marcinwyszynski

#!/usr/bin/env python

import sys

try:
  word = sys.argv[1]
except IndexError:
  print 'usage: anagrams.py <word>'
  exit(1)

marcinwyszynski

class PriorityQueue

  def initialize() @store = {} end
  
  # Takes element and it's priority.
  # Returns an array of elements with the same priority.
  def enq(el, p)
    @store[p] ? @store[p].push(el) : @store[p] = [el]
    return @store[p]
  end

marcinwyszynski

class PriorityQueue(object):

  def __init__(self):
    self.store = {}

  def enq(self, element, weight):
    if weight in self.store:
      self.store[weight].append(element)
    else:
      self.store[weight] = [element]

marcinwyszynski

Integer::class_eval do
  def power_of_2?() (self & (self - 1)) == 0 end
end