/*
 * array2D.cpp     (sklar/05-apr-2009)
 *
 * this program demonstrates the use of 2-dimensional arrays
 *
 */

#include <stdlib.h>
#include <sys/time.h>
#include <iostream>
using namespace std;

/*
 * declare global variables
 */
const int LENGTH = 3;
const int WIDTH  = 4;


/*
 * declare and define the printArray() function to display the
 * elements of the array that is passed as an argument to the function
 */
void printArray( int myArray[][WIDTH], int length, int width ) {
  for ( int y=0; y<length; y++ ) {
    for ( int x=0; x<width; x++ ) {
      cout << "(" << x << "," << y << ") = " << myArray[y][x] << "   ";
    } // end for x
    cout << endl;
  } // end for y
} // end printArray()


/*
 * declare and define the initArray() function to initialize the
 * elements of the array to random numbers between 1 and 10
 */
void initArray( int myArray[][WIDTH], int length, int width ) {
  for ( int y=0; y<length; y++ ) {
    for ( int x=0; x<width; x++ ) {
      myArray[y][x] = ( rand() % 10 ) + 1;
    } // end for x
  } // end for y
} // end of initArray()


/**
 * define main() function
 */
int main() {
  int myArray[LENGTH][WIDTH];
  // initialize random seed
  srand( time( NULL ));
  // call function to initialize the elements of the array
  initArray( myArray, LENGTH, WIDTH );
  // now call function to print the array, passing it as an argument
  printArray( myArray, LENGTH, WIDTH );
} // end of main()