```cpp
#include<stdio.h>
#include<math.h>
int main()
{
int m,n,s,t;
scanf("%d%d%d",&m,&t,&s);
if(t==0) printf("0");//是==捏
else
{
n=m-ceil(1.0*s/t);
if(n<=0) printf("0");
else printf("%d",n);
}
return 0;
}//关注谢谢
```
@[yxx051110](/user/1281107)
by z_z_b_ @ 2024-04-13 16:26:49
@[z_z_b_](/user/956129) 写的好啊
by wjr_jok @ 2024-04-13 16:38:14
@[z_z_b_](/user/956129)
帅,写的好是好
友善提醒：
~~本怨种只是发了核心代码就被举报删了~~
__最好不要发题解__
by yzy110601 @ 2024-04-13 16:51:12