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 | 36 | 5 | 6 |
| 225 [User Entry] 数据结构 | 47 | 7 | 8 |
| 234 [Sleeping Cup #9] The Zero Point | 30 | 8 | 6 |
章节 2. Collection 1
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| 题目 | 尝试 | AC | 难度 |
|---|---|---|---|
| 209 [Sleeping Cup #8 / CFCOI Collection 1] Fibonacci Equations | 66 | 19 | 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 | 31 | 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
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| 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 | 6 | 5 | 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 | 14 | 4 | 4 |
章节 4. Collection 3
开放
| 题目 | 尝试 | AC | 难度 |
|---|---|---|---|
| 274 [CFCOI Collection 3] Lowbit Sum | 2 | 2 | 4 |
| 275 [CFCOI Collection 3] Astronomical Observation | 7 | 2 | 7 |
| 276 [CFCOI Collection 3] Minister Versus Elephant | 2 | 2 | 7 |
| 277 [CFCOI Collection 3] Degree Variance | 2 | 2 | 8 |
章节 5. Collection 4
开放
| 题目 | 尝试 | AC | 难度 |
|---|---|---|---|
| 303 [CFCOI Collection 4] 送分小水题 | 11 | 7 | 1 |
| 304 [CFCOI Collection 4] 树上构造题 | 5 | 4 | 2 |
| 305 [CFCOI Collection 4] 排列游戏 3 | 3 | 2 | 5 |
| 306 [CFCOI Collection 4] 木棍题 | 3 | 3 | 4 |
| 307 [CFCOI Collection 4] 交通规划 2 | 3 | 2 | 5 |
| 308 [CFCOI Collection 4] 最后的滑动窗口问题 2 | 2 | 2 | 5 |
| 309 [CFCOI Collection 4] 01 矩阵计数 | 6 | 2 | 6 |
章节 6. Collection 5
开放
| 题目 | 尝试 | AC | 难度 |
|---|---|---|---|
| 310 [CFCOI Collection 5] 谜题 | 28 | 2 | 10 |
| 311 [CFCOI Collection 5] 简单序列问题 | 5 | 2 | 5 |
| 312 [CFCOI Collection 5] 三倍经验 | 3 | 2 | 4 |
| 313 [CFCOI Collection 5] 翻翻乐 | 2 | 2 | 4 |