2019-01-01から1日間の記事一覧
def insert(ary) res = [] ary.each do |value| if res.length == 0 res << value else res.length.times do |j| if value <= res[j] (res.length - 1).downto(j) do |k| res[k + 1] = res[k] end res[j] = value break end end end end res end assert_equa…