Tehran 2002 Preliminary - 题库

ID	题目显示标签隐藏标签	AC / 尝试	难度
227	P1226 Substrings Tehran 2002 Preliminary	0 / 0	暂无评定
228	P1227 RoboContest Tehran 2002 Preliminary	0 / 0	暂无评定
229	P1228 Grandpa's Estate Tehran 2002 Preliminary	0 / 0	暂无评定
230	P1229 Wild Domains Tehran 2002 Preliminary	0 / 0	暂无评定
231	P1230 Pass-Muraille Tehran 2002 Preliminary	0 / 0	暂无评定
232	P1231 The Alphabet Game Tehran 2002 Preliminary	0 / 0	暂无评定
233	P1232 Microfiches Tehran 2002 Preliminary	0 / 0	暂无评定
234	P1233 Street Crossing Tehran 2002 Preliminary	0 / 0	暂无评定

根据当前过滤条件随机选择一道题

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