fork download
copy 
  1. #include <stdio.h>
  2.  
  3. #include <math.h>
  4. struct triangle{
  5.     double a;
  6.     double b;
  7.     double c;
  8. };
  9. int main(void){
  10.     struct triangle t;
  11.     double p,s;
  12.     scanf("%lf", &t.a);
  13.     scanf("%lf", &t.b);
  14.     scanf("%lf", &t.c);
  15.     p=(t.a+t.b+t.c)/2.0;
  16.     s=sqrt(p*(p-t.a)*(p-t.b)*(p-t.c));
  17.     printf("a: %g\n",t.a);
  18.     printf("b: %g\n",t.b);
  19.     printf("c: %g\n",t.c);
  20.     printf("三角形の面積 : %lf\n",s);
  21.     return 0;
  22. }
Success #stdin #stdout 0.01s 5320KB
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/CroOw1
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!