Write a program to fill the entire screen with a smiling face. The smiling face has an ASCII value 1.

Other ideas..
An infinite loop like the following can also do the job.
for (i=1;i<=1000;)

#include<stdio.h>
main()
{
int i, j;

for (i=1, j=1; j<=5000; j++)

{
printf("%c", i);
}
}