solve_combinations

solve_combinations.rb

class SpeedDialPermutations

  def average_time(set,iterations,perm,target = get_combinations(set).sample)
    avg_arr = []
    for i in 0..iterations
      avg_arr.push get_combinations(set).shuffle.index(target)
    end
    return ((avg_arr.inject(:+).to_f / avg_arr.size)*4)/60
  end

  def get_combinations(set, perm = 4)
    results = set.repeated_permutation(perm).to_a
  end

  def simulate(set,delay,perm,target = get_combinations(set).sample)
    set,start,att = get_combinations(set).shuffle, Time.now,1
    set.each do |i|
      return "Attempt #{att} Successful : #{i} : Elapsed : #{Time.now - start}" if i == target
      puts "Attempt #{att} Unsuccessful : #{i} : Elapsed time : #{Time.now - start}"
      att += 1
      sleep delay
    end
  end

end