Soultion Of Class A

Post date: May 13, 2013 7:56:45 PM

#include <iostream>

#include <fstream>

using namespace std;

double average(double sum,int count)

{

return sum/count;

}

void main()

{

int num;

double sum = 0;

int count = 0;

ofstream ofile;

ofile.open("result.txt");

for(i=0; i<20; i++)

{

cout<<"Enter number ("<<i<<") : ";

cin>>num;

if(num >= 0)         

                {

 count += 1;      

 sum += num;    

        }

}

cout<<"Sum : "<<sum<<endl;

ofile<<"Sum : "<<sum<<endl;

cout<<"Average : "<<average(sum, count)<<endl;

ofile<<"Average : "<<average(sum, count)<<endl;

ofile.close();

system("pause");

}