View Code of Problem 24

#include <stdio.h>
#include <math.h>
int main()
{
int a,b,c;double s,j,m;
while(scanf("%d %d %d",&a,&b,&c)!=EOF)
{if(a+b>c&&a+c>b&&b+c>a)
{m=(a+b+c)/2.0;
j=m*(m-a)*(m-b)*(m-c);
s=sqrt(j);
printf("%.2lf\n",s);}
}return 0;
}