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
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