**Introduction to Tree Data Structure - GeeksforGeeks**
https://www.geeksforgeeks.org/introduction-to-tree-data-structure/

Mar 18, 2022 · General tree. A general tree data structure has no restriction on the number of nodes. It means that a parent node can have any number of child nodes. 2. Binary tree . A node of a binary tree can have maximum number of two child nodes. In the given tree diagram, node B, D, and F are left children, while E, C, and G are the right children. 3. Balanced tree

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