Make your practice count.Sign in to track completed questions across devices. Everything is free to browse.

Interview question tracker

tcs SDE 2

The 64 highest-frequency questions from last 3 months. Finish the strongest signals first.

Updated weekly · Latest source check: 13 Oct 2026ⓘLatest successful check of the sources used by this company. A check does not necessarily mean the questions changed.

One question at a time.

Top questions 64

Done	Question	LeetCode
Mark Rank Transform of an Array completed	Rank Transform of an Array	Solve
Mark Container With Most Water completed	Container With Most Water	Solve
Mark First Missing Positive completed	First Missing Positive	Solve
Mark Two Sum completed	Two Sum	Solve
Mark Integer to Roman completed	Integer to Roman	Solve
Mark Longest Palindromic Substring completed	Longest Palindromic Substring	Solve
Mark Roman to Integer completed	Roman to Integer	Solve
Mark Fibonacci Number completed	Fibonacci Number	Solve
Mark First Unique Character in a String completed	First Unique Character in a String	Solve
Mark Largest Rectangle in Histogram completed	Largest Rectangle in Histogram	Solve
Mark Palindrome Number completed	Palindrome Number	Solve
Mark Longest Consecutive Sequence completed	Longest Consecutive Sequence	Solve
Mark Longest Substring Without Repeating Characters completed	Longest Substring Without Repeating Characters	Solve
Mark Merge Sorted Array completed	Merge Sorted Array	Solve
Mark Second Highest Salary completed	Second Highest Salary	Solve
Mark Valid Anagram completed	Valid Anagram	Solve
Mark Best Time to Buy and Sell Stock completed	Best Time to Buy and Sell Stock	Solve
Mark Group Anagrams completed	Group Anagrams	Solve
Mark Kth Smallest Element in a BST completed	Kth Smallest Element in a BST	Solve
Mark Longest Common Prefix completed	Longest Common Prefix	Solve
Mark Maximum Product of Three Numbers completed	Maximum Product of Three Numbers	Solve
Mark Remove Duplicates from Sorted Array completed	Remove Duplicates from Sorted Array	Solve
Mark Reverse String completed	Reverse String	Solve
Mark 3Sum completed	3Sum	Solve
Mark Contains Duplicate II completed	Contains Duplicate II	Solve
Mark Find Missing Elements completed	Find Missing Elements	Solve
Mark Find Peak Element completed	Find Peak Element	Solve
Mark Find the Peaks completed	Find the Peaks	Solve
Mark Maximum Average Subarray I completed	Maximum Average Subarray I	Solve
Mark Minimum Depth of Binary Tree completed	Minimum Depth of Binary Tree	Solve
Mark Palindrome Linked List completed	Palindrome Linked List	Solve
Mark Peak Index in a Mountain Array completed	Peak Index in a Mountain Array	Solve
Mark Reverse Linked List completed	Reverse Linked List	Solve
Mark Rotate Array completed	Rotate Array	Solve
Mark Sort Colors completed	Sort Colors	Solve
Mark Two Sum II - Input Array Is Sorted completed	Two Sum II - Input Array Is Sorted	Solve
Mark Valid Palindrome completed	Valid Palindrome	Solve
Mark Valid Parentheses completed	Valid Parentheses	Solve
Mark Climbing Stairs completed	Climbing Stairs	Solve
Mark Consecutive Numbers completed	Consecutive Numbers	Solve
Mark Count Primes completed	Count Primes	Solve
Mark Delete Duplicate Emails completed	Delete Duplicate Emails	Solve
Mark Find First and Last Position of Element in Sorted Array completed	Find First and Last Position of Element in Sorted Array	Solve
Mark House Robber completed	House Robber	Solve
Mark Isomorphic Strings completed	Isomorphic Strings	Solve
Mark Maximum Depth of Binary Tree completed	Maximum Depth of Binary Tree	Solve
Mark Maximum Ice Cream Bars completed	Maximum Ice Cream Bars	Solve
Mark Maximum Subarray completed	Maximum Subarray	Solve
Mark Maximum Total Subarray Value I completed	Maximum Total Subarray Value I	Solve
Mark Median of Two Sorted Arrays completed	Median of Two Sorted Arrays	Solve
Mark Minimum Number of Operations to Reinitialize a Permutation completed	Minimum Number of Operations to Reinitialize a Permutation	Solve
Mark Move Zeroes completed	Move Zeroes	Solve
Mark Number of Islands completed	Number of Islands	Solve
Mark Permutation in String completed	Permutation in String	Solve
Mark Remove Duplicates from Sorted List completed	Remove Duplicates from Sorted List	Solve
Mark Reverse Integer completed	Reverse Integer	Solve
Mark Running Sum of 1d Array completed	Running Sum of 1d Array	Solve
Mark Same Tree completed	Same Tree	Solve
Mark Search Insert Position completed	Search Insert Position	Solve
Mark Set Mismatch completed	Set Mismatch	Solve
Mark Single Element in a Sorted Array completed	Single Element in a Sorted Array	Solve
Mark Smallest Range Covering Elements from K Lists completed	Smallest Range Covering Elements from K Lists	Solve
Mark Top K Frequent Words completed	Top K Frequent Words	Solve
Mark Trapping Rain Water completed	Trapping Rain Water	Solve