题解 | #KiKi和酸奶#

#include <stdio.h>

int main()
{
    //定义变量,输入
    int n, h, m;
    int temp = scanf("%d %d %d", &n, &h, &m);
    
    while(temp != EOF)
    {
        //注意取模运算是前面的数除以后面的数
        if(m % h != 0)
        {
            int left = m / h + 1;
            printf("%d\n", (n - left));
        }else
        {
            int left = m / h;
            printf("%d\n", (n - left ));
        }
        break;
    }
    
    return 0;
}