程序代码：

/* Note:Your choice is C IDE */
#include "stdio.h"
void main()
{
    int a[3][4] = {
                     { 1,2,3,4},
                     {5,6,7,8},
                     {9,10,11,12},
                     }  ;
   int i,j;
  

   for (i=0;i<3;++i)
      {
           for (j=0;j<4;++j)
          
          printf ("a[%d][%d] = %d  ",i,j,a[i][j]);
  
        printf ("\n");
      }
}