<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom" xmlns:content="http://purl.org/rss/1.0/modules/content/"><channel><title>Stack on Hitesh Patel</title><link>https://hiteshbuilds.com/tags/stack/</link><description>Recent content in Stack on Hitesh Patel</description><generator>Hugo -- 0.155.3</generator><language>en-us</language><lastBuildDate>Mon, 16 Mar 2026 00:00:00 +0530</lastBuildDate><atom:link href="https://hiteshbuilds.com/tags/stack/index.xml" rel="self" type="application/rss+xml"/><item><title>How to check Valid Parentheses: O(n) Stack solution explained</title><link>https://hiteshbuilds.com/blind-75/valid-parentheses/</link><pubDate>Mon, 16 Mar 2026 00:00:00 +0530</pubDate><guid>https://hiteshbuilds.com/blind-75/valid-parentheses/</guid><description>Step by step explanation of how to validate bracket sequences using a stack, with dry run and C++ code</description></item></channel></rss>