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// ==UserScript==
// @name         HKOJ Hide Completed in Stats
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  try to take over the world!
// @author       You
// @match        https://judge.hkoi.org/user/*/stats
// @grant        unsafeWindow
// ==/UserScript==

(function() {
    'use strict';

    unsafeWindow.$("tr:has(td.tasklist-solved)").hide();
    // Your code here...
})();