View Code of Problem 24

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

int main(void)
{
		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\n",s);
}
	return 0;
	
}