fork download
copy 
  1. #include <stdio.h>
  2. #include <math.h>
  3.  
  4. struct shape{
  5. 	double a;
  6. 	double b;
  7. 	double c;
  8. };
  9.  
  10. int main(void){
  11. 	struct shape tri;
  12.  
  13. 	scanf("%lf %lf %lf",&tri.a,&tri.b,&tri.c);
  14. 	double half=(tri.a+tri.b+tri.c)/2;
  15. 	double s=sqrt(half*(half-tri.a)*(half-tri.b)*(half-tri.c));
  16.  
  17. 	printf("a：%lf\n",tri.a);
  18. 	printf("b：%lf\n",tri.b);
  19. 	printf("c：%lf\n",tri.c);
  20. 	printf("三角形の面積：%lf\n",s);
  21.  
  22. 	return 0;
  23. }
  24.  
Success #stdin #stdout 0s 5312KB
comments (?)
stdin
copy 
5 5 5
stdout
copy 
a：5.000000
b：5.000000
c：5.000000
三角形の面積：10.825318
https://ideone.com/EU0cYf
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!