AtCoder Show Me Score Table

コンテスト名を配点に置き換えちゃうスクリプト

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

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.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

// ==UserScript==
// @name        AtCoder Show Me Score Table
// @namespace   https://atcoder.jp/
// @version     0.4
// @description コンテスト名を配点に置き換えちゃうスクリプト
// @author      hayatroid
// @license     MIT
// @match       https://atcoder.jp/contests/*
// @exclude     https://atcoder.jp/contests/*/json
// ==/UserScript==

(async () => {
    // キャッシュを読み込む
    const cache = localStorage.getItem(`score_table_${contestScreenName}`);
    if (cache) {
        document.querySelector(".contest-title").textContent = cache;
        return;
    }

    // 配点 (e.g. "100 - 200 - 300 - 400 - 500 - 600") の取得
    const res = await fetch(`https://atcoder.jp/contests/${contestScreenName}`)
        .then((response) => {
            if (!response.ok) throw new Error(`HTTP error: ${response.status}`);
            return response.text();
        })
        .then((text) => {
            const parser = new DOMParser();
            const doc = parser.parseFromString(text, "text/html");
            // 配点の書かれた table の取得
            const table = [...doc.querySelectorAll("#contest-statement > .lang > .lang-ja table")]
                .filter((element) => {
                    const th = [...element.querySelectorAll("thead > tr > th")];
                    return th.length === 2 && th[0].textContent === "問題" && th[1].textContent === "点数";
                });
            if (table.length !== 1) throw new Error("Scoreboard cannot be found.");
            return table[0];
        })
        .then((table) => {
            // table から配点を取り出し,ハイフンでつなぐ
            const res = [...table.querySelectorAll("tbody > tr > td")]
                .filter((element, index) => {
                    return index % 2 === 1;
                })
                .map((element) => {
                    return element.textContent;
                })
                .join(" - ");
            return res;
        });

    // キャッシュする
    if (res[0] !== "?") {
        localStorage.setItem(`score_table_${contestScreenName}`, res);
    }

    // コンテスト名を配点に置き換える
    document.querySelector(".contest-title").textContent = res;
})();