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Jane Street DSA Interview Questions
14 curated coding interview questions directly asked in Jane Street technical rounds, sorted by frequency with recency and difficulty diagnostics.
14
Total Questions
7 (50%)
Easy Problems
4 (29%)
Medium Problems
3 (21%)
Hard Problems
🔥 Most Tested Topics:
Core DSA (6)Strings (4)Arrays (2)Design (2)
📂 Sourced Datasets:
Last 3 monthsLast 6 monthsAll questionsOlder than 6 months
| ID | Problem | Difficulty | Topic | Pattern | Acceptance | Frequency | Recency |
|---|---|---|---|---|---|---|---|
| 2 | Add Two Numbers | Medium | Core DSA | Implementation / Reasoning | 48.5% | 100.0% | 3m |
| 2809 | Minimum Time to Make Array Sum At Most x | Hard | Arrays | Sorting / Prefix / Scan | 27.5% | 100.0% | all |
| 874 | Walking Robot Simulation | Medium | Core DSA | Implementation / Reasoning | 64.6% | 100.0% | all |
| 2085 | Count Common Words With One Occurrence | Easy | Strings | Hashing / Sliding Window | 73.4% | 100.0% | all |
| 2296 | Design a Text Editor | Hard | Design | Data Structure Design | 50.7% | 75.0% | all |
| 14 | Longest Common Prefix | Easy | Core DSA | Implementation / Reasoning | 47.6% | 62.5% | all |
| 1032 | Stream of Characters | Hard | Strings | Hashing / Sliding Window | 52.3% | 62.5% | all |
| 2235 | Add Two Integers | Easy | Core DSA | Implementation / Reasoning | 88.0% | 62.5% | all |
| 415 | Add Strings | Easy | Strings | Hashing / Sliding Window | 52.2% | 62.5% | all |
| 495 | Teemo Attacking | Easy | Core DSA | Implementation / Reasoning | 57.7% | 62.5% | all |
| 20 | Valid Parentheses | Easy | Strings | Hashing / Sliding Window | 44.2% | 62.5% | all |
| 146 | LRU Cache | Medium | Design | Data Structure Design | 47.4% | 62.5% | all |
| 1 | Two Sum | Easy | Arrays | Sorting / Prefix / Scan; Two Pointers | 57.5% | 62.5% | all |
| 1801 | Number of Orders in the Backlog | Medium | Core DSA | Implementation / Reasoning | 54.0% | 62.5% | all |