View Code of Problem 24

#include <stdio.h>
#include <math.h>
int f()
{
        float p,s;
        int a,b,c;
        scanf("%d %d %d",&a,&b,&c);
        p=(a+b+c)/2.0;
        s=sqrt(p*(p-a)*(p-b)*(p-c));

        printf("%.2f",s);
}

int main()
{
        int t;
        //printf("总共几组数据：\n");
        scanf("%d",&t);
        while(t>0)
        {
                f();
                t--;
        }
}