View Code of Problem 140

#include<iostream>
#include<cstring>
#include<cstdio>
#include<string>
#include<cmath>
#include<vector>
#include<algorithm>
using namespace std;
int main()
{
	int z = 12;
	double sum = 0;
	while (z--)
	{
		double a;
		cin >> a;
		sum += a;
	}
	double av = sum / (double)12;
	double av1 = round(av * 100) / 100;
	cout << "$" << av1;
	return 0;
}