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Merge Sort Tree

A Merge Sort Tree is a segment tree where every node stores the sorted list of values in its segment.

#merge sort tree#segment tree#range query+12
🗂️Data StructureIntermediate

2D Fenwick Tree

A 2D Fenwick Tree (Binary Indexed Tree) supports point updates and rectangle sum queries in O(log n × log m) time.

#2d fenwick tree#binary indexed tree 2d
Intermediate
Advanced
Filtering by:
#coordinate compression
#bit 2d
+12