View Code of Problem 24

#include<stdio.h>
#include <math.h>
int main()
{
int a,b,c;
while(scanf("%d %d %d",&a,&b,&c)!=EOF)
{
float size,p;
p=(a+b+c)/2.0;
size=sqrt(p*(p-a)*(p-b)*(p-c));
printf("%.2f\n",size);	
}

return 0;
}