ID 题目 显示标签 隐藏标签 AC / 尝试 难度
220 P1220   NUMBER BASE CONVERSION 0 / 0 (无)
221 P1221   UNIMODAL PALINDROMIC DECOMPOSITIONS 0 / 0 (无)
222 P1222   EXTENDED LIGHTS OUT 0 / 0 (无)
223 P1223   DEHUFF 0 / 0 (无)
224 P1224   PICTURE PUZZLE 0 / 0 (无)
225 P1225   STRICTLY INSCRIBED SIMILAR TRIANGLES 0 / 0 (无)
226 P1226   Substrings 0 / 0 (无)
227 P1227   RoboContest 0 / 0 (无)
228 P1228   Grandpa's Estate 0 / 0 (无)
229 P1229   Wild Domains 0 / 0 (无)
230 P1230   Pass-Muraille 0 / 0 (无)
231 P1231   The Alphabet Game 0 / 0 (无)
232 P1232   Microfiches 0 / 0 (无)
233 P1233   Street Crossing 0 / 1 10
234 P1234   Ball Toss 0 / 0 (无)
235 P1235   Galactic Breakup 0 / 0 (无)
236 P1236   Network of Schools 0 / 0 (无)
237 P1237   The Postal Worker Rings Once 0 / 0 (无)
238 P1238   Arbitrage 0 / 0 (无)
239 P1239   Increasing Sequences 0 / 0 (无)

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