View Code of Problem 24

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

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