#include <stdio.h>
#include <math.h>

/* gcc test.racine.c /usr/lib/libm.a -o racine */

int main(void)
{
	int i,j;
	for (i=1;i<20;i=i+1)
	{	for (j=i;j<20;j=j+1)
		{	if (i != j)
			{
		double chiffre = (double)((i*i)+(j*j)) , racine;
		racine = sqrt(chiffre);
		printf("racine %d^2 + %d^2 = %f \n",i,j,racine);
			}
		}
	}
		return 0;
}