https://www.brettpotter.com/blog/Writing by Brett Potter.en-UShttps://www.brettpotter.com/blog/leetcode-extremely-hard/https://www.brettpotter.com/blog/leetcode-extremely-hard/Sun, 06 Sep 2026 00:00:00 -0400<p>Did you know LeetCode has an <strong>Extremely Hard</strong> mode?</p> <p>It’s the regular leetcode grind, except you’re also taking care of a child.</p>