AtCoder - You're top X%

Displays your approximate ranking percentile among all active AtCoder users on your profile page.

Tính đến 05-10-2024. Xem phiên bản mới nhất.

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

Bạn sẽ cần cài đặt một tiện ích mở rộng như Tampermonkey hoặc Violentmonkey để cài đặt kịch bản này.

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.

(Tôi đã có Trình quản lý tập lệnh người dùng, hãy cài đặt nó!)

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         AtCoder - You're top X%
// @namespace    https://gist.github.com/k1832/9438a1469bb2fa94d26702e1556aff97
// @version      1.0
// @description  Displays your approximate ranking percentile among all active AtCoder users on your profile page.
// @author       k1832
// @match        https://atcoder.jp/users/*
// @license      MIT License, Copyright (c) 2024 Keita Morisaki
// @grant        GM_xmlhttpRequest
// ==/UserScript==

(function () {
    'use strict';

    const url = new URL(window.location.href);
    const contestType = url.searchParams.get('contestType');

    if (contestType === 'algo' || contestType === null) {
        /*
         * EN: Fetch the total number of active AtCoder users from a JSON file hosted on GitHub.
         * JA: GitHub でホストされている JSON ファイルから、AtCoder のアクティブユーザーの総数を取得します。
         */
        GM_xmlhttpRequest({
            method: "GET",
            url: "https://k1832.github.io/atcoder-api/api/v1/total-active-users.json",
            onload: function (response) {
                const data = JSON.parse(response.responseText);
                const totalCount = data.val;

                let rankNode = document.evaluate(
                    '//th[text()="順位" or text()="Rank"]/following-sibling::td',
                    document,
                    null,
                    XPathResult.ANY_TYPE,
                    null
                ).iterateNext();

                if (!rankNode) {
                    console.error('Ranking element not found.');
                    return;
                }

                const rankText = rankNode.textContent;

                // "8956th" -> 8956
                const rank = parseInt(rankText.slice(0, -2), 10);
                const percentage = rank / totalCount * 100;
                rankNode.textContent += ` (top ${percentage.toFixed(2)}%)`;
            },
            onerror: function (error) {
                console.error('Error fetching user count:', error);
            }
        });
    }
})();