LeetCode 1299 | Replace Elements with Greatest on Right | Python Reverse-Traversal | AlgoYogi

Welcome to AlgoYogi! 🚀 Start Your Smart Coding Prep at 👉 https://algoyogi.io In this video, we solve **LeetCode 1299: Replace Elements with Greatest Element on Right Side** using Python and a reverse traversal approach. We traverse from right to left, keep track of the maximum seen so far, and replace each element with that maximum. The last element becomes -1. 👉 Problem Link: https://leetcode.com/problems/replace-elements-with-greatest-element-on-right-side/ --- ### ⏱ Timestamps 0:00 Introduction 0:20 Problem Statement 0:40 Reverse Traversal Approach 6:00 Python Code Walkthrough 8:30 Time & Space Complexity --- ### 💡 Why Watch? - One-pass solution in O(n) time, constant extra space - Avoids nested loops and redundant scans - Elegant logic: store current, update, replace — neat and efficient #LeetCode #ReplaceElements #Python #AlgoYogi #Array #ReverseTraversal