#include <stdio.h>
main(){
 int n, h, c1, c2, vabsoluto; /* vabsoluto - valor absoluto |c1-c2|*/
 c1=1; c2=1;
 /* verifica se h=1,2,3,...,n (hipotenusa) é de triangulo retangulo
    com catetos c1 e c2 */
 printf("Digite o valor de n \n", n);
 scanf("%d", &n);
 printf("Valor digitado de n = %d \n", n);
 for(h=1; h<=n; h=h+1){
    while(c1<=h){
        if(c1>c2) vabsoluto= c1-c2;
           else vabsoluto=c2-c1;
        while( vabsoluto < h){ /* propriedade |c1-c2| < h */
          if( (h*h == c1*c1+c2*c2) && (c1<=c2))
             printf("\n *** h=%d, c1=%d, c2=%d, h*h= %d, c1*c1+c2*c2= %d \n",
                            h,    c1,    c2,    h*h,     c1*c1+c2*c2);
          c2=c2+1;
          if(c1>c2) vabsoluto= c1-c2;
             else vabsoluto=c2-c1;
          }
      c2=1; c1=c1+1;}
    c1=1;c2=1;}
  printf("\n acabou!\n");
} /* fim main */