Answer Posted / faizan n

/*A program to print all primes b\w 1-100*/
#include<stdio.h>
#include<conio.h>

void main()
{
int count,i=1;
int a;
int col=0;
clrscr();

for(i=1; i<101; i++)
{
count=0;
a=1;

while(a<=i)
{
if(i%a==0)
count++;
a++;
}

if(count==2)
{
printf("%d\t",i);
col++;
if(col%10==0)
printf("\n");
}

}
getch();
}

Here is a good puzzle: how do you write a program which produces its own source code as output?

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