@[小风扇vv](/space/show?uid=22097) 不用`long long`谢谢……。
```cpp
ans+=(a[i].num-s)*a[i].w;
```
改成
```cpp
ans+=s*a[i].w;
```
by 童年如作业 @ 2018-10-19 17:34:00
@[童年如作业](/space/show?uid=53695) 谢谢!!!!已经AC了!!!orz!!!
by 小风扇vv @ 2018-10-19 18:25:08