| 1276 | 【基础】挖地雷的算法(mine.cpp) | 普及/提高- | 6/107 | |
| 1824 | 【提高】01string | 普及/提高- | 1/2 | |
| 1942 | 【提高】回文质数 Prime Palindromes | 普及/提高- | 2/104 | |
| 2638 | Crossing River | 普及/提高- | 12/23 | |
| 2652 | Lake Counting | 普及/提高- | 4/16 | |
| 4217 | 异或和 | 普及/提高- | 0/74 | |
| 4433 | 「一本通 6.3 练习 1」X-factor Chain | 普及/提高- | 0/0 | |
| 4642 | [USACO1.5] 回文质数 Prime Palindromes | 普及/提高- | 0/1 | |
| 4750 | A-B 数对 | 普及/提高- | 0/0 | |
| 4764 | [USACO1.5] 回文质数 Prime Palindromes | 普及/提高- | 0/27 | |
| 4781 | [USACO10OCT] Lake Counting S | 普及/提高- | 0/1 | |
| 4827 | A-B 数对 | 普及/提高- | 0/4 | |
| 4860 | [NOIP 2016 普及组] 海港 | 普及/提高- | 0/0 | |
| 4871 | 【模板】字符串哈希 | 普及/提高- | 0/2 | |
| 4876 | [TJOI2010] 阅读理解 | 普及/提高- | 0/2 | |
| 4896 | A-B 数对 | 普及/提高- | 0/1 | |
| 4907 | 魔族密码 | 普及/提高- | 0/0 | |
| 4910 | 逛画展 | 普及/提高- | 0/0 | |
| 4938 | [USACO11NOV] Cow Lineup S | 普及/提高- | 0/1 | |
| 4939 | [USACO16OPEN] Diamond Collector S | 普及/提高- | 0/1 | |
| 4945 | [POI 2008] PLA-Postering | 普及/提高- | 0/0 | |
| 4947 | [TJOI2010] 阅读理解 | 普及/提高- | 0/1 | |