ID 题目 显示标签 隐藏标签 AC / 尝试 难度
204 204   [2026 January TFOJ Easy Round] Supermarket Promotion 1 4 / 8 1
205 205   [2026 January TFOJ Easy Round] Seesaw Management 2 4 / 6 2
206 206   [2026 January TFOJ Easy Round] Simple Range Game 4 / 18 7
207 207   [2026 January TFOJ Easy Round] Interval Product 4 / 6 3
209 209   [Sleeping Cup #8 / CFCOI Collection 1] Fibonacci Equations 19 / 66 3
210 210   [Sleeping Cup #8 / CFCOI Collection 1] Super Laser Gun 12 / 115 4
211 211   [Sleeping Cup #8 / CFCOI Collection 1] Balanced Trees 11 / 33 6
212 212   [Sleeping Cup #8 / CFCOI Collection 1] Sorrowful Substrings 12 / 38 6
213 213   [Sleeping Cup #8 / CFCOI Collection 1] Extraordinary TSP Problem 10 / 31 6
214 214   [Sleeping Cup #8 / CFCOI Collection 1] Trivial Array Queries 10 / 85 8
215 215   [Sleeping Cup #8 / CFCOI Collection 1] Returning Brooms 6 / 26 8
216 216   [Extra Contest #6 / CFCOI Collection 1 Appendix] Unique Laser Gun 5 / 36 6
225 225   [User Entry] 数据结构 7 / 47 8
234 234   [Sleeping Cup #9] The Zero Point 8 / 30 6
239 239   [CFCOI Collection 2] Free Grid 5 / 51 8
240 240   [CFCOI Collection 2] DAG Construction 4 / 8 6
241 241   [CFCOI Collection 2] Tangram Numbers 4 / 36 6
242 242   [CFCOI Collection 2] Tree Deletion 4 / 4 5
243 243   [CFCOI Collection 2] Guessing Binary String 5 / 14 3
244 244   [CFCOI Collection 2] Not a Number Theoretical Blocking Problem 5 / 6 5
245 245   [CFCOI Collection 2] Square Sum 5 / 5 2
246 246   [CFCOI Collection 2] Super Terrain Transformation Simulator 4 / 4 5
247 247   [CFCOI Collection 2] Integral IoU Sum 5 / 7 4
248 248   [CFCOI Collection 2] Sequence Crypto 4 / 14 4
249 249   [2026 February TFOJ Normal Round] Seesaw Management 1 2 / 2 2
250 250   [2026 February TFOJ Normal Round] Digit Equation 2 / 2 5
251 251   [2026 February TFOJ Normal Round] Minimum Spanning Tree 2 / 2 6
252 252   [2026 February TFOJ Normal Round] Charity Auctions 2 / 2 7
257 257   [2026 March TFOJ Easy Round] Addition 1 6 / 6 1
258 258   [2026 March TFOJ Easy Round] Watermelon Purchase 1 4 / 4 1
259 259   [2026 March TFOJ Easy Round] River Drifting 4 / 4 1
260 260   [2026 March TFOJ Easy Round] Linear Geometry 4 / 4 1
261 261   [2026 March TFOJ Easy Round] Watermelon Purchase 2 4 / 4 2
262 262   [2026 March TFOJ Easy Round] Maintenance 4 / 4 1
263 263   [2026 March TFOJ Easy Round] Watermelon Purchase 3 4 / 4 2
264 264   [2026 March TFOJ Easy Round] Picking Candy 4 / 4 4
274 274   [CFCOI Collection 3] Lowbit Sum 2 / 2 4
275 275   [CFCOI Collection 3] Astronomical Observation 2 / 7 7
276 276   [CFCOI Collection 3] Minister Versus Elephant 2 / 2 7
277 277   [CFCOI Collection 3] Degree Variance 2 / 2 8
278 278   [2026 April TFOJ Easy Round] The Previous One 2 / 2 1
279 279   [2026 April TFOJ Easy Round] Fireworks 2 2 / 2 2
280 280   [2026 April TFOJ Easy Round] Blocks 2 / 2 3
281 281   [2026 May TFOJ Easy Round] Addition 2 2 / 2 2
282 282   [2026 May TFOJ Easy Round] Extractions 2 / 2 8
283 283   [2026 May TFOJ Easy Round] Walkthrough 1 2 / 2 3
284 284   [2026 June TFOJ Normal Round] Written Examination 2 / 2 6
285 285   [2026 June TFOJ Normal Round] Ladies And Gentlemen 2 / 2 2
286 286   [2026 June TFOJ Normal Round] Watermelon Purchase 4 2 / 2 2
287 287   [2026 June TFOJ Normal Round] CTFPC 2 2 / 2 3
288 288   [2026 June TFOJ Normal Round] Fibonacci Decomposition 2 / 2 4
289 289   [2026 July TFOJ Normal Round] Product 2 / 3 2
290 290   [2026 July TFOJ Normal Round] Elevator 2 / 3 3
291 291   [2026 July TFOJ Normal Round] Walkthrough 2 2 / 3 3
292 292   [2026 July TFOJ Normal Round] Supermarket Promotion 2 2 / 3 4
293 293   [2026 July TFOJ Normal Round] Junior Arithmetic 2 / 5 1
300 300   [Sleeping Cup #12] CSP-J1/S1 2026 Mock Test 1 / 23 10
303 303   [CFCOI Collection 4] 送分小水题 7 / 11 1
304 304   [CFCOI Collection 4] 树上构造题 4 / 5 2
305 305   [CFCOI Collection 4] 排列游戏 3 2 / 3 5
306 306   [CFCOI Collection 4] 木棍题 3 / 3 4
307 307   [CFCOI Collection 4] 交通规划 2 2 / 3 5
308 308   [CFCOI Collection 4] 最后的滑动窗口问题 2 2 / 2 5
309 309   [CFCOI Collection 4] 01 矩阵计数 2 / 6 6
310 310   [CFCOI Collection 5] 谜题 2 / 28 10
311 311   [CFCOI Collection 5] 简单序列问题 2 / 5 5
312 312   [CFCOI Collection 5] 三倍经验 2 / 3 4
313 313   [CFCOI Collection 5] 翻翻乐 2 / 2 4