View Code of Problem 24

#include<stdio.h>
#include<math.h>
int main()
{
	int a,b,c;
	double Area;
//	scanf("%d %d %d",&a,&b,&c);
	while(scanf("%d %d %d",&a,&b,&c)!=EOF)
	{
		Area=sqrt((a+b+c)*(a+b-c)*(a+c-b)*(b+c-a))/4;
		printf("%.2f\n",Area);	
		
	}
	return 0;
}