View Code of Problem 24

#include<stdio.h>
#include<math.h>
void fun(){


}
int main(){
    double a,b,c;
	double s,p;
	while(scanf("%lf %lf %lf",&a,&b,&c)!=EOF){
		
    p=(a+b+c)/2;
	s=sqrt(p*(p-a)*(p-b)*(p-c));
	printf("%1.2lf\n",s);
	
	}

	return 0;
}

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