AtCoderRGBGraph

AGC/ARC/ABCの指定したもののみでレーティングを計算

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         AtCoderRGBGraph
// @namespace    https://twitter.com/merom686
// @version      1.0
// @description  AGC/ARC/ABCの指定したもののみでレーティングを計算
// @author       merom686
// @match        https://atcoder.jp/users/*
// @grant        GM_xmlhttpRequest
// ==/UserScript==

(function(){
    if (typeof rating_history === 'undefined') return;
    let ma = location.href.match(/https:\/\/atcoder\.jp\/users\/(\w+)(\?contestType=(\w+))?/);
    if (ma[3] && ma[3] != 'algo') return;
    let user = ma[1];
    let rating_history_original = rating_history;
    let history_array;

    let ex = {"abl":1999, "acl1":2799, "aising2019":1999, "aising2020":1999, "apc001":9999, "caddi2018":2799, "caddi2018b":1199, "cf16-exhibition-final":9999, "cf16-final":9999, "cf16-final-open":9999, "cf17-final":9999, "cf17-final-open":9999, "code-festival-2016-quala":9999, "code-festival-2016-qualb":9999, "code-festival-2016-qualc":9999, "code-festival-2017-quala":9999, "code-festival-2017-qualb":9999, "code-festival-2017-qualc":9999, "ddcc2020-qual":2799, "diverta2019":2799, "diverta2019-2":2799, "dwacon5th-prelims":2799, "dwacon6th-prelims":2799, "exawizards2019":2799, "hhkb2020":1999, "hitachi2020":2799, "jrex2017":9999, "jsc2019-qual":2799, "jsc2021":1999, "keyence2019":2799, "keyence2020":2799, "keyence2021":2799, "m-solutions2019":2799, "m-solutions2020":1999, "mujin-pc-2017":9999, "nikkei2019-2-qual":2799, "nikkei2019-qual":2799, "nomura2020":2799, "panasonic2020":1999, "soundhound2018-summer-qual":1999, "sumitrust2019":1999, "tenka1-2017":2799, "tenka1-2017-beginner":1199, "tenka1-2018":2799, "tenka1-2018-beginner":1199, "tenka1-2019":2799, "tenka1-2019-beginner":1199, "tokiomarine2020":2799, "wtf19":9999, "yahoo-procon2019-qual":2799, "zone2021":1999 };
    let name = (i) => 'A' + 'GRB'[i] + 'C';

    const T = (1 - 0.9) / Math.sqrt(1 - 0.81);
    let F = (n) => T * Math.sqrt(0.81 - Math.pow(0.81, n + 1)) / (0.9 - Math.pow(0.9, n + 1));
    let f = (n) => (F(n) - T) / (F(1) - T) * 1200;

    let update = () => {
        const e = new CustomEvent('load');
        window.dispatchEvent(e);
    };

    let draw = () => {
        if (!history_array){
            GM_xmlhttpRequest({
                method: 'GET',
                url: 'https://atcoder.jp/users/' + user + '/history/json?contestType=algo',
                onload: (response) => {
                    history_array = JSON.parse(response.responseText);
                    if (history_array) draw();
                }
            });
            return;
        }
        rating_history = [];
        let m = 0;
        for (let i = 0; i < 3; i++){
            if (document.getElementById(name(i)).checked) m ^= 1 << i;
        }
        let old = 0, s0 = 0, s1 = 0;
        let i0 = 0, i1 = 0;
        for (let o of history_array){
            if (!o.IsRated) continue;
            let t = o.ContestScreenName;
            let j = t.indexOf(".");
            if (j >= 0) t = t.substring(0, j);
            let v = 0;
            if (/^a[rgb]c\d{3}$/.test(t)){
                v = {"b":1999, "r":2799, "g":9999}[t[1]];
                if (t[1] == "b" && (t.slice(-3) | 0) < 126) v = 1199;
            } else {
                v = ex[t];
            }
            if (((m & 1) && v == 9999) || ((m & 2) && v == 2799) || ((m & 4) && v <= 1999)){
                s0 += Math.pow(2.0, o.Performance / 800.0);
                s0 *= 0.9;
                s1 += 1;
                s1 *= 0.9;
                let r = 800 * Math.log2(s0 / s1) - f(++i1);
                if (r < 400) r = Math.exp((r - 400) / 400) * 400;
                r = Math.round(r);
                let x = { ...rating_history_original[i0] };
                rating_history.push(x);
                x.NewRating = r;
                x.OldRating = old;
                old = r;
            }
            i0++;
        }
        if (rating_history.length == 0){
            let x = { ...rating_history_original[0] };
            rating_history.push(x);
            x.ContestName = '';
            x.EndTime = 0;
            x.NewRating = 0;
            x.OldRating = 0;
            x.Place = 0;
            x.StandingsUrl = '';
        }
        update();
    };

    let container = document.createElement('div');
    container.style = 'display: inline-block';
    for (let i = 0; i < 3; i++){
        let div = document.createElement('div');
        let id = name(i);

        let checkbox = document.createElement('input');
        checkbox.type = 'checkbox';
        checkbox.checked = true;
        checkbox.id = id;
        checkbox.addEventListener('change', draw);
        div.appendChild(checkbox);

        let label = document.createElement('label');
        label.htmlFor = id;
        label.innerText = id;
        div.appendChild(label);

        container.appendChild(div);
    }
    let a = document.getElementById('rating-graph-expand');
    a.parentNode.insertBefore(container, a.nextSibling);
})();