题目描述

代码展示

//猴子吃桃
#include <iostream>

using namespace std;

int main() {
    int day = 9, x1, x2 = 1;
    while (day > 0) {
        x1 = (x2 + 1) * 2;//第１天的桃子数是第２的天的桃子数加１后的２倍
        x2 = x1;
        day--;
    }
    cout << x1;
    //system("pause");
    return 0;
}

答案