fork download
copy 
  1. #include <stdio.h>
  2. #include <math.h>
  3.  
  4. struct Triangle {
  5.     double a;
  6.     double b;
  7.     double c;
  8. };
  9.  
  10. int main(void) {
  11.     struct Triangle x;
  12.     double d, s;
  13.  
  14.     scanf("%lf %lf %lf", &x.a, &x.b, &x.c);
  15.  
  16.     d = (x.a + x.b + x.c) / 2.0;
  17.  
  18.     s = sqrt(d * (d - x.a) * (d - x.b) * (d - x.c));
  19.  
  20.     printf("a:%d\n", (int)x.a);
  21.     printf("b:%d\n", (int)x.b);
  22.     printf("c:%d\n", (int)x.c);
  23.     printf("三角形の面積:%f\n", s);
  24.  
  25.     return 0;
  26. }
Success #stdin #stdout 0.01s 5316KB
comments (?)
stdin
copy 
5 5 5
stdout
copy 
a:5
b:5
c:5
三角形の面積:10.825318
https://ideone.com/eqtwkt
language:
C (gcc 8.3)
created:
3 days ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!