题解 | #计算球体的体积#

#include<stdio.h>
int main()
{
    int n, h, m;
    while (~scanf("%d%d%d", &n, &h, &m) != 0)
    {
        if (m%h != 0)
            printf("%d\n", n - m / h - 1);
        else if (m%h == 0)
            printf("%d\n", n - m / h);
        else(h*n > m);
        {
            ;                 //第一次忘了；
            break;
        }
    }
    return 0;
}