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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: 10 July 2026

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ProblemDifficultyFrequencyTopics
Word LadderHARD
75%
Hash TableStringBreadth-First Search
Number of 1 BitsEASY
87.5%
Divide and ConquerBit Manipulation
Top K Frequent WordsMEDIUM
100%
ArrayHash TableStringTrieSortingHeap (Priority Queue)Bucket SortCounting
Redundant ConnectionMEDIUM
75%
Depth-First SearchBreadth-First SearchUnion-FindGraph Theory
Rotate ArrayMEDIUM
87.5%
ArrayMathTwo Pointers
Univalued Binary TreeEASY
62.5%
TreeDepth-First SearchBreadth-First SearchBinary Tree
Word Ladder IIHARD
62.5%
Hash TableStringBacktrackingBreadth-First Search

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