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‎README.md

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@@ -16,6 +16,7 @@ Compiled pages are published at [https://cp-algorithms.com/](https://cp-algorith
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## Changelog
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- August, 2025: Overhaul of CP-Algorithms [donation system](https://github.com/sponsors/cp-algorithms). Please consider supporting us, so that we can grow!
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- August, 2025: Launched a [Discord server](https://discord.gg/HZ5AecN3KX)!
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- October, 2024: Welcome new maintainers: [jxu](https://github.com/jxu), [mhayter](https://github.com/mhayter) and [kostero](https://github.com/kostero)!
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- October, 15, 2024: GitHub pages based mirror is now served at [https://gh.cp-algorithms.com/](https://gh.cp-algorithms.com/), and an auxiliary competitive programming library is available at [https://lib.cp-algorithms.com/](https://lib.cp-algorithms.com/).

‎mkdocs.yml

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copyright: Text is available under the <a href="https://github.com/cp-algorithms/cp-algorithms/blob/main/LICENSE">Creative Commons Attribution Share Alike 4.0 International</a> License<br/>Copyright &copy; 2014 - 2025 by <a href="https://github.com/cp-algorithms/cp-algorithms/graphs/contributors">cp-algorithms contributors</a>
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extra_javascript:
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- javascript/config.js
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- javascript/donation-banner.js
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- https://cdnjs.cloudflare.com/polyfill/v3/polyfill.min.js?features=es6
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- https://unpkg.com/mathjax@3/es5/tex-mml-chtml.js
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extra_css:
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link: https://github.com/cp-algorithms/cp-algorithms
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- icon: fontawesome/brands/discord
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link: https://discord.gg/HZ5AecN3KX
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- icon: fontawesome/solid/circle-dollar-to-slot
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link: https://github.com/sponsors/cp-algorithms
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analytics:
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provider: google
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property: G-7FLS2HCYHH

‎src/javascript/donation-banner.js

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document.addEventListener("DOMContentLoaded", () => {
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const STORAGE_KEY = "donationBannerHiddenUntil";
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const HIDE_DAYS = 90;
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const hiddenUntil = Number(localStorage.getItem(STORAGE_KEY) || 0);
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if (Date.now() < hiddenUntil) return;
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const banner = document.createElement("aside");
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banner.id = "donation-banner";
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banner.innerHTML = `
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<div class="donation-banner">
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<p class="donation-text">
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<strong>Please consider
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<a class="donation-link" href="https://github.com/sponsors/cp-algorithms">
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supporting us</a>
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</strong> — ad-free, volunteer-run.
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</p>
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<button class="donation-close" type="button" aria-label="Dismiss">×</button>
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</div>
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`;
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const content = document.querySelector("div.md-content") || document.body;
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content.insertBefore(banner, content.firstChild);
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banner.querySelector(".donation-close").addEventListener("click", () => {
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banner.remove();
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const until = Date.now() + HIDE_DAYS * 24 * 60 * 60 * 1000;
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localStorage.setItem(STORAGE_KEY, String(until));
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});
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});

‎src/overrides/partials/header.html

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{% include ".icons/fontawesome/brands/discord.svg" %}
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</a>
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</div>
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<div class="md-header__option">
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<a href="https://github.com/sponsors/cp-algorithms" title="GitHub Sponsors" class="md-header__button md-icon" aria-label="GitHub Sponsors">
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{% include ".icons/fontawesome/solid/circle-dollar-to-slot.svg" %}
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</a>
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</div>
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</nav>
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{% if "navigation.tabs.sticky" in features %}
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{% if "navigation.tabs" in features %}

‎src/stylesheets/extra.css

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.arithmatex{
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overflow-y: hidden !important;
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}
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}
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/* Donation banner */
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#donation-banner {
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margin: 0.75rem 0.75rem 0;
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}
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.donation-banner {
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display: flex;
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background: #fff9c4;
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border: 1px solid #f0e68c;
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color: #2b2b2b;
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padding: 0.5rem 0.5rem;
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border-radius: 8px;
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font-size: 0.75rem;
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}
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.donation-text { margin: 0; }
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.donation-link {
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color: revert;
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text-decoration: underline;
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}
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.donation-close {
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margin-left: auto;
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font-size: 1rem;
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cursor: pointer;
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}
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[data-md-color-scheme="slate"] .donation-banner {
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background: #3b3200;
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border-color: #665c1e;
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color: #fff7b3;
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}

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