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

Interview question tracker

Deloitte SDE 2

The 44 highest-frequency questions from all time. Finish the strongest signals first.

One question at a time.

Top questions 44

Done	Question	LeetCode
Mark Merge k Sorted Lists completed	Merge k Sorted Lists	Solve
Mark Two Sum completed	Two Sum	Solve
Mark Change Null Values in a Table to the Previous Value completed	Change Null Values in a Table to the Previous Value	Solve
Mark Longest Substring Without Repeating Characters completed	Longest Substring Without Repeating Characters	Solve
Mark Second Highest Salary completed	Second Highest Salary	Solve
Mark Valid Parentheses completed	Valid Parentheses	Solve
Mark Best Time to Buy and Sell Stock completed	Best Time to Buy and Sell Stock	Solve
Mark Longest Palindromic Substring completed	Longest Palindromic Substring	Solve
Mark Group Anagrams completed	Group Anagrams	Solve
Mark Longest Common Prefix completed	Longest Common Prefix	Solve
Mark Palindrome Number completed	Palindrome Number	Solve
Mark Container With Most Water completed	Container With Most Water	Solve
Mark Managers with at Least 5 Direct Reports completed	Managers with at Least 5 Direct Reports	Solve
Mark Nth Highest Salary completed	Nth Highest Salary	Solve
Mark 3Sum completed	3Sum	Solve
Mark Add Binary completed	Add Binary	Solve
Mark Climbing Stairs completed	Climbing Stairs	Solve
Mark First Unique Character in a String completed	First Unique Character in a String	Solve
Mark Maximum Subarray completed	Maximum Subarray	Solve
Mark Merge Intervals completed	Merge Intervals	Solve
Mark Minimum Time to Repair Cars completed	Minimum Time to Repair Cars	Solve
Mark Remove Duplicates from Sorted Array completed	Remove Duplicates from Sorted Array	Solve
Mark Valid Anagram completed	Valid Anagram	Solve
Mark Valid Palindrome completed	Valid Palindrome	Solve
Mark Asteroid Collision completed	Asteroid Collision	Solve
Mark Coin Change completed	Coin Change	Solve
Mark Customers Who Never Order completed	Customers Who Never Order	Solve
Mark Edit Distance completed	Edit Distance	Solve
Mark Kth Largest Element in an Array completed	Kth Largest Element in an Array	Solve
Mark Longest Consecutive Sequence completed	Longest Consecutive Sequence	Solve
Mark Max Consecutive Ones completed	Max Consecutive Ones	Solve
Mark Next Permutation completed	Next Permutation	Solve
Mark Remove All Adjacent Duplicates In String completed	Remove All Adjacent Duplicates In String	Solve
Mark Remove K-Balanced Substrings completed	Remove K-Balanced Substrings	Solve
Mark Remove K Digits completed	Remove K Digits	Solve
Mark Reverse Pairs completed	Reverse Pairs	Solve
Mark Reverse Vowels of a String completed	Reverse Vowels of a String	Solve
Mark Rising Temperature completed	Rising Temperature	Solve
Mark Roman to Integer completed	Roman to Integer	Solve
Mark Rotate Array completed	Rotate Array	Solve
Mark Shortest Unsorted Continuous Subarray completed	Shortest Unsorted Continuous Subarray	Solve
Mark Split Array Largest Sum completed	Split Array Largest Sum	Solve
Mark Subarray Sum Equals K completed	Subarray Sum Equals K	Solve
Mark Super Ugly Number completed	Super Ugly Number	Solve