Concepts2

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🔷All∑Math⚙️Algo🗂️DS📚Theory

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#cdq divide and conquer
⚙️AlgorithmIntermediate

Offline Query Processing

Offline query processing means you collect all queries first and answer them later in a smart order that makes updates/queries cheap.

#offline query processing#mo's algorithm#fenwick tree+12
⚙️AlgorithmAdvanced

CDQ Divide and Conquer

CDQ divide and conquer is an offline technique that splits the timeline (or one coordinate) and lets updates from the left half contribute to queries in the right half.

#cdq divide and conquer#offline algorithm#fenwick tree+11