20.48. Write a program that read and display a matrix.

#include<stdio.h> 

#include<conio.h>
void main ()
{

int i, j,r,c, *a[10];
clrscr();

for(i=0;i<10;i++)

st=(char *)malloc(sizeof(char)*100);
printf ("How many row: "); 

scanf ("%d", &r);
printf ("How many column: ");
scanf ("%d",&c);
for (i=0; i<r; i++)
for (j=0; j<c; j++)
scanf ("%d", &a[i][j]);
for (i=0; i<r; i++) 

{
for (j=0; j<c; j++) 

printf("%4d", *(*(a+i)+j)); 

printf("\n");
}

getch ();

}