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Booking.com LeetCode Questions 2026

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

Last updated: 20 Feb 2026

Timeframe

Difficulty

Problem	Difficulty	Frequency	Topics
Delete Duplicate Folders in System	HARD	87.5%	ArrayHash TableStringTrieHash Function
Reward Top K Students	MEDIUM	100%	ArrayHash TableStringSortingHeap (Priority Queue)
Coloring A Border	MEDIUM	87.5%	ArrayDepth-First SearchBreadth-First SearchMatrix
Two Out of Three	EASY	87.5%	ArrayHash TableBit Manipulation
K Highest Ranked Items Within a Price Range	MEDIUM	87.5%	ArrayBreadth-First SearchSortingHeap (Priority Queue)Matrix
Maximal Square	MEDIUM	62.5%	ArrayDynamic ProgrammingMatrix
Sliding Window Maximum	HARD	87.5%	ArrayQueueSliding WindowHeap (Priority Queue)Monotonic Queue
Order Two Columns Independently	MEDIUM	87.5%	Database
Reconstruct Itinerary	HARD	62.5%	ArrayStringDepth-First SearchGraph TheorySortingHeap (Priority Queue)Eulerian Circuit
Integer to Roman	MEDIUM	62.5%	Hash TableMathString
Permutations	MEDIUM	75%	ArrayBacktracking
LRU Cache	MEDIUM	62.5%	Hash TableLinked ListDesignDoubly-Linked List
Roman to Integer	EASY	50%	Hash TableMathString
Longest Valid Parentheses	HARD	50%	StringDynamic ProgrammingStack

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