把第26行改成 ``` a[find(edges[i].u)]=find(edges[i].v); ``` 就行了 by _zuoqingyuan @ 2023-12-24 11:11:33
@[zuoqingyuan](/user/731650) 过了，十分感谢，此贴结 by AC_Fox @ 2023-12-24 11:27:35