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Box LeetCode Questions 2026

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

Last updated: 20 Feb 2026

Timeframe

Difficulty

Problem	Difficulty	Frequency	Topics
Word Ladder	HARD	62.5%	Hash TableStringBreadth-First Search
Number of 1 Bits	EASY	100%	Divide and ConquerBit Manipulation
Top K Frequent Words	MEDIUM	100%	ArrayHash TableStringTrieSortingHeap (Priority Queue)Bucket SortCounting
Redundant Connection	MEDIUM	62.5%	Depth-First SearchBreadth-First SearchUnion-FindGraph Theory
Rotate Array	MEDIUM	75%	ArrayMathTwo Pointers
Univalued Binary Tree	EASY	62.5%	TreeDepth-First SearchBreadth-First SearchBinary Tree
Knight Dialer	MEDIUM	62.5%	Dynamic Programming

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