求调，只有十分，不知为何，感觉思路没有问题

P2986 [USACO10MAR] Great Cow Gathering G

写这么麻烦
by xybq @ 2024-02-29 15:09:14

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写这么麻烦
by wenjunyi @ 2024-03-03 11:40:21

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