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真的是自己写的哦！ 题目：https://vjudge.net/contest/182418#problem/B B - The Suspects POJ - 1611 Severe acute respiratory syndrome (SARS), an atypical pneumonia o 阅读全文
摘要：
简单并查集 题目：https://vjudge.net/contest/182418#problem/A A - Wireless Network POJ - 2236 An earthquake takes place in Southeast Asia. The ACM (Asia Cooper 阅读全文