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

Interview question tracker

Turing SDE 1

The 35 highest-frequency questions from all time. Finish the strongest signals first.

One question at a time.

Top questions 35

Done	Question	LeetCode
Mark Longest Substring Without Repeating Characters completed	Longest Substring Without Repeating Characters	Solve
Mark Validate IP Address completed	Validate IP Address	Solve
Mark Valid Parentheses completed	Valid Parentheses	Solve
Mark Koko Eating Bananas completed	Koko Eating Bananas	Solve
Mark Minimum Cost For Tickets completed	Minimum Cost For Tickets	Solve
Mark Minimum Length of Anagram Concatenation completed	Minimum Length of Anagram Concatenation	Solve
Mark Baseball Game completed	Baseball Game	Solve
Mark Longest Arithmetic Subsequence completed	Longest Arithmetic Subsequence	Solve
Mark Apply Operations to Make Sum of Array Greater Than or Equal to k completed	Apply Operations to Make Sum of Array Greater Than or Equal to k	Solve
Mark Longest Palindromic Substring completed	Longest Palindromic Substring	Solve
Mark Minimum Adjacent Swaps for K Consecutive Ones completed	Minimum Adjacent Swaps for K Consecutive Ones	Solve
Mark Minimum Number of Operations to Satisfy Conditions completed	Minimum Number of Operations to Satisfy Conditions	Solve
Mark Best Time to Buy and Sell Stock completed	Best Time to Buy and Sell Stock	Solve
Mark Number of Islands completed	Number of Islands	Solve
Mark Two Sum completed	Two Sum	Solve
Mark Ugly Number II completed	Ugly Number II	Solve
Mark 3Sum completed	3Sum	Solve
Mark Count Square Sum Triples completed	Count Square Sum Triples	Solve
Mark Degree of an Array completed	Degree of an Array	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 Group Anagrams completed	Group Anagrams	Solve
Mark Jump Game completed	Jump Game	Solve
Mark K Divisible Elements Subarrays completed	K Divisible Elements Subarrays	Solve
Mark Kth Largest Element in an Array completed	Kth Largest Element in an Array	Solve
Mark Maximum Subarray completed	Maximum Subarray	Solve
Mark Median of Two Sorted Arrays completed	Median of Two Sorted Arrays	Solve
Mark Merge Intervals completed	Merge Intervals	Solve
Mark Minimum Cost Walk in Weighted Graph completed	Minimum Cost Walk in Weighted Graph	Solve
Mark Minimum Number of Operations to Make Word K-Periodic completed	Minimum Number of Operations to Make Word K-Periodic	Solve
Mark Non-decreasing Array completed	Non-decreasing Array	Solve
Mark Partition Array Into Three Parts With Equal Sum completed	Partition Array Into Three Parts With Equal Sum	Solve
Mark Permutation Sequence completed	Permutation Sequence	Solve
Mark Product of Array Except Self completed	Product of Array Except Self	Solve
Mark Race Car completed	Race Car	Solve
Mark Sum of Digit Differences of All Pairs completed	Sum of Digit Differences of All Pairs	Solve