在洛谷题库右下角（也就是广告处）添加猫和老鼠，供大家娱乐使用
目前为
// ==UserScript==
// @name 洛谷娱乐插件·猫和老鼠
// @namespace http://tampermonkey.net/
// @version 0.12
// @description 在洛谷题库右下角（也就是广告处）添加猫和老鼠，供大家娱乐使用
// @author jyb666
// @match *://www.luogu.com.cn/*
// @grant none
// ==/UserScript==
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