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AtCoderDetailedRating

レーティングを細かく表示

Versione datata 07/02/2023. Vedi la nuova versione l'ultima versione.

  1. // ==UserScript==
  2. // @name         AtCoderDetailedRating
  3. // @namespace    https://twitter.com/merom686
  4. // @version      1.0
  5. // @description  レーティングを細かく表示
  6. // @author       merom686
  7. // @match        https://atcoder.jp/users/*/history*
  8. // ==/UserScript==
  9.  
  10. (function(){
  11.     let ma = location.href.match(/^https:\/\/atcoder\.jp\/users\/(\w+)\/history(\?contestType=(\w+))?/);
  12.     let type = 'algo';
  13.     if (ma[3]) type = ma[3];
  14.     let user = ma[1];
  15.  
  16.     const S = 724.4744301, R = 0.8271973364;
  17.     const T = (1 - 0.9) / Math.sqrt(1 - 0.81);
  18.     let F = (n) => {
  19.         return T * Math.sqrt(0.81 - Math.pow(0.81, n + 1)) / (0.9 - Math.pow(0.9, n + 1));
  20.     };
  21.     let f = (n) => {
  22.         return (F(n) - T) / (F(1) - T) * 1200;
  23.     };
  24.  
  25.     let tbody = document.getElementsByTagName("tbody")[0];
  26.     let trs = tbody.getElementsByTagName("tr");
  27.     let n = trs.length;
  28.  
  29.     let q = [];
  30.     let k = 0, s0 = 0, s1 = 0;
  31.  
  32.     for (let i = n - 1; i >= 0; i--){
  33.         let tds = trs[i].getElementsByTagName("td");
  34.         if (tds[4].innerText == "-") continue;
  35.  
  36.         let p = parseInt(tds[3].innerText);
  37.         let r = 0;
  38.         if (type == 'algo'){
  39.             s0 += Math.pow(2.0, p / 800.0);
  40.             s0 *= 0.9;
  41.             s1 += 1;
  42.             s1 *= 0.9;
  43.             r = 800 * Math.log2(s0 / s1) - f(++k);
  44.         } else {
  45.             for (let j = 1; j <= 100; j++){
  46.                 q.push(p - S * Math.log(j));
  47.             }
  48.             q.sort((i0, i1) => i1 - i0);
  49.             s0 = 0; s1 = 0;
  50.             for (let j = 99; j >= 0; j--){
  51.                 s0 += q[j];
  52.                 s0 *= R;
  53.                 s1 += 1;
  54.                 s1 *= R;
  55.             }
  56.             r = s0 / s1;
  57.         }
  58.         if (r < 400) r = Math.exp((r - 400) / 400) * 400;
  59.         tds[4].innerText = r.toFixed(3);
  60.     }
  61. })();