/*-----
  Contract: main: void -> int

  Purpose: provide examples of nested loops, filling and displaying
           a two-dimensional array of characters
  
  Examples: when the user runs the program fill_2_d, the following should
            be printed to the screen:
a b c
d e f
g h i
j k l

  by: Sharon M. Tuttle 
  last modified: 4-23-07
  -----*/

#include <iostream>
using namespace std;

int main()
{
    const int NUM_ROWS = 4;
    const int NUM_COLS = 3;

    char initials[NUM_ROWS][NUM_COLS];
    char curr_letter = 'a';

    for (int i=0; i < NUM_ROWS; i++)
    {
        // fill all the columns in THIS row

	for (int j=0; j < NUM_COLS; j++)
        {
	    initials[i][j] = curr_letter;
	    curr_letter++;    // this sets curr_letter to the
                              //    next character
	}
    }

    // now, prove the array two_d has contents...

    for (int i = 0; i < NUM_ROWS; i++)
    {
        for (int j = 0; j < NUM_COLS; j++)
        {
            cout << initials[i][j] << " ";
        }

        // make sure you understand WHY this is here ---
        //    ...so that each ROW of characters is followed by
        //    a newline!

        cout << endl;
    }

    return EXIT_SUCCESS;
}