順位表のjsonを集計し、上部にテーブルを追加します。
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// ==UserScript==
// @name AtCoderStandingsAnalysis
// @namespace https://github.com/RTnF/AtCoderStandingsAnalysis
// @version 0.1.0
// @description 順位表のjsonを集計し、上部にテーブルを追加します。
// @author RTnF
// @match https://atcoder.jp/*standings*
// @exclude https://atcoder.jp/*standings/json
// @grant none
// @license CC0-1.0
// ==/UserScript==
// ソート済み配列のうちval未満が何個あるか求める
function countLower(arr, val) {
var lo = -1;
var hi = arr.length;
while (hi - lo > 1) {
var mid = Math.floor((hi + lo) / 2);
if (arr[mid] < val) {
lo = mid;
} else {
hi = mid;
}
}
return hi;
}
// 換算: Rating -> innerRating
function innerRating(rate, comp) {
var ret = rate;
if (ret < 400) {
ret = 400 * (1 - Math.log(400 / rate));
}
ret += 1200 * (Math.sqrt(1 - Math.pow(0.81, comp)) / (1 - Math.pow(0.9, comp)) - 1) / (Math.sqrt(19) - 1);
return ret;
}
$(function () {
'use strict';
// 表のヘッダーを先頭に追加する
$('#vue-standings').prepend(`
<div>
<table id="acsa-table" class="table table-bordered table-hover th-center td-center td-middle">
<thead>
<tr>
<th>問題</th>
<th>得点</th>
<th>人数</th>
<th>正解率</th>
<th>平均ペナ</th>
<th>ペナ率</th>
<th>レート</th>
</tr>
</thead>
<tbody>
</tbody>
</table>
</div>
`);
// 表の更新
setInterval(function () {
var data;
var task = vueStandings.standings.TaskInfo;
if (vueStandings.filtered) {
data = vueStandings.filteredStandings;
} else {
data = vueStandings.standings.StandingsData;
}
const cols = ["#808080", "#804000", "#008000", "#00C0C0", "#0000FF", "#C0C000", "#FF8000", "#FF0000"];
const threshold = [-10000, 400, 800, 1200, 1600, 2000, 2400, 2800];
const canvasWidth = 250;
const canvasHeight = 20;
$('#acsa-table > tbody').empty();
for (let i = 0; i < task.length; i++) {
var isTried = vueStandings.tries[i] > 0;
$('#acsa-table > tbody').append(`
<tr>
<td>` + task[i].Assignment + `</td>
<td>-</td>
<td>` + vueStandings.ac[i] + ` / ` + vueStandings.tries[i] + `</td>
<td>` + (isTried ? (vueStandings.ac[i] / vueStandings.tries[i] * 100).toFixed(2) + "%" : "-") + `</td>
<td>-</td>
<td>-</td>
<td><canvas width="` + canvasWidth + `px" height="` + canvasHeight +`px"></canvas></td>
</tr>
`);
if (!isTried) {
continue;
}
// トップの得点を満点とみなす
var maxScore = -1;
var myScore = -1;
// 不正解数 / 提出者数
var avePenalty = 0;
// ペナルティ >= 1 の人数 / 提出者数
var ratioPenalty = 0;
var rates = [];
for (let j = 0; j < data.length; j++) {
// 参加登録していない
if (!data[j].TaskResults) {
continue;
}
var result = data[j].TaskResults[task[i].TaskScreenName];
// 未提出のときresult === undefined
if (result) {
if (data[j].UserScreenName === vueStandings.userScreenName) {
myScore = result.Score;
}
// 赤い括弧内の数字
var penalty = result.Score === 0 ? result.Failure : result.Penalty;
avePenalty += penalty;
if (penalty > 0) {
ratioPenalty++;
}
if (maxScore < result.Score) {
maxScore = result.Score;
}
}
}
// 正解者の内部レート配列を作成する
for (let j = 0; j < data.length; j++) {
if (data[j].Competitions > 0
&& data[j].TaskResults[task[i].TaskScreenName]
&& data[j].TaskResults[task[i].TaskScreenName].Score === maxScore) {
rates.push(innerRating(data[j].Rating, data[j].Competitions));
}
}
rates.sort(function (a, b) { return a - b; });
myScore /= 100;
maxScore /= 100;
avePenalty /= vueStandings.tries[i];
ratioPenalty /= vueStandings.tries[i];
ratioPenalty *= 100;
$('#acsa-table > tbody > tr:eq(' + i + ') > td:eq(1)').text(myScore >= 0 ? myScore.toFixed() : "-");
$('#acsa-table > tbody > tr:eq(' + i + ') > td:eq(4)').text(avePenalty.toFixed(2));
$('#acsa-table > tbody > tr:eq(' + i + ') > td:eq(5)').text(ratioPenalty.toFixed(2) + "%");
var canvas = $('#acsa-table > tbody > tr:eq(' + i + ') > td:eq(6) > canvas')[0];
if (canvas.getContext) {
var context = canvas.getContext('2d');
for (let k = 0; k < 8; k++) {
context.fillStyle = cols[k];
// 色の境界から右端までの矩形描画
var x = Math.round(countLower(rates, threshold[k]) / rates.length * canvasWidth);
context.fillRect(x, 0, canvasWidth - x, canvasHeight);
}
}
}
}, 5000);
});