<?xml version="1.0" encoding="UTF-8"?><oembed><type>video</type><version>1.0</version><html>&lt;iframe src=&quot;https://www.loom.com/embed/e6bc23f2af474d628d80b2fc1e138789&quot; frameborder=&quot;0&quot; width=&quot;1110&quot; height=&quot;832&quot; webkitallowfullscreen mozallowfullscreen allowfullscreen&gt;&lt;/iframe&gt;</html><height>832</height><width>1110</width><provider_name>Loom</provider_name><provider_url>https://www.loom.com</provider_url><thumbnail_height>832</thumbnail_height><thumbnail_width>1110</thumbnail_width><thumbnail_url>https://cdn.loom.com/sessions/thumbnails/e6bc23f2af474d628d80b2fc1e138789-ed2f9d6d6f15a1c0.gif</thumbnail_url><duration>298.3894</duration><title>Valid Parentheses Problem Explained by a Software Engineer</title><description>Hi, I&apos;m Roger, and in this video, I walk through the problem of validating parentheses using a stack-based approach. I explain how to check for matching open and close brackets, and I provide pseudocode that outlines the logic, including checking for odd lengths and using a key-value pair for bracket matching. The time and space complexity for this solution is O(n). I encourage you to follow along and implement this logic in your own code.</description></oembed>