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如果两个P是联通的,那么一定可以通过合并成一个P获胜(选择减少两个P之间距离的策略),坐标和为偶数的状态一定输

Posted by lddlinan at 2022-01-21 20:15:38 on Problem 2990
如果P之间不通, 貌似参考答案是判断是否存在最大匹配包含初始状态。。。。不知道怎么证明。。。。。。

而且数据超弱, P不连通的case很少。。。。。

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