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AtCoderStandingsAnalysis

順位表のjsonを集計し、上部にテーブルを追加します。

La data de 22-03-2020. Vezi ultima versiune.

  1. // ==UserScript==
  2. // @name         AtCoderStandingsAnalysis
  3. // @namespace    https://github.com/RTnF/AtCoderStandingsAnalysis
  4. // @version      0.1.0
  5. // @description  順位表のjsonを集計し、上部にテーブルを追加します。
  6. // @author       RTnF
  7. // @match        https://atcoder.jp/*standings*
  8. // @exclude      https://atcoder.jp/*standings/json
  9. // @grant        none
  10. // ==/UserScript==
  11.  
  12. // ソート済み配列のうちval未満が何個あるか求める
  13. function countLower(arr, val) {
  14.   var lo = -1;
  15.   var hi = arr.length;
  16.   while (hi - lo > 1) {
  17.     var mid = Math.floor((hi + lo) / 2);
  18.     if (arr[mid] < val) {
  19.       lo = mid;
  20.     } else {
  21.       hi = mid;
  22.     }
  23.   }
  24.   return hi;
  25. }
  26.  
  27. // 換算: Rating -> innerRating
  28. function innerRating(rate, comp) {
  29.   var ret = rate;
  30.   if (ret < 400) {
  31.     ret = 400 * (1 - Math.log(400 / rate));
  32.   }
  33.   ret += 1200 * (Math.sqrt(1 - Math.pow(0.81, comp)) / (1 - Math.pow(0.9, comp)) - 1) / (Math.sqrt(19) - 1);
  34.   return ret;
  35. }
  36.  
  37. $(function () {
  38.   'use strict';
  39.  
  40.   // 表のヘッダーを先頭に追加する
  41.   $('#vue-standings').prepend(`
  42. <div>
  43.   <table id="acsa-table" class="table table-bordered table-hover th-center td-center td-middle">
  44.     <thead>
  45.     <tr>
  46.       <th>問題</th>
  47.       <th>得点</th>
  48.       <th>人数</th>
  49.       <th>正解率</th>
  50.       <th>平均ペナ</th>
  51.       <th>ペナ率</th>
  52.       <th>レート</th>
  53.     </tr>
  54.     </thead>
  55.     <tbody>
  56.     </tbody>
  57.   </table>
  58. </div>
  59.   `);
  60.  
  61.   // 表の更新
  62.   setInterval(function () {
  63.     var data;
  64.     var task = vueStandings.standings.TaskInfo;
  65.     if (vueStandings.filtered) {
  66.       data = vueStandings.filteredStandings;
  67.     } else {
  68.       data = vueStandings.standings.StandingsData;
  69.     }
  70.     const cols = ["#808080", "#804000", "#008000", "#00C0C0", "#0000FF", "#C0C000", "#FF8000", "#FF0000"];
  71.     const threshold = [-10000, 400, 800, 1200, 1600, 2000, 2400, 2800];
  72.     const canvasWidth = 250;
  73.     const canvasHeight = 20;
  74.  
  75.     $('#acsa-table > tbody').empty();
  76.     for (let i = 0; i < task.length; i++) {
  77.       var isTried = vueStandings.tries[i] > 0;
  78.       $('#acsa-table > tbody').append(`
  79. <tr>
  80.   <td>` + task[i].Assignment + `</td>
  81.   <td>-</td>
  82.   <td>` + vueStandings.ac[i] + ` / ` + vueStandings.tries[i] + `</td>
  83.   <td>` + (isTried ? (vueStandings.ac[i] / vueStandings.tries[i] * 100).toFixed(2) + "%" : "-") + `</td>
  84.   <td>-</td>
  85.   <td>-</td>
  86.   <td><canvas width="` + canvasWidth + `px" height="` + canvasHeight +`px"></canvas></td>
  87. </tr>
  88.       `);
  89.       if (!isTried) {
  90.         continue;
  91.       }
  92.  
  93.       // トップの得点を満点とみなす
  94.       var maxScore = -1;
  95.       var myScore = -1;
  96.       // 不正解数 / 提出者数
  97.       var avePenalty = 0;
  98.       // ペナルティ >= 1 の人数 / 提出者数
  99.       var ratioPenalty = 0;
  100.       var rates = [];
  101.       for (let j = 0; j < data.length; j++) {
  102.         // 参加登録していない
  103.         if (!data[j].TaskResults) {
  104.           continue;
  105.         }
  106.         var result = data[j].TaskResults[task[i].TaskScreenName];
  107.         // 未提出のときresult === undefined
  108.         if (result) {
  109.           if (data[j].UserScreenName === vueStandings.userScreenName) {
  110.             myScore = result.Score;
  111.           }
  112.           // 赤い括弧内の数字
  113.           var penalty = result.Score === 0 ? result.Failure : result.Penalty;
  114.           avePenalty += penalty;
  115.           if (penalty > 0) {
  116.             ratioPenalty++;
  117.           }
  118.           if (maxScore < result.Score) {
  119.             maxScore = result.Score;
  120.           }
  121.         }
  122.       }
  123.  
  124.       // 正解者の内部レート配列を作成する
  125.       for (let j = 0; j < data.length; j++) {
  126.         if (data[j].Competitions > 0
  127.         &&  data[j].TaskResults[task[i].TaskScreenName]
  128.         &&  data[j].TaskResults[task[i].TaskScreenName].Score === maxScore) {
  129.           rates.push(innerRating(data[j].Rating, data[j].Competitions));
  130.         }
  131.       }
  132.       rates.sort(function (a, b) { return a - b; });
  133.  
  134.       myScore /= 100;
  135.       maxScore /= 100;
  136.       avePenalty /= vueStandings.tries[i];
  137.       ratioPenalty /= vueStandings.tries[i];
  138.       ratioPenalty *= 100;
  139.  
  140.       $('#acsa-table > tbody > tr:eq(' + i + ') > td:eq(1)').text(myScore >= 0 ? myScore.toFixed() : "-");
  141.       $('#acsa-table > tbody > tr:eq(' + i + ') > td:eq(4)').text(avePenalty.toFixed(2));
  142.       $('#acsa-table > tbody > tr:eq(' + i + ') > td:eq(5)').text(ratioPenalty.toFixed(2) + "%");
  143.       var canvas = $('#acsa-table > tbody > tr:eq(' + i + ') > td:eq(6) > canvas')[0];
  144.       if (canvas.getContext) {
  145.         var context = canvas.getContext('2d');
  146.         for (let k = 0; k < 8; k++) {
  147.           context.fillStyle = cols[k];
  148.           // 色の境界から右端までの矩形描画
  149.           var x = Math.round(countLower(rates, threshold[k]) / rates.length * canvasWidth);
  150.           context.fillRect(x, 0, canvasWidth - x, canvasHeight);
  151.         }
  152.       }
  153.     }
  154.   }, 5000);
  155. });