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北京大学《ACM/ICPC大学生程序设计竞赛训练》暑期课面向全球招生!

把题意读明白很重要

Posted by lddlinan at 2019-04-19 22:53:00 on Problem 3275
刚开始一直以为×任意一种情况×的最小查询个数, 原来是要一个满足×所有情况×的最小查询个数。。。。。。。

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