all Pythagorean triplets in the range 1 to 20

#include<stdio.h>
#include<conio.h>
void main()
{
int side1,side2,hyp;clrscr();
printf("Pythagorean triples between 1 to 20 :");
for(side1=1;side1<=20;side1++)
  for(side2=1;side2<=20;side2++)
      for(hyp=1;hyp<=20;hyp++)
     if((side1*side1+side2*side2)==hyp*hyp )

   printf("\n %d  %d  %d",side1,side2,hyp);
getch();
}