回复请@我。
拜谢大佬 /bx
by Moon_Traveller @ 2023-10-01 18:27:41
过了。
原因：数组开小了。
改成：
```cpp
Edge e[1000006];
int cnt;
int fa[1003];
```
就过了/kk
by Moon_Traveller @ 2023-10-01 18:35:57
来，跟我念：Krus**k**al
by Genshineer @ 2023-10-01 18:39:42
@[long_long_integer](/user/191248) 啊啊对不起对不起，一直以为是 c（
by Moon_Traveller @ 2023-10-01 18:40:35
@[long_long_integer](/user/191248) c 和 k 都可以吧（
by xiaoming007 @ 2023-10-01 18:43:18
@[xiaoming007](/user/938449) 发明这个算法的人叫 ` Joseph Kruskal`
by Genshineer @ 2023-10-01 18:47:40
[This algorithm first appeared in Proceedings of the American Mathematical Society, pp. 48–50 in 1956, and was written by Joseph Kruskal.](https://en.wikipedia.org/wiki/Kruskal%27s_algorithm#:~:text=This%20algorithm%20first%20appeared%20in%20Proceedings%20of%20the%20American%20Mathematical%20Society%2C%20pp.%C2%A048%E2%80%9350%20in%201956%2C%20and%20was%20written%20by%20Joseph%20Kruskal.)
by Genshineer @ 2023-10-01 18:48:35
/bx
by Moon_Traveller @ 2023-10-01 18:49:23
草。我一直念的 kruscal
by xiaoming007 @ 2023-10-01 18:50:50