View Code of Problem 24

#include<stdio.h>
int main()
{
	int a,b,c;
	float s,p;
	while(scanf("%d%d%d",&a,&b,&c)!=EOF)
	{
		s = 1.0/2*(a+b+c);
		p = sqrt(s*(s-a)*(s-b)*(s-c));
		printf("%.2f\n",p);
	}
	return 0;
}

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