Created
July 3, 2012 14:50
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10枚中1枚が当たりがある中で、自分で1枚選んで、無作為に他の八枚を開いて当たりが途中で出た時は最初からやり直して、残り2枚になるまで開けた場合
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#!/usr/bin/ruby | |
def init | |
(1..9).to_a.shuffle | |
end | |
success=0 | |
failure=0 | |
10000000.times do | |
#常に自分が0を選んだこととし、1から9までのランダムな配列の作成 | |
arr = init | |
#当たり数字を0〜9までの任意とする | |
bingo = rand(10) | |
#残りが1個になるまで8個のカードをOPEN | |
while arr.size > 1 | |
#途中で当たりが出た場合は最初から | |
break if arr[0] == bingo | |
arr.shift | |
end | |
if arr.size != 1 | |
next | |
end | |
if bingo == 0 | |
success+=1 | |
else | |
failure+=1 | |
end | |
end | |
puts "success=#{success} failure=#{failure}" |
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