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AVL tree with duplicate key

What do you mean by duplicate key in AVL tree, it means to inserted a key, whose value (key node) already exists in AVL tree.

When the key is duplicate, we do not create a new node for the inserted node, but instead increment the repetition of an already existing node. This process does not create duplicate node memory. So we have to modify the process of inserting and deleting the AVL tree. Who can control this duplicate key.

Here given code implementation process.

Important notes : When we are need one extra field to manage duplicate nodes.


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