QUESTIONS BY COMPANY

Wayfair LeetCode Questions 2026

Browse LeetCode problems frequently asked by Wayfair. Filter by difficulty and timeframe to focus your interview prep.

Last updated: 20 Feb 2026

Timeframe

Difficulty

Problem	Difficulty	Frequency	Topics
Maximum Number of Vowels in a Substring of Given Length	MEDIUM	62.5%	StringSliding Window
Best Sightseeing Pair	MEDIUM	100%	ArrayDynamic Programming
Valid Palindrome	EASY	62.5%	Two PointersString
Design A Leaderboard	MEDIUM	100%	Hash TableDesignSorting
Maximum Product Subarray	MEDIUM	87.5%	ArrayDynamic Programming
Alert Using Same Key-Card Three or More Times in a One Hour Period	MEDIUM	100%	ArrayHash TableStringSorting
Maximum Number of Balloons	EASY	100%	Hash TableStringCounting
Delete Characters to Make Fancy String	EASY	100%	String
Minimum Moves to Reach Target Score	MEDIUM	100%	MathGreedy
Longest Happy String	MEDIUM	100%	StringGreedyHeap (Priority Queue)
Largest Magic Square	MEDIUM	100%	ArrayMatrixPrefix Sum
Tournament Winners	HARD	100%	Database
Team Scores in Football Tournament	MEDIUM	100%	Database
Add Strings	EASY	87.5%	MathStringSimulation
Group Anagrams	MEDIUM	62.5%	ArrayHash TableStringSorting
Reaching Points	HARD	62.5%	Math
Number of Divisible Substrings	MEDIUM	87.5%	Hash TableStringCountingPrefix Sum
Backspace String Compare	EASY	62.5%	Two PointersStringStackSimulation
Last Person to Fit in the Bus	MEDIUM	62.5%	Database
Sliding Window Maximum	HARD	62.5%	ArrayQueueSliding WindowHeap (Priority Queue)Monotonic Queue

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