All companies
Optiver
2 Easy4 Medium1 Hard7 total
| No. | Problem | Difficulty | Frequency |
|---|---|---|---|
| 622 | Design Circular Queue | Medium | |
| 1360 | Number of Days Between Two Dates | Easy | |
| 3822 | Design Order Management System | Medium | |
| 1206 | Design Skiplist | Hard | |
| 146 | LRU Cache | Medium | |
| 121 | Best Time to Buy and Sell Stock | Easy | |
| 122 | Best Time to Buy and Sell Stock II | Medium |