@[抑或524](/user/334281)
没必要用double吧~
直接用int不就直接下取整嘛
by Eason_AC @ 2020-08-04 10:33:52
@[Eason_AC](/user/112917) 嗯，的确不必要，这题应该是得向上取整吧
by 抑或524 @ 2020-08-04 10:54:43
@[抑或524](/user/334281) 要不你拿我的代码比对一下——
```cpp
#include <cstdio>
#include <algorithm>
using namespace std;
int main() {
int m, t, s, ans;
scanf("%d%d%d", &m, &t, &s);
if(s % t) ans = m - s / t - 1;
else ans = m - s / t;
printf("%d", max(ans, 0));
return 0;
}
```
by Eason_AC @ 2020-08-04 10:55:32