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  1. // Online C compiler to run C program online
  2. #include <stdio.h>
  3. #include <math.h>
  4.  
  5. int main() {
  6.   double A, B, C, aux;
  7.   scanf("%lf %lf %lf", &A, &B, &C);
  8.  
  9.   if(B>A && B>C){ // B é maior
  10.     aux = A;
  11.     A = B;
  12.     B = aux;
  13.   }
  14.   else{ 
  15.     if(C>A && C>B){ // C é o maior
  16.       aux = A;
  17.       A = C;
  18.       C = aux;
  19.     }
  20.   }
  21.  
  22.   if(A>=B+C){
  23.     printf("NAO FORMA TRIANGULO\n");
  24.   }
  25.   else{ // formam um triangulo
  26.     if(A*A==B*B+C*C){
  27.       printf("TRIANGULO RETANGULO");
  28.     }
  29.     if(A*A>B*B+C*C){
  30.       printf("TRIANGULO OBTUSANGULO\n");
  31.     }
  32.     if(A*A<B*B+C*C){
  33.       printf("TRIANGULO ACUTANGULO\n");
  34.     }
  35.  
  36.     if(A==B && B==C && A==C){
  37.       printf("TRIANGULO EQUILATERO\n");
  38.     }
  39.     else{
  40.       if(A==B || B==C || A==C){
  41.         printf("TRIANGULO ISOSCELES\n");
  42.       }
  43.     }     
  44.   }
  45.  
  46.   return 0;
  47. }
Success #stdin #stdout 0s 5316KB
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TRIANGULO RETANGULO
https://ideone.com/dsJ0Aj
language:
C (gcc 8.3)
created:
2 days ago
visibility:
public

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