Syuji Igura revised this on 3 Mar 2023

mj.rb
# 麻雀牌の山を作る piType = [ (1..9).map { |i| "m#{i}" }, # 萬子 (1..9).map { |i| "p#{i}" }, # 筒子 (1..9).map { |i| "s#{i}" }, # 索子 (1..4).map { |i| "f#{i}" }, # 東南西北 (1..3).map { |i| "g#{i}" } # 白發中 ].flatten piMnt = [] 4.times do |i| piMnt += piType.dup end piMnt.shuffle! hand = [] 14.times do |i| hand << piMnt[i] end p hand.sort