数学趣题——猴子吃桃问题

an / 2 – 1 = an+1

#include <stdio.h>

int main()
{
    int sum = 1, i;
    for (i = 9; i >= 1; i--)
    {
        sum = (sum + 1) * 2;
    }
    printf("the num of peace are %d\n", sum);
    return 0;
}