Advanced DSA - Tree in C, C++ and java

[ArcheR1901]

Hi, I would like to contribute codes about :
AVL -> An AVL tree is a self-balancing Binary Search Tree (BST). In an AVL tree, the heights of the two child subtrees of any node differ by at most one, ensuring the tree remains balanced.

Red black tree -> A Red-Black Tree is another self-balancing BST where each node contains an extra bit for color (either red or black). The tree is balanced by following a set of properties, ensuring that the longest path from the root to a leaf is no more than twice as long as the shortest path.
Segment tree -> A Segment Tree is used for storing intervals or segments. It allows answering range queries like sum or minimum value in a sub-array efficiently and supports point updates.

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