View Code of Problem 24

#include<stdio.h>
#include<math.h>
void main()
{	
	
	int a,b,c;
  	double p,s;
	while(scanf("%d%d%d",&a,&b,&c)!=EOF)
	{
	p=(a+b+c)/2;
	s=sqrt(p*(p-a)*(p-b)*(p-c));
	printf("%0.2lf",s);
	}
}