#include <string>
#include <vector>
#include <iostream>
#include <cstdio>
#include <cstdlib>
using namespace std;

class SubsetSumExtreme {
  public:
    double getExpectation(vector <int> block, vector <int> face);
};

double SubsetSumExtreme::getExpectation(vector <int> B, vector <int> face)
{
  return 0;
}