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AtCoderAnotherGraph

heuristic/algoの計算式でレーティンググラフを表示

2022-11-28 يوللانغان نەشرى. ئەڭ يېڭى نەشرىنى كۆرۈش.

  1. // ==UserScript==
  2. // @name         AtCoderAnotherGraph
  3. // @namespace    https://twitter.com/merom686
  4. // @version      1.0
  5. // @description  heuristic/algoの計算式でレーティンググラフを表示
  6. // @author       merom686
  7. // @match        https://atcoder.jp/users/*
  8. // @grant        GM_xmlhttpRequest
  9. // ==/UserScript==
  10.  
  11. (function(){
  12.     if (typeof rating_history === 'undefined') return;
  13.     let rating_history_original = [...rating_history];
  14.     let ma = location.href.match(/https:\/\/atcoder\.jp\/users\/(\w+)(\?contestType=(\w+))?/);
  15.     let type = 'algo';
  16.     if (ma[3]) type = ma[3];
  17.     let user = ma[1];
  18.  
  19.     const S = 724.4744301, R = 0.8271973364;
  20.     const T = (1 - 0.9) / Math.sqrt(1 - 0.81);
  21.     let F = (n) => {
  22.         return T * Math.sqrt(0.81 - Math.pow(0.81, n + 1)) / (0.9 - Math.pow(0.9, n + 1));
  23.     };
  24.     let f = (n) => {
  25.         return (F(n) - T) / (F(1) - T) * 1200;
  26.     };
  27.     let update = () => {
  28.         const e = new CustomEvent('load');
  29.         window.dispatchEvent(e);
  30.     };
  31.  
  32.     let button = document.createElement('button');
  33.     button.className = 'btn btn-default';
  34.     button.innerText = 'another';
  35.     button.onclick = () => {
  36.         if ('another' in rating_history[0] || 'another' in rating_history_original[0]){
  37.             let temp = rating_history;
  38.             rating_history = rating_history_original;
  39.             rating_history_original = temp;
  40.             update();
  41.             return;
  42.         }
  43.         GM_xmlhttpRequest({
  44.             method: 'GET',
  45.             url: 'https://atcoder.jp/users/' + user + '/history/json?contestType=' + type,
  46.             onload: function(response) {
  47.                 let n = rating_history.length;
  48.                 const history_array = JSON.parse(response.responseText);
  49.                 let p = [];
  50.                 for (let o of history_array){
  51.                     if (o.IsRated) p.push(o.Performance);
  52.                 }
  53.                 let q = [];
  54.                 let old = 0, s0 = 0, s1 = 0;
  55.                 for (let i = 0; i < n; i++){
  56.                     let r = 0;
  57.                     if (type == 'algo'){
  58.                         for (let j = 1; j <= 100; j++){
  59.                             q.push(p[i] - S * Math.log(j));
  60.                         }
  61.                         q.sort((i0, i1) => i1 - i0);
  62.                         s0 = 0; s1 = 0;
  63.                         for (let j = 99; j >= 0; j--){
  64.                             s0 += q[j];
  65.                             s0 *= R;
  66.                             s1 += 1;
  67.                             s1 *= R;
  68.                         }
  69.                         r = s0 / s1;
  70.                     } else {
  71.                         //if (perf < 400) perf = Math.log(perf / 400) * 400 + 400;
  72.                         s0 += Math.pow(2.0, p[i] / 800.0);
  73.                         s0 *= 0.9;
  74.                         s1 += 1;
  75.                         s1 *= 0.9;
  76.                         r = 800 * Math.log2(s0 / s1) - f(i + 1);
  77.                     }
  78.                     if (r < 400) r = Math.exp((r - 400) / 400) * 400;
  79.                     rating_history[i] = { ...rating_history_original[i] };
  80.                     rating_history[i].NewRating = Math.round(r);
  81.                     rating_history[i].OldRating = old;
  82.                     old = rating_history[i].NewRating;
  83.                 }
  84.                 rating_history[0].another = 1;
  85.                 update();
  86.             }
  87.         });
  88.     };
  89.     let a = document.getElementById('rating-graph-expand');
  90.     a.parentNode.insertBefore(button, a.nextSibling);
  91. })();