计算两个数的差额并储存结果

/**
 * @purpose : calculate the  difference between some numbers, and store the difference in the two-dimensional pointer then display them
 * @author : Huyao
 * @date : Dec4, 2011
 * @version : 1.0.0
 */

#include <stdio.h>
#include <stdlib.h>

int main()
{
    int num ;
    int no_rows ;
    int index1 ;
    int index2 ;
    int **theArray ;
    int *theNumbers ;

    printf( "Enter the number of numbers:" ) ;
    scanf( "%d", &num ) ;
    no_rows = num - 1 ; /* calculate the row of the array */

    /* Allocate memory for each element of the theNumbers */
    theNumbers = ( int * )malloc( num * sizeof( int ) ) ;
    if ( theNumbers == NULL )
    {
        printf( "Cannot allocate memory" ) ;
        exit( 1 ) ;
    }