zoj 1048 该题的要求是求出12个数字的平均数

#include
   
   
    
    
#include
    
    
     
     
#include
     
     
      
      
using namespace std;

int main(int argc, char argv[])
{
	//ifstream cin("F:\\test.txt");
	double number;
	double all = 0.0;
	for (int i = 0; i < 12; i++)
	{
		cin >> number;
		all += number;
	}
	cout << fixed << setprecision(2) << "$" << (all / 12);
	return 0;
}