kunitoo

source 'https://rubygems.org'

gem 'activesupport', require: 'active_support/all'

gem 'minitest', require: 'minitest/autorun'
gem 'minitest-reporters'

gem 'awesome_print'
gem 'tapp'

kunitoo

source 'https://rubygems.org'

gem 'activesupport', require: 'active_support/all'

gem 'minitest', require: 'minitest/autorun'
gem 'minitest-reporters'

gem 'awesome_print'
gem 'tapp'

kunitoo

source 'https://rubygems.org'

gem 'activesupport', require: 'active_support/all'

gem 'minitest', require: 'minitest/autorun'
gem 'minitest-reporters'

gem 'awesome_print'
gem 'tapp'

kunitoo

require 'neo4j'
require 'benchmark'

Neo4j::Session.open(:server_db)

class Post
  include Neo4j::ActiveNode
  id_property :number
end

kunitoo

def solve(input)
  players = input.scan(/\w+/)
  tournament = make_tournament(players)
  "(#{winner(tournament)})"
end

def make_tournament(players)
  sub = (2 ** (Math.log2(players.size).ceil)) - players.size
  players.map.with_index(0) {|p, i| sub > i ? [p, p] : p }.flatten
end

kunitoo

module Q2
  def self.strike
    board = *(1..9)
    count = deliver(board)

    two_numbers = (board.zip(board.rotate) + board.zip(board.rotate(3))). #=> [[1, 2], [2, 3], [3, 4], [4, 5], [5, 6], [6, 7], [7, 8], [8, 9], [9, 1], [1, 4], [2, 5], [3, 6], [4, 7], [5, 8], [6, 9], [7, 1], [8, 2], [9, 3]]
                   select {|ns| ns[0] < ns[1] }.
                   reject {|ns| ns.include?(5) }.
                   reject {|n| [[3, 4], [6, 7]].include?(n) }

kunitoo

module Q1
  def self.count
    coins = [10, 50, 100, 500]

    result = []
    (2..15).each do |n|
      coins.repeated_combination(n).each do |cs|
        result << cs if cs.inject(:+) == 1000
      end
    end

kunitoo

ESM じゃんけん大会 - 拡大版 ESM オフラインリアルタイムどう書く (2016/03/24,25)

オフラインリアルタイムどう書く という、 @Nabetani さん主催のイベントを模したものを ESM の社内向けに行ったものです。

出題者: @kunitoo スペシャルサンクス: @mattsan, @mtsmfm

問題

kunitoo

class Rectangle
  attr_accessor :x, :y, :size
  def initialize(x, y, size)
    @x = x
    @y = y
    @size = size
  end

  def include?(x, y)
    @x <= x && @x + @size > x && @y <= y && @y + @size > y

kunitoo

source 'https://rubygems.org'

gem 'neo4j'