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链接：https://ac.nowcoder.com/acm/contest/27836/D来源：牛客网 题目描述 树国是一个有n个城市的国家，城市编号为1∼n。连接这些城市的道路网络形如一棵树， 即任意两个城市之间有恰好一条路径。城市中有k个帮派，编号为1∼k。每个帮派会占据一些城市，以进行非法交 阅读全文
posted @ 2022-08-06 22:11
er007
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链接：https://ac.nowcoder.com/acm/contest/33191/J来源：牛客网 题目描述 There are three integers A,BA, BA,B and CCC written on the blackboard. You can perform the f 阅读全文
posted @ 2022-08-06 19:03
er007
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链接：https://ac.nowcoder.com/acm/contest/33191/B来源：牛客网 题目描述 Eezie, a pie maniac, would like to have some pies with her friends on a hot summer day. Howe 阅读全文
posted @ 2022-08-06 18:58
er007
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