View Code of Problem 24

#include<stdio.h>
  #include<math.h>
 int main()
 {
 	int a,b,c;
 	float s,m;
 	while(scanf("%d %d %d",&a,&b,&c)!=EOF)
 	{
 		s=(a+b+c)/2.0;
 		m=sqrt(s*(s-a)*(s-b)*(s-c));
 		printf("%.2f\n",m);
	 }
 	return 0;
 }