#include <iostream>
#include <fstream>

const int MAXVALUE = 16;

using namespace std;

int main()
{
    int numVals;
    int i, val;
    
    ofstream outfile("randomNums2.txt"); // use ifstream to input from a file
    
    srand(time(0));  // randomize (re-seed) the "random" number generator
    cout << "Write how many random values to the file? ";
    cin >> numVals; 

    outfile << numVals << endl;                    
    for(i = 0; i < numVals; i++)
    {
        val = rand() % 16;        // "random" numbers from 0..15
        outfile << "  " << val;
	if (i % 10 == 9)
	   outfile << "\n";     // newline after each group of 10 values
    }
    
    outfile << "\n";
    
    outfile.close();
    
    return 0;
}

/*

g++ -o randomNumFileCPP randomNumFile.cpp 
./randomNumFileCPP 

Write how many random values to the file? 50


more randomNums2.txt
50
  11  15  12  11  11  15  1  0  0  6
  5  9  8  7  9  13  1  15  11  4
  8  7  8  11  14  9  15  0  3  5
  8  14  4  4  10  15  3  11  15  3
  1  5  12  9  12  5  6  13  4  1



*/