C++程序设计-2.11

#include<iostream>
using namespace std;
int main()
{
	cout << "Enter the number of years: ";
	int n;
	cin >> n;
	cout << "The population in 5 years is " << int(n * 365 * 24 * 3600 / 45.0 + n * 365 * 24 * 3600 / 7 - n * 365 * 24 * 3600 / 13);
	return 0;
}

Emmm

日常作业。