolute Difference K

Easy·Freq 45%·Acc 85.4%

#198House Robber

Medium·Freq 45%·Acc 53.4%

#17Letter Combinations of a Phone Number

Medium·Freq 45%·Acc 66.4%

#977Squares of a Sorted Array

Easy·Freq 45%·Acc 73.9%

#167Two Sum II - Input Array Is Sorted

Medium·Freq 45%·Acc 65.4%

#230Kth Smallest Element in a BST

Medium·Freq 45%·Acc 77.0%

#31Next Permutation

Medium·Freq 41%·Acc 45.6%

#118Pascal's Triangle

Easy·Freq 41%·Acc 79.1%

#202Happy Number

Easy·Freq 41%·Acc 59.9%

#204Count Primes

Medium·Freq 41%·Acc 36.2%

#206Reverse Linked List

Easy·Freq 41%·Acc 80.8%

#239Sliding Window Maximum

Hard·Freq 41%·Acc 49.0%

#19Remove Nth Node From End of List

Medium·Freq 41%·Acc 52.0%

#155Min Stack

Medium·Freq 41%·Acc 58.4%

#876Middle of the Linked List

Easy·Freq 41%·Acc 82.1%

#1068Product Sales Analysis ISQL

Easy·Freq 41%·Acc 85.9%

#238Product of Array Except Self

Medium·Freq 41%·Acc 69.1%

#22Generate Parentheses

Medium·Freq 38%·Acc 78.9%

#78Subsets

Medium·Freq 38%·Acc 82.5%

#543Diameter of Binary Tree

Easy·Freq 38%·Acc 65.8%

#287Find the Duplicate Number

Medium·Freq 38%·Acc 64.6%

#485Max Consecutive Ones

Easy·Freq 38%·Acc 65.6%

#416Partition Equal Subset Sum

Medium·Freq 38%·Acc 49.7%

#51N-Queens

Hard·Freq 38%·Acc 76.0%

#23Merge k Sorted Lists

Hard·Freq 38%·Acc 60.0%

#1480Running Sum of 1d Array

Easy·Freq 38%·Acc 87.0%

#956Tallest Billboard

Hard·Freq 38%·Acc 51.9%

#567Permutation in String

Medium·Freq 38%·Acc 49.2%

#875Koko Eating Bananas

Medium·Freq 38%·Acc 50.2%

#297Serialize and Deserialize Binary Tree

Hard·Freq 38%·Acc 61.1%

#81Search in Rotated Sorted Array II

Medium·Freq 38%·Acc 40.2%

#90Subsets II

Medium·Freq 38%·Acc 61.6%

#153Find Minimum in Rotated Sorted Array

Medium·Freq 38%·Acc 55.0%

#8String to Integer (atoi)

Medium·Freq 38%·Acc 21.3%

#516Longest Palindromic Subsequence

Medium·Freq 38%·Acc 65.7%

#83Remove Duplicates from Sorted List

Easy·Freq 38%·Acc 57.1%

#300Longest Increasing Subsequence

Medium·Freq 38%·Acc 59.7%

#234Palindrome Linked List

Easy·Freq 38%·Acc 58.3%

#122Best Time to Buy and Sell Stock II

Medium·Freq 38%·Acc 71.3%

#151Reverse Words in a String

Medium·Freq 38%·Acc 57.0%

#412Fizz Buzz

Easy·Freq 38%·Acc 75.7%

#532K-diff Pairs in an Array

Medium·Freq 38%·Acc 46.1%

#1148Article Views ISQL

Easy·Freq 38%·Acc 76.7%

#45Jump Game II

Medium·Freq 38%·Acc 43.1%

#263Ugly Number

Easy·Freq 38%·Acc 43.8%

#462Minimum Moves to Equal Array Elements II

Medium·Freq 38%·Acc 62.1%

#146LRU Cache

Medium·Freq 38%·Acc 47.6%

#2095Delete the Middle Node of a Linked List

Medium·Freq 38%·Acc 60.9%

#414Third Maximum Number

Easy·Freq 38%·Acc 39.8%

#2099Find Subsequence of Length K With the Largest Sum

Easy·Freq 38%·Acc 57.3%

#1493Longest Subarray of 1's After Deleting One Element

Medium·Freq 38%·Acc 71.3%

#496Next Greater Element I

Easy·Freq 38%·Acc 76.5%

#455Assign Cookies

Easy·Freq 38%·Acc 55.3%

#27Remove Element

Easy·Freq 38%·Acc 62.1%

#435Non-overlapping Intervals

Medium·Freq 38%·Acc 57.4%

#303Range Sum Query - Immutable

Easy·Freq 38%·Acc 72.7%

#46Permutations

Medium·Freq 38%·Acc 82.1%

#74Search a 2D Matrix

Medium·Freq 38%·Acc 54.3%

#1581Customer Who Visited but Did Not Make Any TransactionsSQL

Easy·Freq 38%·Acc 67.9%

#443String Compression

Medium·Freq 38%·Acc 60.3%

#3689Maximum Total Subarray Value I

Medium·Freq 38%·Acc 71.9%

#180Consecutive NumbersSQL

Medium·Freq 38%·Acc 48.8%

#21Merge Two Sorted Lists

Easy·Freq 38%·Acc 68.5%

#179Largest Number

Medium·Freq 38%·Acc 43.3%

#1757Recyclable and Low Fat ProductsSQL

Easy·Freq 38%·Acc 88.6%

#85Maximal Rectangle

Hard·Freq 38%·Acc 59.2%

#1075Project Employees ISQL

Easy·Freq 38%·Acc 67.0%

#124Binary Tree Maximum Path Sum

Hard·Freq 38%·Acc 42.5%

#48Rotate Image

Medium·Freq 38%·Acc 80.4%

#1518Water Bottles

Easy·Freq 38%·Acc 72.6%

#584Find Customer Referee

Easy·Freq 38%·Acc 73.1%

#162Find Peak Element

Medium·Freq 37%·Acc 0.5%

#143Reorder List

Medium·Freq 32%·Acc 65.7%

#570Managers with at Least 5 Direct ReportsSQL

Medium·Freq 32%·Acc 49.2%

#739Daily Temperatures

Medium·Freq 32%·Acc 68.9%

#724Find Pivot Index

Easy·Freq 32%·Acc 63.2%

#347Top K Frequent Elements

Medium·Freq 32%·Acc 66.8%

#111Minimum Depth of Binary Tree

Easy·Freq 32%·Acc 53.3%

#196Delete Duplicate EmailsSQL

Easy·Freq 32%·Acc 66.3%

#100Same Tree

Easy·Freq 32%·Acc 67.5%

#175Combine Two TablesSQL

Easy·Freq 32%·Acc 79.7%

#394Decode String

Medium·Freq 32%·Acc 62.9%

#200Number of Islands

Medium·Freq 32%·Acc 64.7%

#860Lemonade Change

Easy·Freq 32%·Acc 59.3%

#2951Find the Peaks

Easy·Freq 32%·Acc 0.8%

#3731Find Missing Elements

Easy·Freq 32%·Acc 0.9%

#231Power of Two

Easy·Freq 25%·Acc 50.3%

#577Employee BonusSQL

Easy·Freq 25%·Acc 77.7%

#704Binary Search

Easy·Freq 25%·Acc 61.1%

#273Integer to English Words

Hard·Freq 25%·Acc 35.1%

#1025Divisor Game

Easy·Freq 25%·Acc 72.1%

#229Majority Element II

Medium·Freq 25%·Acc 56.5%

#2461Maximum Sum of Distinct Subarrays With Length K

Medium·Freq 25%·Acc 43.2%

#141Linked List Cycle

Easy·Freq 25%·Acc 54.7%

#1378Replace Employee ID With The Unique IdentifierSQL

Easy·Freq 25%·Acc 83.6%

#1497Check If Array Pairs Are Divisible by k

Medium·Freq 25%·Acc 46.2%

#2563Count the Number of Fair Pairs

Medium·Freq 25%·Acc 52.6%

#2703Return Length of Arguments Passed

Easy·Freq 25%·Acc 94.5%

#1910Remove All Occurrences of a Substring

Medium·Freq 25%·Acc 78.6%

#459Repeated Substring Pattern

Easy·Freq 25%·Acc 48.5%

#3330Find the Original Typed String I

Easy·Freq 25%·Acc 72.1%

#164Maximum Gap

Medium·Freq 25%·Acc 52.5%

#1751Maximum Number of Events That Can Be Attended II

Hard·Freq 25%·Acc 63.4%

#328Odd Even Linked List

Medium·Freq 25%·Acc 62.6%

#109Convert Sorted List to Binary Search Tree

Medium·Freq 25%·Acc 66.9%

#713Subarray Product Less Than K

Medium·Freq 25%·Acc 54.7%

#3136Valid Word

Easy·Freq 25%·Acc 50.9%

#1614Maximum Nesting Depth of the Parentheses

Easy·Freq 25%·Acc 85.0%

#142Linked List Cycle II

Medium·Freq 25%·Acc 58.5%

#495Teemo Attacking

Easy·Freq 25%·Acc 57.9%

#209Minimum Size Subarray Sum

Medium·Freq 25%·Acc 52.2%

#94Binary Tree Inorder Traversal

Easy·Freq 25%·Acc 80.3%

#1015Smallest Integer Divisible by K

Medium·Freq 25%·Acc 54.2%

#184Department Highest SalarySQL

Medium·Freq 25%·Acc 58.6%

#1365How Many Numbers Are Smaller Than the Current Number

Easy·Freq 25%·Acc 87.5%

#319Bulb Switcher

Medium·Freq 25%·Acc 56.1%

#10Regular Expression Matching

Hard·Freq 25%·Acc 31.2%

#350Intersection of Two Arrays II

Easy·Freq 25%·Acc 60.1%

#994Rotting Oranges

Medium·Freq 25%·Acc 59.0%

#3714Longest Balanced Substring II

Medium·Freq 25%·Acc 41.9%

#38Count and Say

Medium·Freq 25%·Acc 63.3%

#523Continuous Subarray Sum

Medium·Freq 25%·Acc 31.5%

#1143Longest Common Subsequence

Medium·Freq 25%·Acc 59.3%

#566Reshape the Matrix

Easy·Freq 25%·Acc 65.2%

#6Zigzag Conversion

Medium·Freq 25%·Acc 54.5%

#409Longest Palindrome

Easy·Freq 25%·Acc 56.1%

#1823Find the Winner of the Circular Game

Medium·Freq 25%·Acc 82.3%

#160Intersection of Two Linked Lists

Easy·Freq 25%·Acc 64.2%

#127Word Ladder

Hard·Freq 25%·Acc 46.0%

#1021Remove Outermost Parentheses

Easy·Freq 25%·Acc 87.3%

#746Min Cost Climbing Stairs

Easy·Freq 25%·Acc 68.5%

#2667Create Hello World Function

Easy·Freq 25%·Acc 81.9%

#796Rotate String

Easy·Freq 25%·Acc 66.9%

#744Find Smallest Letter Greater Than Target

Easy·Freq 25%·Acc 59.4%

#1295Find Numbers with Even Number of Digits

Easy·Freq 25%·Acc 79.9%

#163Sum Closest

Medium·Freq 25%·Acc 48.9%

#57Insert Interval

Medium·Freq 25%·Acc 45.5%

#905Sort Array By Parity

Easy·Freq 25%·Acc 76.6%

#1281Subtract the Product and Sum of Digits of an Integer

Easy·Freq 25%·Acc 86.6%

#59Spiral Matrix II

Medium·Freq 25%·Acc 75.4%

#448Find All Numbers Disappeared in an Array

Easy·Freq 25%·Acc 64.4%

#525Contiguous Array

Medium·Freq 25%·Acc 51.7%

#104Maximum Depth of Binary Tree

Easy·Freq 25%·Acc 78.4%

#1833Maximum Ice Cream Bars

Medium·Freq 25%·Acc 77.2%

#203Remove Linked List Elements

Easy·Freq 25%·Acc 54.9%

#1402Reducing Dishes

Hard·Freq 25%·Acc 76.8%

#692Top K Frequent Words

Medium·Freq 25%·Acc 60.4%

#1523Count Odd Numbers in an Interval Range

Easy·Freq 25%·Acc 54.6%

#383Ransom Note

Easy·Freq 25%·Acc 66.2%

#904Fruit Into Baskets

Medium·Freq 25%·Acc 51.7%

#1679Max Number of K-Sum Pairs

Medium·Freq 25%·Acc 57.2%

#177Nth Highest SalarySQL

Medium·Freq 25%·Acc 39.5%

#987Vertical Order Traversal of a Binary Tree

Hard·Freq 25%·Acc 54.2%

#442Find All Duplicates in an Array

Medium·Freq 25%·Acc 77.0%

#1456Maximum Number of Vowels in a Substring of Given Length

Medium·Freq 25%·Acc 62.3%

#735Asteroid Collision

Medium·Freq 25%·Acc 48.4%

#80Remove Duplicates from Sorted Array II

Medium·Freq 25%·Acc 64.9%

#1492The kth Factor of n

Medium·Freq 25%·Acc 70.5%

#1512Number of Good Pairs

Easy·Freq 25%·Acc 89.9%

#670Maximum Swap

Medium·Freq 25%·Acc 52.1%

#3163String Compression III

Medium·Freq 25%·Acc 67.1%

#1368Minimum Cost to Make at Least One Valid Path in a Grid

Hard·Freq 25%·Acc 71.1%

#979Distribute Coins in Binary Tree

Medium·Freq 25%·Acc 77.3%

#405Convert a Number to Hexadecimal

Easy·Freq 25%·Acc 54.5%

#930Binary Subarrays With Sum

Medium·Freq 25%·Acc 69.3%

#503Next Greater Element II

Medium·Freq 24%·Acc 0.7%

#24Swap Nodes in Pairs

Medium·Freq 24%·Acc 0.7%

#3658GCD of Odd and Even Sums

Easy·Freq 24%·Acc 0.9%

#632Smallest Range Covering Elements from K Lists

Hard·Freq 24%·Acc 0.7%

#901Online Stock Span

Medium·Freq 24%·Acc 0.7%

#172Factorial Trailing Zeroes

Medium·Freq 24%·Acc 0.5%

#645Set Mismatch

Easy·Freq 24%·Acc 0.4%

#215Kth Largest Element in an Array

Medium·Freq 24%·Acc 0.7%

#572Subtree of Another Tree

Easy·Freq 24%·Acc 0.5%

#700Search in a Binary Search Tree

Easy·Freq 24%·Acc 0.8%

#881Boats to Save People

Medium·Freq 24%·Acc 0.6%

#134Gas Station

Medium·Freq 24%·Acc 0.5%

#1806Minimum Number of Operations to Reinitialize a Permutation

Medium·Freq 24%·Acc 0.7%

#1464Maximum Product of Two Elements in an Array

Easy·Freq 24%·Acc 0.8%

#2009Minimum Number of Operations to Make Array Continuous

Hard·Freq 24%·Acc 0.5%

#292Nim Game

Easy·Freq 24%·Acc 0.6%

#205Isomorphic Strings

Easy·Freq 24%·Acc 0.5%

#374Guess Number Higher or Lower

Easy·Freq 24%·Acc 0.6%

#25Reverse Nodes in k-Group

Hard·Freq 24%·Acc 0.7%

#733Flood Fill

Easy·Freq 24%·Acc 0.7%

#	Problem	Difficulty	Frequency↓	Acceptance
#2993	Friday Purchases I3 sourcesSQL	Medium	100%	81.2%
#1	Two Sum3 sources	Easy	89%	57.8%
#5	Longest Palindromic Substring3 sources	Medium	82%	38.2%
#9	Palindrome Number3 sources	Easy	80%	60.7%
#53	Maximum Subarray3 sources	Medium	75%	53.5%
#283	Move Zeroes3 sources	Easy	75%	64.1%
#11	Container With Most Water3 sources	Medium	72%	60.4%
#121	Best Time to Buy and Sell Stock3 sources	Easy	70%	57.0%
#14	Longest Common Prefix3 sources	Easy	69%	47.9%
#1331	Rank Transform of an Array3 sources	Easy	68%	72.6%
#169	Majority Element3 sources	Easy	66%	66.4%
#176	Second Highest Salary3 sourcesSQL	Medium	66%	47.5%
#242	Valid Anagram3 sources	Easy	66%	68.3%
#3	Longest Substring Without Repeating Characters3 sources	Medium	64%	39.4%
#13	Roman to Integer3 sources	Easy	64%	66.8%
#15	3Sum3 sources	Medium	64%	39.4%
#20	Valid Parentheses3 sources	Easy	64%	44.5%
#41	First Missing Positive3 sources	Hard	64%	43.2%
#28	Find the Index of the First Occurrence in a String3 sources	Easy	63%	46.9%
#75	Sort Colors3 sources	Medium	63%	70.0%
#136	Single Number3 sources	Easy	63%	77.9%
#344	Reverse String3 sources	Easy	63%	81.0%
#509	Fibonacci Number3 sources	Easy	63%	74.3%
#26	Remove Duplicates from Sorted Array3 sources	Easy	63%	63.2%
#7	Reverse Integer3 sources	Medium	63%	32.1%
#4	Median of Two Sorted Arrays3 sources	Hard	63%	47.0%
#55	Jump Game3 sources	Medium	63%	41.2%
#189	Rotate Array3 sources	Medium	63%	45.2%
#217	Contains Duplicate3 sources	Easy	63%	64.5%
#560	Subarray Sum Equals K3 sources	Medium	63%	47.7%
#2423	Remove Letter To Equalize Frequency3 sources	Easy	63%	19.5%
#2520	Count the Digits That Divide a Number3 sources	Easy	63%	85.9%
#1800	Maximum Ascending Subarray Sum3 sources	Easy	63%	66.3%
#12	Integer to Roman3 sources	Medium	62%	71.2%
#88	Merge Sorted Array3 sources	Easy	60%	55.2%
#54	Spiral Matrix3 sources	Medium	59%	57.2%
#125	Valid Palindrome3 sources	Easy	59%	53.7%
#152	Maximum Product Subarray3 sources	Medium	57%	36.7%
#1752	Check if Array Is Sorted and Rotated3 sources	Easy	57%	57.5%
#50	Pow(x, n)3 sources	Medium	55%	38.9%
#387	First Unique Character in a String3 sources	Easy	55%	65.8%
#49	Group Anagrams3 sources	Medium	55%	72.9%
#219	Contains Duplicate II3 sources	Easy	55%	51.5%
#3417	Zigzag Grid Traversal With Skip3 sources	Easy	55%	65.5%
#621	Task Scheduler3 sources	Medium	55%	63.4%
#42	Trapping Rain Water3 sources	Hard	53%	67.7%
#70	Climbing Stairs3 sources	Easy	53%	54.2%
#628	Maximum Product of Three Numbers3 sources	Easy	53%	46.1%
#34	Find First and Last Position of Element in Sorted Array3 sources	Medium	51%	49.3%
#2481	Minimum Cuts to Divide a Circle3 sources	Easy	51%	56.5%
#3065	Minimum Operations to Exceed Threshold Value I3 sources	Easy	51%	86.9%
#3066	Minimum Operations to Exceed Threshold Value II3 sources	Medium	51%	45.8%
#1745	Palindrome Partitioning IV3 sources	Hard	51%	45.5%
#33	Search in Rotated Sorted Array3 sources	Medium	51%	45.2%
#84	Largest Rectangle in Histogram3 sources	Hard	51%	50.3%
#66	Plus One3 sources	Easy	50%	50.2%
#69	Sqrt(x)3 sources	Easy	50%	42.1%
#67	Add Binary3 sources	Easy	50%	58.3%
#898	Bitwise ORs of Subarrays3 sources	Medium	50%	56.9%
#56	Merge Intervals3 sources	Medium	50%	52.3%
#643	Maximum Average Subarray I3 sources	Easy	50%	48.4%
#2	Add Two Numbers3 sources	Medium	50%	48.8%
#18	4Sum3 sources	Medium	50%	41.1%
#58	Length of Last Word3 sources	Easy	50%	59.2%
#62	Unique Paths3 sources	Medium	50%	67.0%
#268	Missing Number3 sources	Easy	50%	72.3%
#540	Single Element in a Sorted Array3 sources	Medium	50%	59.3%
#766	Toeplitz Matrix3 sources	Easy	50%	69.7%
#912	Sort an Array3 sources	Medium	50%	55.9%
#35	Search Insert Position3 sources	Easy	50%	51.7%
#805	Split Array With Same Average3 sources	Hard	50%	27.2%
#182	Duplicate Emails3 sourcesSQL	Easy	50%	74.0%
#1125	Smallest Sufficient Team3 sources	Hard	50%	55.7%
#312	Burst Balloons3 sources	Hard	50%	63.9%
#181	Employees Earning More Than Their Managers3 sourcesSQL	Easy	50%	73.5%
#73	Set Matrix Zeroes3 sources	Medium	48%	63.3%
#128	Longest Consecutive Sequence3 sources	Medium	48%	47.2%
#852	Peak Index in a Mountain Array3 sources	Medium	48%	66.8%
#2006	Count Number of Pairs With Absolute Difference K3 sources	Easy	45%	85.4%
#198	House Robber3 sources	Medium	45%	53.4%
#17	Letter Combinations of a Phone Number3 sources	Medium	45%	66.4%
#977	Squares of a Sorted Array3 sources	Easy	45%	73.9%
#167	Two Sum II - Input Array Is Sorted3 sources	Medium	45%	65.4%
#230	Kth Smallest Element in a BST3 sources	Medium	45%	77.0%
#31	Next Permutation3 sources	Medium	41%	45.6%
#118	Pascal's Triangle3 sources	Easy	41%	79.1%
#202	Happy Number3 sources	Easy	41%	59.9%
#204	Count Primes3 sources	Medium	41%	36.2%
#206	Reverse Linked List3 sources	Easy	41%	80.8%
#239	Sliding Window Maximum3 sources	Hard	41%	49.0%
#19	Remove Nth Node From End of List3 sources	Medium	41%	52.0%
#155	Min Stack3 sources	Medium	41%	58.4%
#876	Middle of the Linked List3 sources	Easy	41%	82.1%
#1068	Product Sales Analysis I3 sourcesSQL	Easy	41%	85.9%
#238	Product of Array Except Self3 sources	Medium	41%	69.1%
#22	Generate Parentheses3 sources	Medium	38%	78.9%
#78	Subsets3 sources	Medium	38%	82.5%
#543	Diameter of Binary Tree3 sources	Easy	38%	65.8%
#287	Find the Duplicate Number3 sources	Medium	38%	64.6%
#485	Max Consecutive Ones3 sources	Easy	38%	65.6%
#416	Partition Equal Subset Sum3 sources	Medium	38%	49.7%
#51	N-Queens3 sources	Hard	38%	76.0%
#23	Merge k Sorted Lists3 sources	Hard	38%	60.0%
#1480	Running Sum of 1d Array3 sources	Easy	38%	87.0%
#956	Tallest Billboard3 sources	Hard	38%	51.9%
#567	Permutation in String3 sources	Medium	38%	49.2%
#875	Koko Eating Bananas3 sources	Medium	38%	50.2%
#297	Serialize and Deserialize Binary Tree3 sources	Hard	38%	61.1%
#81	Search in Rotated Sorted Array II3 sources	Medium	38%	40.2%
#90	Subsets II3 sources	Medium	38%	61.6%
#153	Find Minimum in Rotated Sorted Array3 sources	Medium	38%	55.0%
#8	String to Integer (atoi)3 sources	Medium	38%	21.3%
#516	Longest Palindromic Subsequence3 sources	Medium	38%	65.7%
#83	Remove Duplicates from Sorted List3 sources	Easy	38%	57.1%
#300	Longest Increasing Subsequence3 sources	Medium	38%	59.7%
#234	Palindrome Linked List3 sources	Easy	38%	58.3%
#122	Best Time to Buy and Sell Stock II3 sources	Medium	38%	71.3%
#151	Reverse Words in a String3 sources	Medium	38%	57.0%
#412	Fizz Buzz3 sources	Easy	38%	75.7%
#532	K-diff Pairs in an Array3 sources	Medium	38%	46.1%
#1148	Article Views I3 sourcesSQL	Easy	38%	76.7%
#45	Jump Game II3 sources	Medium	38%	43.1%
#263	Ugly Number3 sources	Easy	38%	43.8%
#462	Minimum Moves to Equal Array Elements II3 sources	Medium	38%	62.1%
#146	LRU Cache3 sources	Medium	38%	47.6%
#2095	Delete the Middle Node of a Linked List3 sources	Medium	38%	60.9%
#414	Third Maximum Number3 sources	Easy	38%	39.8%
#2099	Find Subsequence of Length K With the Largest Sum3 sources	Easy	38%	57.3%
#1493	Longest Subarray of 1's After Deleting One Element3 sources	Medium	38%	71.3%
#496	Next Greater Element I3 sources	Easy	38%	76.5%
#455	Assign Cookies3 sources	Easy	38%	55.3%
#27	Remove Element3 sources	Easy	38%	62.1%
#435	Non-overlapping Intervals3 sources	Medium	38%	57.4%
#303	Range Sum Query - Immutable3 sources	Easy	38%	72.7%
#46	Permutations3 sources	Medium	38%	82.1%
#74	Search a 2D Matrix3 sources	Medium	38%	54.3%
#1581	Customer Who Visited but Did Not Make Any Transactions3 sourcesSQL	Easy	38%	67.9%
#443	String Compression3 sources	Medium	38%	60.3%
#3689	Maximum Total Subarray Value I3 sources	Medium	38%	71.9%
#180	Consecutive Numbers3 sourcesSQL	Medium	38%	48.8%
#21	Merge Two Sorted Lists3 sources	Easy	38%	68.5%
#179	Largest Number3 sources	Medium	38%	43.3%
#1757	Recyclable and Low Fat Products3 sourcesSQL	Easy	38%	88.6%
#85	Maximal Rectangle3 sources	Hard	38%	59.2%
#1075	Project Employees I3 sourcesSQL	Easy	38%	67.0%
#124	Binary Tree Maximum Path Sum3 sources	Hard	38%	42.5%
#48	Rotate Image3 sources	Medium	38%	80.4%
#1518	Water Bottles3 sources	Easy	38%	72.6%
#584	Find Customer Referee	Easy	38%	73.1%
#162	Find Peak Element2 sources	Medium	37%	0.5%
#143	Reorder List3 sources	Medium	32%	65.7%
#570	Managers with at Least 5 Direct Reports3 sourcesSQL	Medium	32%	49.2%
#739	Daily Temperatures3 sources	Medium	32%	68.9%
#724	Find Pivot Index3 sources	Easy	32%	63.2%
#347	Top K Frequent Elements3 sources	Medium	32%	66.8%
#111	Minimum Depth of Binary Tree3 sources	Easy	32%	53.3%
#196	Delete Duplicate Emails3 sourcesSQL	Easy	32%	66.3%
#100	Same Tree3 sources	Easy	32%	67.5%
#175	Combine Two Tables3 sourcesSQL	Easy	32%	79.7%
#394	Decode String3 sources	Medium	32%	62.9%
#200	Number of Islands3 sources	Medium	32%	64.7%
#860	Lemonade Change3 sources	Easy	32%	59.3%
#2951	Find the Peaks2 sources	Easy	32%	0.8%
#3731	Find Missing Elements2 sources	Easy	32%	0.9%
#231	Power of Two3 sources	Easy	25%	50.3%
#577	Employee Bonus3 sourcesSQL	Easy	25%	77.7%
#704	Binary Search3 sources	Easy	25%	61.1%
#273	Integer to English Words3 sources	Hard	25%	35.1%
#1025	Divisor Game3 sources	Easy	25%	72.1%
#229	Majority Element II3 sources	Medium	25%	56.5%
#2461	Maximum Sum of Distinct Subarrays With Length K3 sources	Medium	25%	43.2%
#141	Linked List Cycle3 sources	Easy	25%	54.7%
#1378	Replace Employee ID With The Unique Identifier3 sourcesSQL	Easy	25%	83.6%
#1497	Check If Array Pairs Are Divisible by k3 sources	Medium	25%	46.2%
#2563	Count the Number of Fair Pairs3 sources	Medium	25%	52.6%
#2703	Return Length of Arguments Passed3 sources	Easy	25%	94.5%
#1910	Remove All Occurrences of a Substring3 sources	Medium	25%	78.6%
#459	Repeated Substring Pattern3 sources	Easy	25%	48.5%
#3330	Find the Original Typed String I3 sources	Easy	25%	72.1%
#164	Maximum Gap3 sources	Medium	25%	52.5%
#1751	Maximum Number of Events That Can Be Attended II3 sources	Hard	25%	63.4%
#328	Odd Even Linked List3 sources	Medium	25%	62.6%
#109	Convert Sorted List to Binary Search Tree3 sources	Medium	25%	66.9%
#713	Subarray Product Less Than K3 sources	Medium	25%	54.7%
#3136	Valid Word3 sources	Easy	25%	50.9%
#1614	Maximum Nesting Depth of the Parentheses3 sources	Easy	25%	85.0%
#142	Linked List Cycle II3 sources	Medium	25%	58.5%
#495	Teemo Attacking3 sources	Easy	25%	57.9%
#209	Minimum Size Subarray Sum3 sources	Medium	25%	52.2%
#94	Binary Tree Inorder Traversal3 sources	Easy	25%	80.3%
#1015	Smallest Integer Divisible by K3 sources	Medium	25%	54.2%
#184	Department Highest Salary3 sourcesSQL	Medium	25%	58.6%
#1365	How Many Numbers Are Smaller Than the Current Number3 sources	Easy	25%	87.5%
#319	Bulb Switcher3 sources	Medium	25%	56.1%
#10	Regular Expression Matching3 sources	Hard	25%	31.2%
#350	Intersection of Two Arrays II3 sources	Easy	25%	60.1%
#994	Rotting Oranges3 sources	Medium	25%	59.0%
#3714	Longest Balanced Substring II3 sources	Medium	25%	41.9%
#38	Count and Say3 sources	Medium	25%	63.3%
#523	Continuous Subarray Sum3 sources	Medium	25%	31.5%
#1143	Longest Common Subsequence3 sources	Medium	25%	59.3%
#566	Reshape the Matrix3 sources	Easy	25%	65.2%
#6	Zigzag Conversion3 sources	Medium	25%	54.5%
#409	Longest Palindrome3 sources	Easy	25%	56.1%
#1823	Find the Winner of the Circular Game3 sources	Medium	25%	82.3%
#160	Intersection of Two Linked Lists3 sources	Easy	25%	64.2%
#127	Word Ladder3 sources	Hard	25%	46.0%
#1021	Remove Outermost Parentheses3 sources	Easy	25%	87.3%
#746	Min Cost Climbing Stairs3 sources	Easy	25%	68.5%
#2667	Create Hello World Function3 sources	Easy	25%	81.9%
#796	Rotate String3 sources	Easy	25%	66.9%
#744	Find Smallest Letter Greater Than Target3 sources	Easy	25%	59.4%
#1295	Find Numbers with Even Number of Digits3 sources	Easy	25%	79.9%
#16	3Sum Closest3 sources	Medium	25%	48.9%
#57	Insert Interval3 sources	Medium	25%	45.5%
#905	Sort Array By Parity3 sources	Easy	25%	76.6%
#1281	Subtract the Product and Sum of Digits of an Integer3 sources	Easy	25%	86.6%
#59	Spiral Matrix II3 sources	Medium	25%	75.4%
#448	Find All Numbers Disappeared in an Array3 sources	Easy	25%	64.4%
#525	Contiguous Array3 sources	Medium	25%	51.7%
#104	Maximum Depth of Binary Tree3 sources	Easy	25%	78.4%
#1833	Maximum Ice Cream Bars3 sources	Medium	25%	77.2%
#203	Remove Linked List Elements3 sources	Easy	25%	54.9%
#1402	Reducing Dishes3 sources	Hard	25%	76.8%
#692	Top K Frequent Words3 sources	Medium	25%	60.4%
#1523	Count Odd Numbers in an Interval Range3 sources	Easy	25%	54.6%
#383	Ransom Note3 sources	Easy	25%	66.2%
#904	Fruit Into Baskets3 sources	Medium	25%	51.7%
#1679	Max Number of K-Sum Pairs3 sources	Medium	25%	57.2%
#177	Nth Highest Salary3 sourcesSQL	Medium	25%	39.5%
#987	Vertical Order Traversal of a Binary Tree3 sources	Hard	25%	54.2%
#442	Find All Duplicates in an Array3 sources	Medium	25%	77.0%
#1456	Maximum Number of Vowels in a Substring of Given Length3 sources	Medium	25%	62.3%
#735	Asteroid Collision3 sources	Medium	25%	48.4%
#80	Remove Duplicates from Sorted Array II	Medium	25%	64.9%
#1492	The kth Factor of n	Medium	25%	70.5%
#1512	Number of Good Pairs	Easy	25%	89.9%
#670	Maximum Swap	Medium	25%	52.1%
#3163	String Compression III	Medium	25%	67.1%
#1368	Minimum Cost to Make at Least One Valid Path in a Grid	Hard	25%	71.1%
#979	Distribute Coins in Binary Tree	Medium	25%	77.3%
#405	Convert a Number to Hexadecimal	Easy	25%	54.5%
#930	Binary Subarrays With Sum	Medium	25%	69.3%
#503	Next Greater Element II2 sources	Medium	24%	0.7%
#24	Swap Nodes in Pairs2 sources	Medium	24%	0.7%
#3658	GCD of Odd and Even Sums2 sources	Easy	24%	0.9%
#632	Smallest Range Covering Elements from K Lists2 sources	Hard	24%	0.7%
#901	Online Stock Span2 sources	Medium	24%	0.7%
#172	Factorial Trailing Zeroes2 sources	Medium	24%	0.5%
#645	Set Mismatch2 sources	Easy	24%	0.4%
#215	Kth Largest Element in an Array2 sources	Medium	24%	0.7%
#572	Subtree of Another Tree2 sources	Easy	24%	0.5%
#700	Search in a Binary Search Tree2 sources	Easy	24%	0.8%
#881	Boats to Save People2 sources	Medium	24%	0.6%
#134	Gas Station2 sources	Medium	24%	0.5%
#1806	Minimum Number of Operations to Reinitialize a Permutation2 sources	Medium	24%	0.7%
#1464	Maximum Product of Two Elements in an Array2 sources	Easy	24%	0.8%
#2009	Minimum Number of Operations to Make Array Continuous2 sources	Hard	24%	0.5%
#292	Nim Game2 sources	Easy	24%	0.6%
#205	Isomorphic Strings2 sources	Easy	24%	0.5%
#374	Guess Number Higher or Lower2 sources	Easy	24%	0.6%
#25	Reverse Nodes in k-Group2 sources	Hard	24%	0.7%
#733	Flood Fill2 sources	Easy	24%	0.7%

Showing 263 of 263 questionsWindow: All Time

tcs Technical Interview Overview & Company-Wise Questions

Software engineering and technical interviews at tcs emphasize real-world problem solving, algorithmic efficiency, and scalable data structure design. The curated dataset above contains 263 verified LeetCode problems, categorized by frequency and filtered across recent interview seasons.

Frequently Asked Questions

What are the top LeetCode questions for tcs?

Leading questions include Friday Purchases I, Two Sum, Longest Palindromic Substring. 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 tcs?

You can practice all 263 tcs 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 tcs coding rounds?

Begin by reviewing Medium-difficulty problems (122 tracked), which constitute the majority of technical rounds. Complement coding practice with foundational DSA patterns like Sliding Window, Two Pointers, and Graph Traversal.

Explore Peer Tech Firms

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Recommended Patterns

Dynamic Programming Graph Traversal Two Pointers Roadmap Graph