猴子吃桃问题

#include
#include
int main()
{
    int peach_num=1;
     int day=9;
    while(day>0)
    {
            peach_num=2*(peach_num+1);
            day--;
            }
            printf("第一天总共摘了%d桃子",peach_num);
            system("PAUSE");
            return 0;