Enhance my leetcode experience

leetcode-enhancer.js

// ==UserScript==
// @name         Leetcode Enhancer
// @namespace    http://www.github.com/imcoddy
// @version      0.1.1
// @description  Enhance leetcode website
// @author       imcoddy
// @match        https://leetcode.com/problemset/algorithms/
// @match        https://leetcode.com/problems/*
// @match        https://leetcode.com/tag/*
// @grant        none
// ==/UserScript==

// hide locked problems
$('.fa-lock').parent().parent().hide();

// hide sidebar except last one (tag)
$('.row.sidebar-module:not(:last-child)').each(function(i){
    $(this).hide();
});

$('#interviewed_div').hide();