View Code of Problem 24

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