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Count half nodes in a Binary Tree

In a binary tree, a half node is a node that has only one child. A count of half nodes in a binary tree refers to the number of nodes that have only one child in the tree.

Detecting and count half nodes of binary tree

To count the number of half nodes in a binary tree, we can perform a traversal of the tree and check for each node if it has exactly one child. If a node has only one child, we increment the count by 1.

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