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Crowdstrike DSA Interview Questions
11 curated coding interview questions directly asked in Crowdstrike technical rounds, sorted by frequency with recency and difficulty diagnostics.
11
Total Questions
3 (27%)
Easy Problems
7 (64%)
Medium Problems
1 (9%)
Hard Problems
🔥 Most Tested Topics:
Graphs (3)Strings (3)Core DSA (3)Arrays (2)Dynamic Programming (1)
📂 Sourced Datasets:
Last 6 monthsAll questionsOlder than 6 months
| ID | Problem | Difficulty | Topic | Pattern | Acceptance | Frequency | Recency |
|---|---|---|---|---|---|---|---|
| 200 | Number of Islands | Medium | Graphs | BFS / DFS / Topological Sort | 64.4% | 100.0% | 6m |
| 443 | String Compression | Medium | Strings | Hashing / Sliding Window | 60.0% | 87.5% | 6m |
| 271 | Encode and Decode Strings | Medium | Strings; Dynamic Programming; Stack / Queue | Hashing / Sliding Window; State Transition; Monotonic Stack / Simulation | 51.6% | 87.5% | all |
| 981 | Time Based Key-Value Store | Medium | Core DSA | Implementation / Reasoning | 49.9% | 75.0% | all |
| 56 | Merge Intervals | Medium | Arrays | Sorting / Prefix / Scan | 51.8% | 75.0% | all |
| 283 | Move Zeroes | Easy | Core DSA | Two Pointers | 63.8% | 62.5% | all |
| 42 | Trapping Rain Water | Hard | Core DSA | Two Pointers | 67.4% | 62.5% | all |
| 977 | Squares of a Sorted Array | Easy | Arrays | Sorting / Prefix / Scan | 73.8% | 62.5% | all |
| 207 | Course Schedule | Medium | Graphs | BFS / DFS / Topological Sort | 51.4% | 62.5% | all |
| 20 | Valid Parentheses | Easy | Strings | Hashing / Sliding Window | 44.2% | 62.5% | all |
| 133 | Clone Graph | Medium | Graphs | BFS / DFS / Topological Sort | 65.3% | 62.5% | all |