Files
2023-08-03 09:22:52 +08:00

13 lines
163 B
C++

#include<cstdio>
using namespace std;
int main()
{
int n,x,y;
scanf("%d%d%d",&n,&x,&y);
n-=y/x;
if(y%x!=0) n--;
if(n<0) n=0;
printf("%d\n",n);
return 0;
}