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Yelp LeetCode Questions 2026

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

Last updated: 20 Feb 2026

Timeframe

Difficulty

Problem	Difficulty	Frequency	Topics
Two Sum	EASY	100%	ArrayHash Table
Longest Substring Without Repeating Characters	MEDIUM	100%	Hash TableStringSliding Window
Longest Common Prefix	EASY	100%	ArrayStringTrie
Group Anagrams	MEDIUM	100%	ArrayHash TableStringSorting
Merge Intervals	MEDIUM	100%	ArraySorting
Word Ladder II	HARD	100%	Hash TableStringBacktrackingBreadth-First Search
Word Ladder	HARD	100%	Hash TableStringBreadth-First Search
Reverse Words in a String	MEDIUM	100%	Two PointersString
Active Businesses	MEDIUM	100%	Database
Reverse Linked List	EASY	100%	Linked ListRecursion
Course Schedule	MEDIUM	100%	Depth-First SearchBreadth-First SearchGraph TheoryTopological Sort
The Skyline Problem	HARD	100%	ArrayDivide and ConquerBinary Indexed TreeSegment TreeSweep LineSortingHeap (Priority Queue)Ordered Set
Valid Anagram	EASY	100%	Hash TableStringSorting
Top K Frequent Elements	MEDIUM	100%	ArrayHash TableDivide and ConquerSortingHeap (Priority Queue)Bucket SortCountingQuickselect
Insert Delete GetRandom O(1)	MEDIUM	100%	ArrayHash TableMathDesignRandomized
Insert Delete GetRandom O(1) - Duplicates allowed	HARD	100%	ArrayHash TableMathDesignRandomized
Decode String	MEDIUM	100%	StringStackRecursion
Filter Restaurants by Vegan-Friendly, Price and Distance	MEDIUM	100%	ArraySorting
String Compression	MEDIUM	100%	Two PointersString
Destination City	EASY	100%	ArrayHash TableString

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