☰

AtCoder - You're top X%

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

Version au 05/10/2024. Voir la dernière version.

  1. // ==UserScript==
  2. // @name         AtCoder - You're top X%
  3. // @namespace    https://gist.github.com/k1832/9438a1469bb2fa94d26702e1556aff97
  4. // @version      1.0
  5. // @description  Displays your approximate ranking percentile among all active AtCoder users on your profile page.
  6. // @author       k1832
  7. // @match        https://atcoder.jp/users/*
  8. // @license      MIT License, Copyright (c) 2024 Keita Morisaki
  9. // @grant        GM_xmlhttpRequest
  10. // ==/UserScript==
  11.  
  12. (function () {
  13.     'use strict';
  14.  
  15.     const url = new URL(window.location.href);
  16.     const contestType = url.searchParams.get('contestType');
  17.  
  18.     if (contestType === 'algo' || contestType === null) {
  19.         /*
  20.          * EN: Fetch the total number of active AtCoder users from a JSON file hosted on GitHub.
  21.          * 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。
  22.          */
  23.         GM_xmlhttpRequest({
  24.             method: "GET",
  25.             url: "https://k1832.github.io/atcoder-api/api/v1/total-active-users.json",
  26.             onload: function (response) {
  27.                 const data = JSON.parse(response.responseText);
  28.                 const totalCount = data.val;
  29.  
  30.                 let rankNode = document.evaluate(
  31.                     '//th[text()="順位" or text()="Rank"]/following-sibling::td',
  32.                     document,
  33.                     null,
  34.                     XPathResult.ANY_TYPE,
  35.                     null
  36.                 ).iterateNext();
  37.  
  38.                 if (!rankNode) {
  39.                     console.error('Ranking element not found.');
  40.                     return;
  41.                 }
  42.  
  43.                 const rankText = rankNode.textContent;
  44.  
  45.                 // "8956th" -> 8956
  46.                 const rank = parseInt(rankText.slice(0, -2), 10);
  47.                 const percentage = rank / totalCount * 100;
  48.                 rankNode.textContent += ` (top ${percentage.toFixed(2)}%)`;
  49.             },
  50.             onerror: function (error) {
  51.                 console.error('Error fetching user count:', error);
  52.             }
  53.         });
  54.     }
  55. })();