如果有一个牧场与一些牛所在的牧场不相连，那么这个牧场作为终点时，就有dis是无穷大，res统计时就会爆int，须特判
by Deamer @ 2023-07-11 12:01:34
感恩
by Alen33 @ 2023-07-13 09:22:31
@[Deamer](/user/585962) 感谢大佬的解答 orz%%%
by w_camellia @ 2023-08-04 14:11:57
感恩
by in_3 @ 2023-09-26 09:05:22
感谢大佬orz
by JQJqj_ @ 2024-01-06 21:47:36