```
long long fun(int x,int y,int z)
```
```
ll fun(ll x,ll y ll z)
```
by __ZXYAKIOI__ @ 2021-08-25 14:59:33
@[Nobody_Zhang](/user/116903) 还有错误，看看题解吧qwq
by __ZXYAKIOI__ @ 2021-08-25 14:59:56