如果该图不连通则输出 orz
by Jim_Franklin @ 2023-10-07 21:23:32
find错了
by dare_ @ 2023-10-07 21:24:22
@[dare_](/user/690243) 但我while了啊
by kevin4 @ 2023-10-07 21:29:24
@[Jim_Franklin](/user/686342) 谢谢
by kevin4 @ 2023-10-07 21:33:58