Advance data structure includes DSU, BIT, SQRT Decomposition, Segment Tree, Lazy Propagation, Trie Tree etc.

mstd (Maipa's Standard Library) is an extension of the C++ standard library, providing additional utility functions, new data types, and helpful templates for type comparisons. It aims to enhance the standard functionality with useful features while maintaining compatibility with modern C++.

Repository Contains C++ Pgms on TREES - Binary Trees & Binary Search Trees - Easy Medium hard questions on leetcode --- ++ Set (ordered, unordered, Multiset)