#include <fstream>

using namespace std;

ofstream fout;

int main(int argc, char *argv[])
{ 
	fout.open("output.txt");		

	if (fout.fail())
	{
		cout << "Output file has failed to open." << endl;
		exit(1);
	} 
             
             fout << "test" << endl;

             fout.close();
	
	system("PAUSE");
	return 0;
}

void Matrix::print()
{
    for(int i=0; i<=(r-1); i++)
    {
        cout << "  [ ";
        for(int j=0; j<=(c-1); j++)
        {
            cout << elements [i][j] << " ";
        }
        cout << " ]" << endl;
    }
    cout << endl;
}

#include <iostream>
#include <fstream>
#include <iomanip>

using namespace std;

void output(ostream&, int[], int);

int
main() {
    int a[] = { 0, 1, 2 };
    ofstream fout;

    fout.open("output.txt");
    
    output(cout, a, sizeof(a) / sizeof(int));
    output(fout, a, sizeof(a) / sizeof(int));

    fout.close();
    
    return 0;
}

void
output(ostream &out, int a[], int n) {
    const int w = 4;

    out << setw(w) << "[";

    for (int i = 0; i < n; ++i)
        out << setw(w) << a[i];

    out << setw(w) << "]" << endl;
}