Tree Traversals of a Forest
The tree traversals of a forest may be defined as the tree traversals of its corresponding binary tree. Routines for preorder, postorder, and inorder.
(a) Preorder:
- Visit the root of the first tree in the forest.
- Traverse in preorder the forest formed by the subtrees of the first tree, if any.
- Traverse in preorder the forest formed by the remaining trees in the forest if any.
(b) Inorder:
- Traverse in inorder the forest formed by the subtrees of the first tree in the forest if any.
- Visit the root of the first tree.
- Traverse in inorder the forest formed by the remaining trees in the forest, if any.
(c) Postorder:
- Traverse in postorder the forest formed by the subtrees of the first tree in the forest, if any.
- Traverse in postorder the forest formed by the subtrees of the first forest, if any.
- Visit the root of the first tree in the forest.
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