求求了
by cccyyyxxx @ 2023-06-19 21:36:01
37行前向星
by bdfs_then_csdn @ 2023-06-19 21:40:32
还有，数组小了，你得乘个k，而且是无向图，得开到1e6
by bdfs_then_csdn @ 2023-06-19 21:41:06
思路或许没什么问题qwq
by bdfs_then_csdn @ 2023-06-19 21:41:54
37行哪错了？@[bdfs_then_csdn](/user/369041)
by cccyyyxxx @ 2023-06-19 21:43:10
也许比得2e6，层之间还有边 @[cccyyyxxx](/user/449051)
by bdfs_then_csdn @ 2023-06-19 21:43:26
i=head[i]啊
by bdfs_then_csdn @ 2023-06-19 21:43:47
谢谢！！@[bdfs_then_csdn](/user/369041)
by cccyyyxxx @ 2023-06-19 21:45:37