Is Pre-Order traversal on a binary tree same as Depth First Search?
Pre-order is one type of DFS. There are three types of depth-first traversal: pre-order, in-order, and post-order. Check out here for more info.
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When to use Preorder, Postorder, and Inorder Binary Search Tree Traversal strategies
When to use Pre-Order, In-Order, and Post-Order Traversal Strategy Before you can understand under what circumstances to use pre-order, in-order and post-order for a binary tree, you have to understand exactly how each traversal strategy works. Use the following tree as an example. The root of the tree is 7, the left most node is … Read more