@[zp20120123](/user/1333393) kruskal每加一条边就让
cnt++
最后判断cnt是否等于n-1就可以了
by wa_wa_wa_wa @ 2024-07-27 13:48:41
求互关$qwq$
by wa_wa_wa_wa @ 2024-07-27 13:56:18
谢谢
by zp20120123 @ 2024-07-27 14:03:45
@[wa_wa_wa_wa](https://www.luogu.com.cn/user/1199324)
我已过关，thank you！
by zp20120123 @ 2024-07-27 15:30:19
只要判断cnt==n-1就OK了
by zhaoyonghao @ 2024-07-31 10:43:38
我就这样写的
by zhaoyonghao @ 2024-07-31 10:44:34