All companies
Optum
2 Easy4 Medium1 Hard7 total
| No. | Problem | Difficulty | Frequency |
|---|---|---|---|
| 2000 | Reverse Prefix of Word | Easy | |
| 1555 | Bank Account Summary | Medium | |
| 1143 | Longest Common Subsequence | Medium | |
| 53 | Maximum Subarray | Medium | |
| 1 | Two Sum | Easy | |
| 432 | All O`one Data Structure | Hard | |
| 3 | Longest Substring Without Repeating Characters | Medium |