#include <stdio.h>
int sub(int n)            /*定义函数递归求鱼的总数*/
{
    if (n == 1)           /*当n等于1时递归结束*/
    {
        static int i = 0;
        do
        {
            i++;
        }
        while (i % 5 != 0);
        return (i + 1);         /*5人平分后多出一条*/
    }
    else
    {
        int t;
        do
        {
            t = sub(n - 1);
        }
        while (t % 4 != 0);
        return (t / 4 * 5+1);
    }
}
main()
{
    int total;
    total=sub(5);           /*调用递归函数*/
    printf("The total number of fish is %d\n",total);
    return 0;
}
如何执行编译的,老师能说下具体的流程吗