View Code of Problem 24

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

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