AC Array Checker

AtCoderのTaskページにおいて配列の要素の最大値が指定した数より小さい場合に強調します。

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

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

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

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

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

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

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.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         AC Array Checker
// @namespace    http://tampermonkey.net/
// @version      2024-02-20
// @description  AtCoderのTaskページにおいて配列の要素の最大値が指定した数より小さい場合に強調します。
// @author       You
// @license mit
// @match        https://atcoder.jp/contests/*/tasks/*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=atcoder.jp
// @grant        none
// ==/UserScript==

const main = (function() {
    'use strict';

    // 10^7
    const maximum = 10000000;

    document.querySelectorAll("annotation[encoding=\"application/x-tex\"]").forEach((ele) => {
        if(ele.aac_checked) { return; }
        ele.aac_checked = true;
        const match = ele.innerHTML.match(/[0-9]+[\s\t]*\\[gl]?eq[\s\t]+[a-zA-Z]+\_[a-zA-Z]+[\s\t]*\\[gl]?eq[\s\t]+(.*)/);
        if(match) {
            const exp = new Function("return " + match[1].replaceAll("\\times", "*").replaceAll("\\cdot", "/").replaceAll("^", "**"));
            console.log(exp);
            if(exp() <= maximum) {
                ele.parentNode.parentNode.parentNode.parentNode.style += ";color:red;font-size: 20pt;";
            }
        }
    });

});

setInterval(main, 100);