This extension could replace all Wrong answer to Wonderful answer in codeforces.

You need to use tampermonkey to run it.

// ==UserScript==
// @name         ReplaceWords
// @namespace    none
// @version      1
// @description  Replace "wrong" with "Wonderful" in codeforces
// @match        *://*.codeforces.com/*
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    function replaceText(node) {
        if (node.nodeType === Node.TEXT_NODE) {
            node.nodeValue = node.nodeValue.replace(/wrong/gi, 'Wonderful');
        } else if (node.nodeType === Node.ELEMENT_NODE) {
            for (let i = 0; i < node.childNodes.length; i++) {
                replaceText(node.childNodes[i]);
            }
        }
    }

    replaceText(document.body);
})();

it's still wrong answer. Don't pose