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@kunitoo
kunitoo / q2.rb
Last active April 16, 2016 08:35
Toyama.rb #05 問題2
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
kunitoo / janken.rb
Created May 6, 2016 09:47
ESM オフラインリアルタイムどう書く 拡大版 Ruby 実装例
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
kunitoo / neo4j_benchmark.rb
Last active May 14, 2016 07:36
neo4jrb bulk create benchmark | neo4j (7.0.6) neo4j-core (6.1.4) neo4j-rake_tasks (0.5.4)
require 'neo4j'
require 'benchmark'
Neo4j::Session.open(:server_db)
class Post
include Neo4j::ActiveNode
id_property :number
end
@kunitoo
kunitoo / Gemfile
Last active December 9, 2017 06:28
オフラインリアルタイムどう書くE20 http://nabetani.sakura.ne.jp/hena/orde20maze/ をオンラインで Neo4j を使った回答
source 'https://rubygems.org'
gem 'activesupport', require: 'active_support/all'
gem 'minitest', require: 'minitest/autorun'
gem 'minitest-reporters'
gem 'awesome_print'
gem 'tapp'
@kunitoo
kunitoo / Gemfile
Created July 14, 2018 05:21
[フォークじゃない 〜 横へな 2014.2.1 問題](http://nabetani.sakura.ne.jp/hena/ord18notfork/) の回答
source 'https://rubygems.org'
gem 'activesupport', require: 'active_support/all'
gem 'minitest', require: 'minitest/autorun'
gem 'minitest-reporters'
gem 'awesome_print'
gem 'tapp'
@kunitoo
kunitoo / Gemfile
Created July 17, 2018 14:12
積み木の水槽 〜 横へな 2013.9.6 の回答 http://nabetani.sakura.ne.jp/hena/ord13blocktup/
source 'https://rubygems.org'
gem 'activesupport', require: 'active_support/all'
gem 'minitest', require: 'minitest/autorun'
gem 'minitest-reporters'
gem 'awesome_print'
gem 'tapp'