7 curated coding interview questions directly asked in Optiver technical rounds, sorted by frequency with recency and difficulty diagnostics.
| ID | Problem | Difficulty | Topic | Pattern | Acceptance | Frequency | Recency |
|---|---|---|---|---|---|---|---|
| 1206 | Design Skiplist | Hard | Linked List; Design | Two Pointers; Data Structure Design | 59.7% | 100.0% | 3m |
| 3822 | Design Order Management System | Medium | Design | Data Structure Design | 78.9% | 87.5% | all |
| 622 | Design Circular Queue | Medium | Stack / Queue; Design | Monotonic Stack / Simulation; Data Structure Design | 54.7% | 75.0% | 3m |
| 1360 | Number of Days Between Two Dates | Easy | Core DSA | Implementation / Reasoning | 52.8% | 75.0% | 6m |
| 146 | LRU Cache | Medium | Design | Data Structure Design | 47.4% | 75.0% | all |
| 121 | Best Time to Buy and Sell Stock | Easy | Core DSA | Implementation / Reasoning | 56.8% | 62.5% | all |
| 122 | Best Time to Buy and Sell Stock II | Medium | Core DSA | Implementation / Reasoning | 71.1% | 62.5% | all |