您的dfs函数好像没return，爆栈了
by zhangjiahe__ @ 2024-02-04 20:21:39
@[EasonX](/user/733488)
by zhangjiahe__ @ 2024-02-04 20:22:38
好吧……
by EasonX @ 2024-02-04 20:41:31
@[EasonX](/user/733488) 这题还要用dfs？
至于吗？一个结构体，一个cmp的事
by wangqicheng1637 @ 2024-03-10 16:16:40
@[wangqicheng1637](/user/935889) 我就是这么写的，不喜勿喷
by EasonX @ 2024-03-16 18:19:43
@[EasonX](/user/733488) 6
by wangqicheng1637 @ 2024-03-23 08:25:17