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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: 20 Feb 2026

ProblemDifficultyFrequencyTopics
String CompressionMEDIUM
100%
Two PointersString
Number of IslandsMEDIUM
100%
ArrayDepth-First SearchBreadth-First SearchUnion-FindMatrix
Best Time to Buy and Sell StockEASY
62.5%
ArrayDynamic Programming
Move ZeroesEASY
62.5%
ArrayTwo Pointers
Time Based Key-Value StoreMEDIUM
75%
Hash TableStringBinary SearchDesign
Spiral MatrixMEDIUM
62.5%
ArrayMatrixSimulation
Merge IntervalsMEDIUM
87.5%
ArraySorting
Encode and Decode StringsMEDIUM
87.5%
ArrayStringDesign
Trapping Rain WaterHARD
62.5%
ArrayTwo PointersDynamic ProgrammingStackMonotonic Stack
Squares of a Sorted ArrayEASY
75%
ArrayTwo PointersSorting
Course ScheduleMEDIUM
62.5%
Depth-First SearchBreadth-First SearchGraph TheoryTopological Sort
Valid ParenthesesEASY
62.5%
StringStack
Clone GraphMEDIUM
62.5%
Hash TableDepth-First SearchBreadth-First SearchGraph Theory

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