| 5851 | BZOJ1851：Pku2759 Distributing tasks | 0 | 0 | 0.000% |
| 6851 | BZOJ2851：极限满月 | 0 | 0 | 0.000% |
| 7851 | BZOJ3851：2048 | 0 | 0 | 0.000% |
| 8851 | BZOJ4851：[Jsoi2016]位运算 | 0 | 0 | 0.000% |
| 304459 | CF851A. Arpa and a research in Mexican wave | 0 | 0 | 0.000% |
| 304460 | CF851B. Arpa and an exam about geometry | 0 | 0 | 0.000% |
| 304461 | CF851C. Five Dimensional Points | 0 | 0 | 0.000% |
| 304462 | CF851D. Arpa and a list of numbers | 0 | 0 | 0.000% |
| 304463 | CF851E. Arpa and a game with Mojtaba | 0 | 0 | 0.000% |
| 310140 | CF1788A. One and Two | 0 | 0 | 0.000% |
| 310141 | CF1788B. Sum of Two Numbers | 0 | 0 | 0.000% |
| 310142 | CF1788C. Matching Numbers | 0 | 0 | 0.000% |
| 310143 | CF1788D. Moving Dots | 0 | 0 | 0.000% |
| 310144 | CF1788E. Sum Over Zero | 0 | 0 | 0.000% |
| 310145 | CF1788F. XOR, Tree, and Queries | 0 | 0 | 0.000% |
| 310555 | CF1851A. Escalator Conversations | 0 | 0 | 0.000% |
| 310556 | CF1851B. Parity Sort | 0 | 0 | 0.000% |
| 310557 | CF1851C. Tiles Comeback | 0 | 0 | 0.000% |
| 310558 | CF1851D. Prefix Permutation Sums | 0 | 0 | 0.000% |
| 310559 | CF1851E. Nastya and Potions | 0 | 0 | 0.000% |
| 310560 | CF1851F. Lisa and the Martians | 0 | 0 | 0.000% |
| 310561 | CF1851G. Vlad and the Mountains | 0 | 0 | 0.000% |
| 402679 | GYM100851 A Adjustment Office | 0 | 0 | 0.000% |
| 402680 | GYM100851 B Binary vs Decimal | 0 | 0 | 0.000% |
| 402681 | GYM100851 C Cactus Jubilee | 0 | 0 | 0.000% |
| 402682 | GYM100851 D Distance on Triangulation | 0 | 0 | 0.000% |
| 402683 | GYM100851 E Easy Problemset | 0 | 0 | 0.000% |
| 402684 | GYM100851 F Froggy Ford | 0 | 0 | 0.000% |
| 402685 | GYM100851 G Generators | 0 | 0 | 0.000% |
| 402686 | GYM100851 H Hypercube | 0 | 0 | 0.000% |
| 402687 | GYM100851 I Iceberg Orders | 0 | 0 | 0.000% |
| 402688 | GYM100851 J Jump | 0 | 0 | 0.000% |
| 402689 | GYM100851 K King's Inspection | 0 | 0 | 0.000% |
| 402690 | GYM100851 L Landscape Improved | 0 | 0 | 0.000% |