View Code of Problem 24

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

    return 0;
}

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