| | 1764 Problem A | 树上改色 | 树链剖分 | | |
| | 2137 Problem B | 水果 | 哈希 | 2 | 3 |
| | 2138 Problem C | 特殊数列 | 哈希 | | 3 |
| | 2128 Problem D | 子串查找 | 字符串 | 9 | 13 |
| | 2131 Problem E | seek the name seek the fame | 字符串 | 3 | 5 |
| | 2134 Problem F | Phone List | trie树 | 2 | 11 |
| | 2136 Problem G | Secret Message 秘密信息 | trie树 | 1 | 1 |
| | 2129 Problem H | 疯狂队列 | 数据结构 | | |
| | 2135 Problem I | 看病 | 数据结构 | 3 | 13 |
| | 1961 Problem J | Keyboarding | BFS | | 11 |
| | 1082 Problem K | [NOIP2016提高]蚯蚓(earthworm) | NOIP提高 | 2 | 9 |
| | 1886 Problem L | 维修电路 | BFS | 2 | 3 |
| | 1818 Problem M | [NOIP2014提高]寻找道路 | NOIP提高 | 2 | 11 |
| | 1320 Problem N | [NOIP2009提高]最优贸易 | NOIP提高 | 1 | 1 |
| | 1075 Problem O | [NOIP2017提高]奶酪 | NOIP提高 | 2 | 18 |
| | 1328 Problem P | [NOIP2018提高]旅行 | NOIP提高 | 2 | 13 |