问题解决，合并写错了
**But why MLE？**
by xht_G @ 2023-11-10 10:44:28
鉴定为：并查集写错导致爆栈了
by MrPython @ 2023-11-10 10:45:03
@[MrPython](/user/679581) thx，此贴结
by xht_G @ 2023-11-10 10:54:36
@[xht_G](/user/823535) ~~bro，村村通我们不是做过吗~~
by Zsy__rnfmabj @ 2023-11-10 10:57:19
@[Zsy__rnfmabj](/user/1041474) 朝花夕拾（bushi
by xht_G @ 2023-11-10 10:58:28