View Code of Problem 24

#include<iostream>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <cmath>
using namespace std;
#pragma warning(disable:4996)


int main() {
	int a, b, c;
	double p,s;
	while (scanf("%d %d %d",&a,&b,&c)) {
		p = (a + b + c) / 2;
		s = sqrt(p*(p - a)*(p - b)*(p - c));
		printf("%.2lf\n", s);
	}
	return 0;
}	

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