CodeForces Helper

Print elegantly

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name              CodeForces Helper
// @name:zh-CN        CodeForces Helper
// @description       Print elegantly
// @description:zh-CN 优雅打印
// @namespace         work.pythoner
// @match             *://*.codeforces.com/*
// @match             *://*.codeforc.es/*
// @run-at            document-end
// @grant             GM_registerMenuCommand
// @version           1.0
// @author            Hanson Hu
// @homepage          https://blog.pythoner.work
// @icon              https://blog.pythoner.work/favicon.ico
// @license           MIT
// ==/UserScript==

(function() {

    function getToday() {
        // local tz
        let ret = new Date().toLocaleString('sv').slice(0, 10);
        return ret;
    }

    function getTail(str) {
        let index = str.lastIndexOf('\/');
        return str.substring(index + 1, str.length);
    }

    function onClickPrint() {
        $('.menu-box').remove();
        $('.second-level-menu').remove();
        $('.input-output-copier').remove();
        $('#header').remove();
        $('#sidebar').remove();
        $('#footer').remove();
        $('br').remove();
        $('hr').remove();

        $('.header').css('text-align', 'left');
        $('.problem-statement .sample-tests .input').css('border', '1px solid #eee');
        $('.problem-statement .sample-tests .output').css('border', '1px solid #eee');
        $('.problem-statement .sample-tests .title').css({'border-bottom': '1px solid #eee', 'font-size': '1em'});
        $('#body').css({'max-width': 'none', 'min-width': '0px'});
        $('#pageContent').css({'margin-left': '2em', 'margin-right': '2em', 'padding-top': '0px'});
        $('body').css({'zoom': '80%', 'font-size': '1rem'});

        // override !important
        $('.content-with-sidebar').each(function() {
            this.style.setProperty('margin-right', '2em', 'important');
        });

        $('.header .title').text(title);

        let elem = $('<div style="position: absolute; top: 2px; right: 2px; ' +
                     'font-family: Bahnschrift, Trebuchet MS, sans-serif; ' +
                     'font-weight: lighter; font-stretch: condensed; ' +
                     'font-size: 20px;">' +
                     getToday() +
                     '</div>');
        $('body').append(elem);
    }

    GM_registerMenuCommand('Prepare to print', onClickPrint);

    let contest = getTail($('#sidebar a').attr('href'));
    let title = 'CF' + contest + $('.header .title').text().trim();

})();