@[天才小萧](/user/427617)
整数除法自动向下取整,请将其一个换成小数。
```cpp
min=ceil(n*1.0/s*m);
```
by liuzimingc @ 2021-01-11 21:25:40
@[liuzimingc](/user/421781) 好的
by 蒟蒻珂学家 @ 2021-01-11 21:28:31
@[liuzimingc](/user/421781) 还是不行啊```cpp
#include <iostream>
#include <cmath>
using namespace std;
int main(){
int n, s, m, min;
cin >> n;
for(int i = 0; i < 3; i++){
cin >> s >> m;
if(i == 0){
min = ceil(n * 1.0 / s * m);
}else{
if(ceil(n * 1.0 / s * m) < min){
min = ceil(n / s * m);
}
}
}cout << min;
return 0;
}
```
by 蒟蒻珂学家 @ 2021-01-11 21:29:59
@[天才小萧](/user/427617)
望丰展?使MD。
by liuzimingc @ 2021-01-11 21:38:16
@[天才小萧](/user/427617)
~~您真棒~~
```cpp
#include <iostream>
#include <cmath>
using namespace std;
int main(){
int n, s, m, min;
cin >> n;
for(int i = 0; i < 3; i++){
cin >> s >> m;
if(i == 0){
min = ceil(n * 1.0 / s * m);
}else{
if(ceil(n * 1.0 / s * m) < min){
min = ceil(n / s * m);//这里
}
}
}cout << min;
return 0;
}
```
看到了吗?
by liuzimingc @ 2021-01-11 21:39:59
@[liuzimingc](/user/421781) 嗯 我真棒【滑稽】
可还是不行【emm...】
```cpp
#include <iostream>
#include <cmath>
using namespace std;
int main(){
int n, s, m, min;
cin >> n;
for(int i = 0; i < 3; i++){
cin >> s >> m;
if(i == 0){
min = ceil(n * 1.0 / s * m);
}else{
if(ceil(n * 1.0 / s * m) < min){
min = ceil(n * 1.0 / s * m);
}
}
}cout << min;
return 0;
}
```
by 蒟蒻珂学家 @ 2021-01-11 22:15:27
还是AC10个WA10个
by 蒟蒻珂学家 @ 2021-01-11 22:16:14
有人在吗
by 蒟蒻珂学家 @ 2021-01-12 22:51:47