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Interview question tracker

Yahoo Coding Interview Questions — All time

Practice 152 coding questions from Yahoo company-tagged LeetCode lists across all available reporting periods. Explore reported interview questions and track your progress.

Company-wide data from Fahad7177-jeh/leetcode-company-wise-questions; see its AGPL-3.0 license. All-time questions also use dataengineervishal/leetcode-companywise-questions (MIT license).

Reporting periods reflect source data, not verified interview dates. Questions can recur; inclusion does not guarantee they will appear in your interview.

Updated weekly · Latest source check: 15 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 152

Done	Question	LeetCode
Mark Two Sum completed	Two Sum	Solve
Mark Contains Duplicate completed	Contains Duplicate	Solve
Mark LRU Cache completed	LRU Cache	Solve
Mark Maximum Depth of Binary Tree completed	Maximum Depth of Binary Tree	Solve
Mark Reverse Linked List completed	Reverse Linked List	Solve
Mark Roman to Integer completed	Roman to Integer	Solve
Mark Binary Number with Alternating Bits completed	Binary Number with Alternating Bits	Solve
Mark Container With Most Water completed	Container With Most Water	Solve
Mark Largest Palindrome Product completed	Largest Palindrome Product	Solve
Mark Linked List Cycle completed	Linked List Cycle	Solve
Mark Longest Substring Without Repeating Characters completed	Longest Substring Without Repeating Characters	Solve
Mark Matrix Cells in Distance Order completed	Matrix Cells in Distance Order	Solve
Mark Maximum Distance in Arrays completed	Maximum Distance in Arrays	Solve
Mark Median of Two Sorted Arrays completed	Median of Two Sorted Arrays	Solve
Mark Non-decreasing Subsequences completed	Non-decreasing Subsequences	Solve
Mark Palindrome Number completed	Palindrome Number	Solve
Mark Peeking Iterator completed	Peeking Iterator	Solve
Mark Serialize and Deserialize Binary Tree completed	Serialize and Deserialize Binary Tree	Solve
Mark Top K Frequent Elements completed	Top K Frequent Elements	Solve
Mark Word Break completed	Word Break	Solve
Mark 3Sum completed	3Sum	Solve
Mark Add Two Numbers completed	Add Two Numbers	Solve
Mark Happy Number completed	Happy Number	Solve
Mark Isomorphic Strings completed	Isomorphic Strings	Solve
Mark Longest Common Prefix completed	Longest Common Prefix	Solve
Mark Merge Intervals completed	Merge Intervals	Solve
Mark Merge Sorted Array completed	Merge Sorted Array	Solve
Mark Merge Two Sorted Lists completed	Merge Two Sorted Lists	Solve
Mark Move Zeroes completed	Move Zeroes	Solve
Mark Number of Islands completed	Number of Islands	Solve
Mark Product of Array Except Self completed	Product of Array Except Self	Solve
Mark Reverse Integer completed	Reverse Integer	Solve
Mark Rotate Image completed	Rotate Image	Solve
Mark Shortest Path in Binary Matrix completed	Shortest Path in Binary Matrix	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 Big Countries completed	Big Countries	Solve
Mark Binary Tree Preorder Traversal completed	Binary Tree Preorder Traversal	Solve
Mark Bitwise AND of Numbers Range completed	Bitwise AND of Numbers Range	Solve
Mark Coin Change completed	Coin Change	Solve
Mark Combination Sum completed	Combination Sum	Solve
Mark Concatenation of Array completed	Concatenation of Array	Solve
Mark Decode String completed	Decode String	Solve
Mark Find All Duplicates in an Array completed	Find All Duplicates in an Array	Solve
Mark Find the Index of the First Occurrence in a String completed	Find the Index of the First Occurrence in a String	Solve
Mark Generate Parentheses completed	Generate Parentheses	Solve
Mark Group Anagrams completed	Group Anagrams	Solve
Mark Largest Rectangle in Histogram completed	Largest Rectangle in Histogram	Solve
Mark Longest Consecutive Sequence completed	Longest Consecutive Sequence	Solve
Mark Longest Repeating Character Replacement completed	Longest Repeating Character Replacement	Solve
Mark Majority Element completed	Majority Element	Solve
Mark Minimum Size Subarray Sum completed	Minimum Size Subarray Sum	Solve
Mark Network Delay Time completed	Network Delay Time	Solve
Mark Plus One completed	Plus One	Solve
Mark Pow(x, n) completed	Pow(x, n)	Solve
Mark Recyclable and Low Fat Products completed	Recyclable and Low Fat Products	Solve
Mark Remove Duplicates from Sorted Array completed	Remove Duplicates from Sorted Array	Solve
Mark Search in Rotated Sorted Array completed	Search in Rotated Sorted Array	Solve
Mark Search Insert Position completed	Search Insert Position	Solve
Mark Set Matrix Zeroes completed	Set Matrix Zeroes	Solve
Mark Sliding Window Maximum completed	Sliding Window Maximum	Solve
Mark Spiral Matrix completed	Spiral Matrix	Solve
Mark Squares of a Sorted Array completed	Squares of a Sorted Array	Solve
Mark String Compression completed	String Compression	Solve
Mark Subarray Sum Equals K completed	Subarray Sum Equals K	Solve
Mark Validate Binary Search Tree completed	Validate Binary Search Tree	Solve
Mark Zigzag Conversion completed	Zigzag Conversion	Solve
Mark Average Selling Price completed	Average Selling Price	Solve
Mark Calculate Money in Leetcode Bank completed	Calculate Money in Leetcode Bank	Solve
Mark Construct String from Binary Tree completed	Construct String from Binary Tree	Solve
Mark Contiguous Array completed	Contiguous Array	Solve
Mark Convert an Array Into a 2D Array With Conditions completed	Convert an Array Into a 2D Array With Conditions	Solve
Mark Count Complete Tree Nodes completed	Count Complete Tree Nodes	Solve
Mark Count Subarrays Where Max Element Appears at Least K Times completed	Count Subarrays Where Max Element Appears at Least K Times	Solve
Mark Counter completed	Counter	Solve
Mark Course Schedule completed	Course Schedule	Solve
Mark Course Schedule II completed	Course Schedule II	Solve
Mark Create Hello World Function completed	Create Hello World Function	Solve
Mark Customer Who Visited but Did Not Make Any Transactions completed	Customer Who Visited but Did Not Make Any Transactions	Solve
Mark Diameter of Binary Tree completed	Diameter of Binary Tree	Solve
Mark Divisor Game completed	Divisor Game	Solve
Mark Edit Distance completed	Edit Distance	Solve
Mark Employees Earning More Than Their Managers completed	Employees Earning More Than Their Managers	Solve
Mark Evaluate Division completed	Evaluate Division	Solve
Mark Find All Anagrams in a String completed	Find All Anagrams in a String	Solve
Mark Find All People With Secret completed	Find All People With Secret	Solve
Mark Find Customer Referee completed	Find Customer Referee	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 Find Minimum in Rotated Sorted Array completed	Find Minimum in Rotated Sorted Array	Solve
Mark Find Peak Element completed	Find Peak Element	Solve
Mark First Unique Character in a String completed	First Unique Character in a String	Solve
Mark Flatten Binary Tree to Linked List completed	Flatten Binary Tree to Linked List	Solve
Mark Flatten Nested List Iterator completed	Flatten Nested List Iterator	Solve
Mark Frequency of the Most Frequent Element completed	Frequency of the Most Frequent Element	Solve
Mark Game Play Analysis IV completed	Game Play Analysis IV	Solve
Mark House Robber completed	House Robber	Solve
Mark Implement Queue using Stacks completed	Implement Queue using Stacks	Solve
Mark Insert Interval completed	Insert Interval	Solve
Mark Insert into a Binary Search Tree completed	Insert into a Binary Search Tree	Solve
Mark Interleaving String completed	Interleaving String	Solve
Mark Intersection of Two Arrays completed	Intersection of Two Arrays	Solve
Mark Is Subsequence completed	Is Subsequence	Solve
Mark Koko Eating Bananas completed	Koko Eating Bananas	Solve
Mark Kth Largest Element in an Array completed	Kth Largest Element in an Array	Solve
Mark Largest Number completed	Largest Number	Solve
Mark Letter Combinations of a Phone Number completed	Letter Combinations of a Phone Number	Solve
Mark Longest Palindromic Substring completed	Longest Palindromic Substring	Solve
Mark Make The String Great completed	Make The String Great	Solve
Mark Managers with at Least 5 Direct Reports completed	Managers with at Least 5 Direct Reports	Solve
Mark Max Consecutive Ones III completed	Max Consecutive Ones III	Solve
Mark Maximal Rectangle completed	Maximal Rectangle	Solve
Mark Maximum Number of Occurrences of a Substring completed	Maximum Number of Occurrences of a Substring	Solve
Mark Maximum Subarray completed	Maximum Subarray	Solve
Mark Meeting Rooms II completed	Meeting Rooms II	Solve
Mark Minimum Length of String After Deleting Similar Ends completed	Minimum Length of String After Deleting Similar Ends	Solve
Mark Minimum Number of Arrows to Burst Balloons completed	Minimum Number of Arrows to Burst Balloons	Solve
Mark Minimum Number of Steps to Make Two Strings Anagram completed	Minimum Number of Steps to Make Two Strings Anagram	Solve
Mark Missing Number completed	Missing Number	Solve
Mark Number of 1 Bits completed	Number of 1 Bits	Solve
Mark Number of Provinces completed	Number of Provinces	Solve
Mark Number of Students Unable to Eat Lunch completed	Number of Students Unable to Eat Lunch	Solve
Mark Odd Even Linked List completed	Odd Even Linked List	Solve
Mark Palindrome Pairs completed	Palindrome Pairs	Solve
Mark Palindromic Substrings completed	Palindromic Substrings	Solve
Mark Partition Array for Maximum Sum completed	Partition Array for Maximum Sum	Solve
Mark Partition Equal Subset Sum completed	Partition Equal Subset Sum	Solve
Mark Pascal's Triangle completed	Pascal's Triangle	Solve
Mark Perfect Squares completed	Perfect Squares	Solve
Mark Permutations completed	Permutations	Solve
Mark Range Sum of BST completed	Range Sum of BST	Solve
Mark Regular Expression Matching completed	Regular Expression Matching	Solve
Mark Remove Duplicate Letters completed	Remove Duplicate Letters	Solve
Mark Remove Linked List Elements completed	Remove Linked List Elements	Solve
Mark Remove Zero Sum Consecutive Nodes from Linked List completed	Remove Zero Sum Consecutive Nodes from Linked List	Solve
Mark Reorganize String completed	Reorganize String	Solve
Mark Reshape Data: Melt completed	Reshape Data: Melt	Solve
Mark Restore IP Addresses completed	Restore IP Addresses	Solve
Mark Search a 2D Matrix completed	Search a 2D Matrix	Solve
Mark Single Number completed	Single Number	Solve
Mark Single Number II completed	Single Number II	Solve
Mark Sort an Array completed	Sort an Array	Solve
Mark Sort Colors completed	Sort Colors	Solve
Mark Sqrt(x) completed	Sqrt(x)	Solve
Mark String to Integer (atoi) completed	String to Integer (atoi)	Solve
Mark Students and Examinations completed	Students and Examinations	Solve
Mark Subarrays with K Different Integers completed	Subarrays with K Different Integers	Solve
Mark Subsets completed	Subsets	Solve
Mark Surrounded Regions completed	Surrounded Regions	Solve
Mark Trapping Rain Water completed	Trapping Rain Water	Solve
Mark Unique Number of Occurrences completed	Unique Number of Occurrences	Solve
Mark Valid Anagram completed	Valid Anagram	Solve
Mark Valid Palindrome completed	Valid Palindrome	Solve