View Code of Problem 24

#include <stdio.h>
#include <math.h>
 
int main()
{
	int a,b,c;
	double p=0;
	double s;
	while(scanf("%d %d %d",&a,&b,&c)!=EOF){
		if((a+b>c)&&(a+c>b)&&(b+c>a)){
		p=(a+b+c)/2.0;
		s=sqrt(p*(p-a)*(p-b)*(p-c));
		printf("%.2lf",s);
		}
	}

	
	return 0;
}