Binary Tree DFS Traversals - PreOrder, InOrder, PostOrder
Can you write a function to traverse a binary tree in-order, and print out the value of each node as it passes?
Inorder traversal:
First, visit all the nodes in the left subtree
Then the root node
Visit all the nodes in the right subtree
Preorder traversal:
Visit root node
Then go to all the nodes in the left subtree
Visit all the nodes in the right subtree
Postorder traversal:
Visit all the nodes in the left subtree
Visit all the nodes in the right subtree
Visit the root node
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