Greasy Fork is available in English.

ac-diff-reversal-notifier

AtCoderのコンテストにおいて前の問題より後ろの問題の正解者が多い時に通知します

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         ac-diff-reversal-notifier
// @namespace    https://github.com/polyester-CTRL
// @version      0.1
// @description  AtCoderのコンテストにおいて前の問題より後ろの問題の正解者が多い時に通知します
// @author       polyester-CTRL
// @match        https://atcoder.jp/contests/*/standings
// @match        https://atcoder.jp/contests/*/standings/json
// @require      https://cdn.jsdelivr.net/npm/[email protected]/dist/axios.min.js
// @grant        none
// ==/UserScript==

(function () {
  'use strict';

  // My code 
  if ((!('Notification' in window)) || (startTime === undefined)) {
    return;
  }
  let permission = Notification.permission;
  if (permission === 'denied') {
    return;
  }
  let jsonURL = window.location.href.replace(/\/+$/, '') + '/json';
  console.log(jsonURL);
  Notification.requestPermission().then(function () {
    if (endTime.isBefore()) {
      return;
    }

    let id = setInterval(function () {
      if (startTime.isAfter()) {
        return;
      }
      if (endTime.isBefore()) {
        clearInterval(id);
        return;
      }
      let taskData;
      axios.get(jsonURL)
        .then(function (response) {
          taskData = response.TaskInfo;
        })
        .catch(function (error) {
          console.log(error);
        });
      vueStandings.$watch('standings', function (newData, oldData) {
        if (!newData) {
          return;
        }
        let tasks = newData.TaskInfo;
        for (let i = 0; i < tasks.length - 1; i++) {
          if (vueStandings.ac[i] < vueStandings.ac[i + 1]) {
            new Notification(taskData[i].Assignment + ':' + vueStandings.ac[i] + '/' +
              taskData[i + 1].Assignment + ':' + vueStandings.ac[i + 1]);
          }
        }
      });
      // 3分おきに動作させる
    }, 3 * 60 * 1000);
  });
});