| 6849 | BZOJ2849：和谐串 | 0 | 0 | 0.000% |
| 7849 | BZOJ3849：ZCC loves traffic lights | 0 | 0 | 0.000% |
| 8849 | BZOJ4849：[Neerc2016]Mole Tunnels | 0 | 0 | 0.000% |
| 304448 | CF849A. Odds and Ends | 0 | 0 | 0.000% |
| 304449 | CF849B. Tell Your World | 0 | 0 | 0.000% |
| 304450 | CF849C. From Y to Y | 0 | 0 | 0.000% |
| 304451 | CF849D. Rooter's Song | 0 | 0 | 0.000% |
| 304452 | CF849E. Goodbye Souvenir | 0 | 0 | 0.000% |
| 310159 | CF1791A. Codeforces Checking | 0 | 0 | 0.000% |
| 310160 | CF1791B. Following Directions | 0 | 0 | 0.000% |
| 310161 | CF1791C. Prepend and Append | 0 | 0 | 0.000% |
| 310162 | CF1791D. Distinct Split | 0 | 0 | 0.000% |
| 310163 | CF1791E. Negatives and Positives | 0 | 1 | 0.000% |
| 310164 | CF1791F. Range Update Point Query | 0 | 1 | 0.000% |
| 310165 | CF1791G1. Teleporters (Easy Version) | 0 | 0 | 0.000% |
| 310166 | CF1791G2. Teleporters (Hard Version) | 0 | 0 | 0.000% |