Pre-order and in-order tree traversal
Elucidate pre-order and in-order tree traversal?
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A non-empty binary tree is traversed in 3 types that are pre-order, in-order and post-order in a recursive fashion.
Pre-order:
Pre-order procedure is as follows:
- Visit root node - Traverse left sub tree - Traverse right sub tree
In-Order:
In order process is as follows:
- Traverse left sub tree - Visit root node - Traverse right sub tree
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