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Find the minimum node in a binary tree

A binary tree is a type of tree data structure where each node has at most two child nodes, commonly referred to as left and right children. The minimum node in a binary tree is the node with the smallest value or key.

Minimum key in a binary tree

The minimum node in a binary tree is the node with the smallest value or key. To find the minimum node, we can start at the root node and traverse the tree by going to the left child node until we reach a node that has no left child. This node is the minimum node in the tree.

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