View Code of Problem 24

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

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