Display CF problems in the contest field instead of problemset
// ==UserScript==
// @name CF problemset to contest
// @namespace http://tampermonkey.net/
// @version 1.0
// @description Display CF problems in the contest field instead of problemset
// @author ouuan
// @match https://codeforces.com/problemset/problem/*
// @match https://codeforc.es/problemset/problem/*
// @grant none
// ==/UserScript==
(function() {
'use strict';
var matches = window.location.href.match(/\/problemset\/problem\/([1-9][0-9]*)\/([A-Z][1-9]?)/);
if (matches.length == 3) window.location.replace("https://codeforces.com/contest/" + matches[1] + "/problem/" + matches[2]);
})();