fork download
copy 
  1. #include <stdio.h>
  2. #include <math.h>
  3.  
  4. typedef struct {
  5.     double a;
  6.     double b;
  7.     double c;
  8. } Triangle;
  9.  
  10. double calculateArea(Triangle t) {
  11.     double s=(t.a+t.b+t.c)/2; 
  12.     return sqrt(s*(s-t.a)*(s-t.b)*(s-t.c)); 
  13. }
  14.  
  15. int main(){
  16.     Triangle t; 
  17.  
  18.     scanf("%lf",&t.a);
  19.     scanf("%lf",&t.b);
  20.     scanf("%lf",&t.c);
  21.  
  22.     double area=calculateArea(t);
  23.  
  24.  
  25.     printf("a:%.lf\n", t.a);
  26.     printf("b:%.lf\n", t.b);
  27.     printf("c:%.lf\n", t.c);
  28.     printf("三角形の面積:%.6f\n", area);
  29.  
  30.     return 0;
  31. }
Success #stdin #stdout 0s 5276KB
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/iiHXGg
language:
C (gcc 8.3)
created:
11 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!