| 6831 | BZOJ2831：小强的金字塔 | 0 | 0 | 0.000% |
| 7831 | BZOJ3831：[Poi2014]Little Bird | 0 | 0 | 0.000% |
| 8831 | BZOJ4831：[Lydsy2017年4月月赛]序列操作 | 0 | 0 | 0.000% |
| 304347 | CF831A. Unimodal Array | 0 | 0 | 0.000% |
| 304348 | CF831B. Keyboard Layouts | 0 | 0 | 0.000% |
| 304349 | CF831C. Jury Marks | 0 | 0 | 0.000% |
| 304350 | CF831D. Office Keys | 0 | 0 | 0.000% |
| 304351 | CF831E. Cards Sorting | 0 | 0 | 0.000% |
| 304352 | CF831F. Bamboo Partition | 0 | 0 | 0.000% |
| 309815 | CF1740A. Factorise N+M | 0 | 0 | 0.000% |
| 309816 | CF1740B. Jumbo Extra Cheese 2 | 0 | 0 | 0.000% |
| 309817 | CF1740C. Bricks and Bags | 0 | 0 | 0.000% |
| 309818 | CF1740D. Knowledge Cards | 0 | 0 | 0.000% |
| 309819 | CF1740E. Hanging Hearts | 0 | 0 | 0.000% |
| 309820 | CF1740F. Conditional Mix | 0 | 0 | 0.000% |
| 309821 | CF1740G. Dangerous Laser Power | 0 | 0 | 0.000% |
| 309822 | CF1740H. MEX Tree Manipulation | 0 | 0 | 0.000% |
| 309823 | CF1740I. Arranging Crystal Balls | 0 | 0 | 0.000% |
| 409902 | GYM103831 A Rhomboid tiles | 0 | 0 | 0.000% |
| 409903 | GYM103831 B Skis sorting | 0 | 0 | 0.000% |
| 409904 | GYM103831 C Fire stations | 0 | 0 | 0.000% |
| 409905 | GYM103831 D Labyrinth | 0 | 0 | 0.000% |
| 409906 | GYM103831 E Liberloun | 0 | 0 | 0.000% |
| 409907 | GYM103831 F Necklace, again | 0 | 0 | 0.000% |
| 409908 | GYM103831 G Monetary system of the Land of Fools | 0 | 0 | 0.000% |
| 409909 | GYM103831 H Shopping | 0 | 0 | 0.000% |