#!/usr/bin/env ruby muki = ["ぐー" , "ちょき" , "ぱー"] print("じゃんけん対決スタート\n") sleep(2) puts "ジャン" sleep(1) puts "ケン" sleep(1) puts "ポイ" sleep(1) srand erabu = rand(3) printf("%s\n",muki[erabu])