everything is *3500

auto3500.user.js

// ==UserScript==
// @name         what the f
// @namespace    http://tampermonkey.net/
// @version      1
// @description  everything is f*cking *3500
// @author       chromate00
// @match        https://codeforces.com/*
// @match        http://codeforces.com/*
// @grant        none
// @run-at       document-end
// ==/UserScript==

const reg = /\*.+/;
var nds=document.querySelectorAll('span[title="Difficulty"]')
nds.forEach(function(e)
    {
        var iht=e.innerHTML
        if(reg.test(iht))e.innerHTML="*3500"
        else e.innerHTML="3500"
    })