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Crowdstrike LeetCode Questions 2026

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

Last updated: 10 July 2026

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Timeframe

Difficulty

Problem	Difficulty	Frequency	Topics
String Compression	MEDIUM	100%	Two PointersString
Number of Islands	MEDIUM	100%	ArrayDepth-First SearchBreadth-First SearchUnion-FindMatrix
Move Zeroes	EASY	62.5%	ArrayTwo Pointers
Time Based Key-Value Store	MEDIUM	75%	Hash TableStringBinary SearchDesign
Merge Intervals	MEDIUM	87.5%	ArraySorting
Encode and Decode Strings	MEDIUM	87.5%	ArrayStringDesign
Trapping Rain Water	HARD	62.5%	ArrayTwo PointersDynamic ProgrammingStackMonotonic Stack
Squares of a Sorted Array	EASY	62.5%	ArrayTwo PointersSorting
Course Schedule	MEDIUM	62.5%	Depth-First SearchBreadth-First SearchGraph TheoryTopological Sort
Valid Parentheses	EASY	62.5%	StringStack
Clone Graph	MEDIUM	62.5%	Hash TableDepth-First SearchBreadth-First SearchGraph Theory

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