@[qwef_](/user/819212) 啊?您在写我看书都看不懂的东西
by AAA404 @ 2023-08-20 09:09:12
此贴结,原因是
```cpp
G[u].rbegin()->v=v,G[u].rbegin()->w=w,G[u].rbegin()->inv=&*G[v].rbegin();
G[v].rbegin()->v=u,G[v].rbegin()->w=0,G[v].rbegin()->inv=&*G[u].rbegin();
```
vector 动态开点时会把原来的一段内存释放,而结构体里面的指针还指向原来那段内存(
by qwef_ @ 2023-08-20 09:15:01