您是样例过不去吗
by Doubleen @ 2019-07-30 22:43:30
建议全局都开longlong
by Doubleen @ 2019-07-30 22:43:47
@[LZCR](/space/show?uid=114479)
by Doubleen @ 2019-07-30 22:44:53
@[Doubleen](/space/show?uid=56432) 第六行
```cpp
#define int long long
```
然后我全局都用了int
by presucc @ 2019-07-31 10:47:49
@[Doubleen](/space/show?uid=56432) 我已经找出错了，不用大佬看了qaq
树剖连边的时候应该是head[x] = ecnt,我写成了head[x]=cnt
by presucc @ 2019-07-31 10:49:06