C++程序设计-2.13

#include<iostream>
using namespace std;
int main()
{
	cout << "Enter the monthly saving amount: ";
	double account,sum=0;
	cin >> account;
	for (int i = 0; i < 6; i++)
	{
		sum = (sum + account)*(1 + 0.00417);
	}
	cout << "After the sixth month,the account value is " << sum;
	return 0;
}

不行  第二章太水了  还是贴第三章吧。。