# 歡樂練習時間(遞迴) :::success ZeroJudge ---e446: 排列生成 https://zerojudge.tw/ShowProblem?problemid=e446 ::: :::success UVA ---10479 - The Hendrie Sequence https://domen111.github.io/UVa-Easy-Viewer/?10479 ::: {%hackmd @naiye130/__style %} ###### tags: `社內作業`