UVa 10287 - Gifts in a Hexagonal Box

Accepted date: 2013-09-16
Ranking (as of 2013-09-16): 143 out of 765
Language: C++

/*
  UVa 10287 - Gifts in a Hexagonal Box

  To build using Visual Studio 2012:
    cl -EHsc -O2 UVa_10287_Gifts_in_a_Hexagonal_Box.cpp
*/

#include <iostream>
#include <iomanip>
#include <cmath>
using namespace std;

int main()
{
  const double c1 = sqrt(3.0) / 2.0, c2 = sqrt(3.0) / (2.0 + sqrt(3.0)),
    c3 = sqrt(3.0) / 4.0, c4 = (6.0 * sqrt(21.0) - 21.0) / (10.0 * sqrt(3.0));
  double s;
  while (cin >> s)
    cout << fixed <<
      setprecision(10) << c1 * s << ' ' << setprecision(10) << c2 * s << ' ' <<
      setprecision(10) << c3 * s << ' ' << setprecision(10) << c4 * s << endl;
  return 0;
}