#include<iostream> #include<vector> #include<algorithm> #include<iomanip> #include<string> #include<cmath> using namespace std; int main() { double a, b, c; while (cin >> a >> b >> c) { double p = (a + b + c) / 2; double s = sqrt(p * (p - a) * (p - b) * (p - c)); printf("%.2lf\n", s); } } |
Double click to view unformatted code.