View Code of Problem 24

#include<stdio.h>
#include<math.h>
int main()
{
int a,b,c;
float p=0.0,s;
while(scanf("%d%d%d",&a,&b,&c)>0)
{p=(a+b+c)/2.0;
s=sqrt(p*(p-a)*(p-b)*(p-c));
printf("%.2f\n",s);
}
}