| 5899 | BZOJ1899：[Zjoi2004]Lunch 午餐 | 0 | 0 | 0.000% |
| 6250 | BZOJ2250：Pku3899 The Lucky Numbers | 0 | 0 | 0.000% |
| 6899 | BZOJ2899：含糊的安全锁 | 0 | 0 | 0.000% |
| 7899 | BZOJ3899：仙人掌树的同构 | 0 | 0 | 0.000% |
| 8899 | BZOJ 4899 | 0 | 0 | 0.000% |
| 304712 | CF899A. Splitting in Teams | 0 | 0 | 0.000% |
| 304713 | CF899B. Months and Years | 0 | 0 | 0.000% |
| 304714 | CF899C. Dividing the numbers | 0 | 0 | 0.000% |
| 304715 | CF899D. Shovel Sale | 0 | 0 | 0.000% |
| 304716 | CF899E. Segments Removal | 0 | 0 | 0.000% |
| 304717 | CF899F. Letters Removing | 0 | 0 | 0.000% |
| 310755 | CF1882A. Increasing Sequence | 0 | 0 | 0.000% |
| 310756 | CF1882B. Sets and Union | 0 | 0 | 0.000% |
| 310757 | CF1882C. Card Game | 0 | 0 | 0.000% |
| 310758 | CF1882D. Tree XOR | 0 | 0 | 0.000% |
| 310759 | CF1882E1. Two Permutations (Easy Version) | 0 | 0 | 0.000% |
| 310760 | CF1882E2. Two Permutations (Hard Version) | 0 | 0 | 0.000% |
| 310847 | CF1899A. Game with Integers | 0 | 5 | 0.000% |
| 310848 | CF1899B. 250 Thousand Tons of TNT | 0 | 5 | 0.000% |
| 310849 | CF1899C. Yarik and Array | 0 | 10 | 0.000% |
| 310850 | CF1899D. Yarik and Musical Notes | 0 | 6 | 0.000% |
| 310851 | CF1899E. Queue Sort | 0 | 5 | 0.000% |
| 310852 | CF1899F. Alex's whims | 0 | 4 | 0.000% |
| 310853 | CF1899G. Unusual Entertainment | 0 | 2 | 0.000% |
| 407832 | GYM102899 A KK 画猪 | 0 | 0 | 0.000% |
| 407833 | GYM102899 B KK 学几何 | 0 | 0 | 0.000% |
| 407834 | GYM102899 C KK 算日期 | 0 | 0 | 0.000% |
| 407835 | GYM102899 D KK 与卡牌 | 0 | 0 | 0.000% |
| 407836 | GYM102899 E KK 与答辩 | 0 | 0 | 0.000% |
| 407837 | GYM102899 F KK 与刷题 | 0 | 0 | 0.000% |
| 407838 | GYM102899 G KK 看跳舞 | 0 | 0 | 0.000% |
| 407839 | GYM102899 H KK 与十佳 | 0 | 0 | 0.000% |
| 407840 | GYM102899 I KK 买股票 | 0 | 0 | 0.000% |
| 407841 | GYM102899 J KK与英语 | 0 | 0 | 0.000% |
| 407842 | GYM102899 K KK 与线代 | 0 | 0 | 0.000% |
| 407843 | GYM102899 L KK 学五子棋 | 0 | 0 | 0.000% |
| 407844 | GYM102899 M KK 与二叉树 | 0 | 0 | 0.000% |