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programs / kota / rand.rb
#!/usr/bin/env ruby

muki = ["グー" , "チョキ" , "パー"]

print("じゃんけんタイム\n")
sleep(2)

puts "さいしょはぶんぶん"
sleep(1)
puts "じゃんけん"
sleep(1)

printf("0:%s\t 1:%s\t :%s\n",muki[0],muki[1],muki[2])
zibun=gets.to_i

puts "ぽん"
sleep(1)

printf("あなた:%s\n",muki[zibun])

srand
erabu = rand(3)
printf("あいて:%s\n",muki[erabu])