Segment Tree

Definition

A binary tree used for storing intervals or segments. It allows querying array intervals (like 'Sum of elements from index 2 to 7') and updating array elements both in O(log N) time.

Explain Like I'm New

A pre-calculated spreadsheet that lets you instantly find out the total sales between any two dates, even if the daily sales numbers keep changing.

Interactive Coding Challenges

Describe the fundamental approach for Segment Tree.

Solution Code

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