Constraints Emphasizer

AtCoderで入力値の制約が極端な時に目立たせる。(inspired by Time Limit Emphasizer by https://github.com/Ogtsn99)
当前为 2025-07-06 提交的版本，查看最新版本。
换行
// ==UserScript==
// @name        Constraints Emphasizer
// @namespace   https://github.com/TrueRyoB
// @version      1.2
// @description AtCoderで入力値の制約が極端な時に目立たせる。(inspired by Time Limit Emphasizer by https://github.com/Ogtsn99)
// @include     https://atcoder.jp/contests/*/tasks/*
// @require      https://code.jquery.com/jquery-3.6.0.min.js
// @author TrueRyoB
// @license MIT
// ==/UserScript==

const styles = [
    { ub: 10, className: 'dneg-perm' },
    { ub: 20, className: 'dneg-2pn' },
    { ub: 30, className: 'dneg-2pmdiv3' },
    { ub: 100, className: 'dneg-np4' },
    { ub: 300, className: 'dneg-np3' },
    { ub: 1000, className: 'dneg-np2' },
    { ub: 1000000, className: 'dneg-nlogn' },
    { ub: 100000000, className: 'dneg-n' },
    { ub: 1000000000000, className: 'dneg-logn' },
];

$('<style>')
    .prop('type', 'text/css')
    .html(`
        .dneg-c { color:#e2345; font-weight:1000; }
        .dneg-perm { color:#492ed1; font-weight:700; }
        .dneg-2pn { color:#492ed1; font-weight:700; }
        .dneg-2pmdiv3 { color:#492ed1; font-weight:700; }
        .dneg-np4 { color:#2ed192; font-weight:700; }
        .dneg-np3 { color:#2ed192; font-weight:700; }
        .dneg-np2 { color:#2ed192; font-weight:700; }
        .dneg-nlogn { }
        .dneg-n { }
        .dneg-logn { color: #e23454; font-weight:700;}
    `)
    .appendTo('head');


const $container = $('section h3:contains("制約")');
$container.next('ul').find('li').each(function () {
    const annotation = $(this).find('annotation[encoding="application/x-tex"]').text();
    console.log("new annotation:", annotation);
    const bound = extractMinMax(annotation);
    
    let found=false;
    for (const style of styles) {
        if(style.ub <= bound.max) {
            $(this).addClass(style.className);found=true;break;
        }
    }
    if(!found) $(this).addClass('dneg-c');
});

function extractMinMax(annotation) {
    const match = annotation.match(/(\d+)\s*\\leq\s*.+?\s*\\leq\s*(.+)/);
    if (!match) return null;

    const min = parseInt(match[1], 10);
    const rawMax = match[2].trim();

    const expMatch = rawMax.match(
        /(\d+)\s*\\times\s*10\^\{?(\d+)\}?/ 
    );

    let max;
    if (expMatch) {
        max = parseInt(expMatch[1], 10) * Math.pow(10, parseInt(expMatch[2], 10));
    } else {
        max = parseInt(rawMax.replace(/[^\d]/g, ''), 10);
    }

    return { min, max };
}
欢迎访问Greasy Fork镜像
