题解 | #KiKi和酸奶#

#include <stdio.h>

int main(void)
{
    int n = 0,h = 0,m = 0,flag = 0;
    scanf("%d%d%d",&n,&h,&m);

    if(m <= n * h)
    {
        flag = m/h;
        if(m%h == 0)
        {
            printf("%d",n - flag);
        }
        else
        {
            printf("%d",n - (flag+1));
        }
    }
    return 0;
}