题解 | #KiKi和酸奶#

#include <stdio.h>

int main()
{
    int n,h,m,x,y;
    scanf("%d %d %d",&n,&h,&m);
    x=m/h;
    if(m%h==0){
        y=n-x;
        printf("%d",y);
    }
    else{
        y=n-x-1;
        printf("%d",y);
    }
    return 0;
}