| 5890 | BZOJ1890：树形控件 | 0 | 0 | 0.000% |
| 6890 | BZOJ2890：序列的故事 | 0 | 0 | 0.000% |
| 7890 | BZOJ3890：[Usaco2015 Jan]Meeting Time | 0 | 0 | 0.000% |
| 8890 | BZOJ4890：[Tjoi2017]城市 | 0 | 0 | 0.000% |
| 304664 | CF890A. ACM ICPC | 0 | 0 | 0.000% |
| 304665 | CF890B. Vlad and Cafes | 0 | 0 | 0.000% |
| 304666 | CF890C. Petya and Catacombs | 0 | 0 | 0.000% |
| 304667 | CF890D. Restoration of string | 0 | 0 | 0.000% |
| 304668 | CF890E. Maximum Element | 0 | 0 | 0.000% |
| 304669 | CF890F. Symmetric Projections | 0 | 0 | 0.000% |
| 310588 | CF1856A. Tales of a Sort | 0 | 0 | 0.000% |
| 310589 | CF1856B. Good Arrays | 0 | 0 | 0.000% |
| 310590 | CF1856C. To Become Max | 0 | 0 | 0.000% |
| 310591 | CF1856D. More Wrong | 0 | 0 | 0.000% |
| 310592 | CF1856E1. PermuTree (easy version) | 0 | 0 | 0.000% |
| 310593 | CF1856E2. PermuTree (hard version) | 0 | 0 | 0.000% |
| 310802 | CF1890A. Doremy's Paint 3 | 0 | 0 | 0.000% |
| 310803 | CF1890B. Qingshan Loves Strings | 0 | 0 | 0.000% |
| 310804 | CF1890C. Qingshan Loves Strings 2 | 0 | 0 | 0.000% |
| 310805 | CF1890D. Doremy's Connecting Plan | 0 | 0 | 0.000% |
| 310806 | CF1890E1. Doremy's Drying Plan (Easy Version) | 0 | 0 | 0.000% |
| 310807 | CF1890E2. Doremy's Drying Plan (Hard Version) | 0 | 0 | 0.000% |
| 310808 | CF1890F. Game of Stacks | 0 | 0 | 0.000% |
| 407750 | GYM102890 A Acing the contest | 0 | 0 | 0.000% |
| 407751 | GYM102890 B Beautiful Necklaces | 0 | 0 | 0.000% |
| 407752 | GYM102890 C Counting triangles | 0 | 0 | 0.000% |
| 407753 | GYM102890 D Debugging the network | 0 | 0 | 0.000% |
| 407754 | GYM102890 E End of the year bonus | 0 | 0 | 0.000% |
| 407755 | GYM102890 F Fit them all | 0 | 0 | 0.000% |
| 407756 | GYM102890 G Gold Fever | 0 | 0 | 0.000% |
| 407757 | GYM102890 H How to Work Less to Pass a Programming Course in Planet E-13 | 0 | 0 | 0.000% |
| 407758 | GYM102890 I Is this the best deal? | 0 | 0 | 0.000% |
| 407759 | GYM102890 J Jaime's greedy delivery | 0 | 0 | 0.000% |
| 407760 | GYM102890 K K contestants | 0 | 0 | 0.000% |
| 407761 | GYM102890 L Let's count words | 0 | 0 | 0.000% |
| 407762 | GYM102890 M Mathematics society problem | 0 | 0 | 0.000% |
| 407763 | GYM102890 N Network connection | 0 | 0 | 0.000% |