- C
- C++
- Java
- C#
- Python
C
#include <stdio.h>
int main()
{
int n = 5;
int i,j;
for(i = 1; i <= n; i++)
{
for (j = 1; j <= n; j++)
{
if (i == 1 || i == n || j == 1 || j == n)
printf("1 ");
else
printf(" ");
}
printf("\n");
}
return 0;
}