View Code of Problem 24

#include<stdio.h>
#include<math.h>
void main()
{
	int a,b,c;
	float S,P;
	while(scanf("%d %d %d",&a,&b,&c)!=EOF)
	{
		P=(a+b+c)/2.0;
	    S=sqrt(P*(P-a)*(P-b)*(P-c));
		printf("%.2f\n",S);
	}
/*
Main.c:3:6: warning: return type of 'main' is not 'int' [-Wmain]
 void main()
      ^~~~
Main.c: In function 'main':
Main.c:12:2: error: expected declaration or statement at end of input
  }
  ^
*/