Sample C Program On Pointers & 2 - Dimensional Array.

#include <stdio.h>
#include <conio.h>

void input(int**, int, int);
void show(int**, int, int);

main()
{

int a[3][3];
int row = 3, col = 3;
clrscr();

input(( int** )a, row, col);
show(( int** )a, row, col);

getch();
return 0;

}

void input(int **p, int r, int c)
{

int i, j;
for( i = 0; i < r; i++ )
  {
     for( j = 0; j < c; j++ )
       {
          printf(" \n Enter p[%d][%d] element: ", i, j);
          scanf(" %d ", *(p + i) + j);
       }
  }

}

void show(int **p, int r, int c)
{

int i, j;
printf(" \n Matrix is\n ");

for( i = 0; i < r; i++ )
  {
     for( j = 0; j < c; j++ )
          printf(" %d ", *(*(p + i) + j));

printf(" \n ");

  }

}

OUTPUT:

Enter p[0][0] element: 4
Enter p[0][1] element: 6
Enter p[0][2] element: 3
Enter p[1][0] element: 2
Enter p[1][1] element: 8
Enter p[1][2] element: 7
Enter p[2][0] element: 5
Enter p[2][1] element: 1
Enter p[2][2] element: 9

Matrix is
4   6   3
2   8   7
5   1   9




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