看题解
by 403notfound @ 2023-12-26 12:59:19
解决问题的最好方法就是看题解（无误导向）
by 403notfound @ 2023-12-26 13:00:18
已解决，此贴结。
```cpp
dp[u]+=dp[e[i].v]+p[u];
```
改为
```cpp
dp[u]+=dp[e[i].v]+p[e[i].v];
```
by luo_xiaoran @ 2023-12-26 13:52:46