AtCoderDifficultyDisplay

display a difficulty of AtCoder Problems.

Verze ze dne 01. 04. 2020. Zobrazit nejnovější verzi.

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

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

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

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

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

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.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

// ==UserScript==
// @name            AtCoderDifficultyDisplay
// @namespace       https://github.com/hotarunx
// @version         0.1
// @description     display a difficulty of AtCoder Problems.
// @description:ja  AtCoder ProblemsのDifficultyを表示します。
// @author          hotarunx
// @match           https://atcoder.jp/contests/*/tasks/*
// @grant           none
// @require         https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js
// @connect         https://kenkoooo.com/atcoder/resources/*
// @license         MIT
//
// Copyright(c) 2020 hotarunx
// This software is released under the MIT License, see LICENSE or https://github.com/hotarunx/AtCoderMyExtensions/blob/master/LICENSE.
//
// ==/UserScript==

(function () {
    // URL of Estimated difficulties of the problems
    const url = "https://kenkoooo.com/atcoder/resources/problem-models.json";

    // get id
    const path = location.pathname.split("/");
    const id = path[path.length - 1];

    // get Element of Problem Status
    let element_status
    const main_container = document.getElementById('main-container');
    const elements_p = main_container.getElementsByTagName("p");
    for (let i = 0; i < elements_p.length; i++) {
        const element = elements_p[i];
        if (element.textContent.match("メモリ制限:") || element.textContent.match("Memory Limit:")) {
            element_status = element;
            break
        }
    }

    // fetch Information API
    this.fetch(url)
        .then(function (data) {
            return data.json();
        })
        .then(function (json) {
            // search problem
            const problem = json[id];

            // if problem exist in json
            if (problem != null) {
                const difficulty = problem.difficulty;

                // if difficulty is exist
                if (difficulty != null) {
                    element_status.textContent += " / ";

                    // add difficulty value
                    let add_text = "Difficulty: ";
                    if (problem.is_experimental) add_text += "🧪";
                    add_text += difficulty.toFixed();

                    // colorize text
                    let color = '#FFFFFF'; // white
                    if (difficulty < 400) color = '#808080'; // gray
                    else if (difficulty < 800) color = '#804000'; // brown
                    else if (difficulty < 1200) color = '#008000'; // green
                    else if (difficulty < 1600) color = '#00C0C0'; // cyan
                    else if (difficulty < 2000) color = '#0000FF'; // blue
                    else if (difficulty < 2400) color = '#C0C000'; // yellow
                    else if (difficulty < 2800) color = '#FF8000'; // orange
                    else if (difficulty < 3200) color = '#FF0000'; // red
                    else if (difficulty < 3600) color = '#E4E4E4'; // silver
                    else /*                  */ color = '#FFD325'; // gold

                    const add_span = "<span style='color: " + color + ";'>" + add_text + "</span>";

                    element_status.innerHTML += add_span;
                }
            }
        })
})();