| 5838 | BZOJ1838：凸包2 | 0 | 0 | 0.000% |
| 6838 | BZOJ2838：小强的积木 | 0 | 0 | 0.000% |
| 7838 | BZOJ3838：[Pa2013]Raper | 0 | 0 | 0.000% |
| 8838 | BZOJ4838：[Lydsy2017年4月月赛]平方计数器 | 0 | 0 | 0.000% |
| 304381 | CF838A. Binary Blocks | 0 | 0 | 0.000% |
| 304382 | CF838B. Diverging Directions | 0 | 0 | 0.000% |
| 304383 | CF838C. Future Failure | 0 | 0 | 0.000% |
| 304384 | CF838D. Airplane Arrangements | 0 | 0 | 0.000% |
| 304385 | CF838E. Convex Countour | 0 | 0 | 0.000% |
| 304386 | CF838F. Expected Earnings | 0 | 0 | 0.000% |
| 309935 | CF1762A. Divide and Conquer | 0 | 0 | 0.000% |
| 309936 | CF1762B. Make Array Good | 0 | 0 | 0.000% |
| 309937 | CF1762C. Binary Strings are Fun | 0 | 0 | 0.000% |
| 309938 | CF1762D. GCD Queries | 0 | 0 | 0.000% |
| 309939 | CF1762E. Tree Sum | 0 | 0 | 0.000% |
| 309940 | CF1762F. Good Pairs | 0 | 0 | 0.000% |
| 309941 | CF1762G. Unequal Adjacent Elements | 0 | 0 | 0.000% |
| 310465 | CF1838A. Blackboard List | 0 | 0 | 0.000% |
| 310466 | CF1838B. Minimize Permutation Subarrays | 0 | 0 | 0.000% |
| 310467 | CF1838C. No Prime Differences | 0 | 0 | 0.000% |
| 310468 | CF1838D. Bracket Walk | 0 | 0 | 0.000% |
| 310469 | CF1838E. Count Supersequences | 0 | 0 | 0.000% |
| 310470 | CF1838F. Stuck Conveyor | 0 | 0 | 0.000% |