View Code of Problem 24

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

	return 0;
} 

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