[C++]: Check Files.

#include <iostream>
#include <fstream>

using namespace std;

int main(){

    ifstream myfile;
    double x;
    double sum = 0;
    char filename[50];

    cout <<"Enter the file name: ";
    cin.getline(filename,50);

    myfile.open(filename);

    if(myfile.is_open()){

        while(myfile >> x){

            cout << x << endl;
            sum += x;
        }
        cout << "result: " << x << endl;
    } else cout << "Error ocoured" << endl;

    system("PAUSE");
    return 0;
}