Data Structures24 min read

Sparse Table Concept

Learn sparse tables for fast static range queries like RMQ when data never changes.

David Miller
December 21, 2025
0.0k0

Sparse table answers range min queries fast after preprocessing.

Idea Precompute answers for ranges of length 2^k.

Graph ```mermaid flowchart TD A[Range 0..7] A --> B[0..3] A --> C[4..7] ```

Remember - preprocess once - query in O(1) - data must be static

#Python#Advanced#Table