Learn about the post-order tree traversal technique, a depth-first search (DFS) algorithm, through detailed explanations, diagrams, and C++ code implementation. Explore the pseudocode for post-order traversal, follow along with a step-by-step dry run, and dive into a practical C++ program demonstration. Gain a comprehensive understanding of how post-order traversal works by recursively visiting the left subtree, right subtree, and then accessing the current node's data. Perfect for those studying data structures and algorithms or looking to enhance their knowledge of tree traversal techniques.