View Code of Problem 24

#include<stdio.h>
#include<string.h>
#include<stdlib.h>
#include<math.h>

int main(){
	int a,b,c;
	float p,s;
	while((scanf("%d %d %d",&a,&b,&c)!=EOF)){

		p = (a + b + c + 0.0)/2;
		s = sqrt(p*(p-a)*(p-b)*(p-c));
		printf("%.2f\n",s);
	
	
	}

	return 0;
}