View Code of Problem 24

#include <stdio.h>
#include <math.h>

int main()
{
	int a,b,c;
while (scanf("%d %d %d", &a, &b, &c) != EOF)
{
		float s;
		float p;
	p = (a+b+c)/2.0;	
	s = sqrt(p*(p-a)*(p-b)*(p-c));
	
	printf("%.2f",s);
}
	return 0;
	
}