Ruby で 数独 の３ - Qiita

5 3 0 0 7 0 0 0 0 6 0 0 1 9 5 0 0 0 0 9 8 0 0 0 0 6 0 8 0 0 0 6 0 0 0 3 4 0 0 8 0 3 0 0 1 7 0 0 0 2 0 0 0 6 0 6 0 0 0 0 2 8 0 0 0 0 4 1 9 0 0 5 0 0 0 0 8 0 0 7 9 require 'numo/narray' include Numo h = w = 9 @banmen = UInt32.zeros(h, w) @uramen = NArray.cast(Array.new(h){ Array.new(w){ (1..9).to_a } }) def mask(h, w, num) return if num == 0 h2 = (h / 3) * 3 w2 = (w / 3) * 3 maskarray = @uramen[h, w