CFCOI 的系列题目。
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章节 1. Others
开放
| 题目 | 尝试 | AC | 难度 |
|---|---|---|---|
| 193 [User Entry] Magic Segment Tree | 35 | 7 | 7 |
| 216 [Extra Contest #6 / CFCOI Collection 1 Appendix] Unique Laser Gun | 35 | 5 | 6 |
| 225 [User Entry] 数据结构 | 41 | 8 | 8 |
章节 2. Collection 1
开放
| 题目 | 尝试 | AC | 难度 |
|---|---|---|---|
| 209 [Sleeping Cup #8 / CFCOI Collection 1] Fibonacci Equations | 62 | 17 | 3 |
| 210 [Sleeping Cup #8 / CFCOI Collection 1] Super Laser Gun | 115 | 12 | 4 |
| 211 [Sleeping Cup #8 / CFCOI Collection 1] Balanced Trees | 33 | 11 | 6 |
| 212 [Sleeping Cup #8 / CFCOI Collection 1] Sorrowful Substrings | 38 | 12 | 6 |
| 213 [Sleeping Cup #8 / CFCOI Collection 1] Extraordinary TSP Problem | 30 | 10 | 6 |
| 214 [Sleeping Cup #8 / CFCOI Collection 1] Trivial Array Queries | 85 | 10 | 8 |
| 215 [Sleeping Cup #8 / CFCOI Collection 1] Returning Brooms | 26 | 6 | 8 |
章节 3. Collection 2
开放
| 题目 | 尝试 | AC | 难度 |
|---|---|---|---|
| 239 [CFCOI Collection 2] Free Grid | 51 | 5 | 8 |
| 240 [CFCOI Collection 2] DAG Construction | 8 | 4 | 6 |
| 241 [CFCOI Collection 2] Tangram Numbers | 36 | 4 | 6 |
| 242 [CFCOI Collection 2] Tree Deletion | 4 | 4 | 5 |
| 243 [CFCOI Collection 2] Guessing Binary String | 14 | 5 | 3 |
| 244 [CFCOI Collection 2] Not a Number Theoretical Blocking Problem | 4 | 4 | 5 |
| 245 [CFCOI Collection 2] Square Sum | 5 | 5 | 2 |
| 246 [CFCOI Collection 2] Super Terrain Transformation Simulator | 4 | 4 | 5 |
| 247 [CFCOI Collection 2] Integral IoU Sum | 7 | 5 | 4 |
| 248 [CFCOI Collection 2] Sequence Crypto | 12 | 4 | 4 |