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⚙️AlgorithmIntermediate

Small-to-Large Merging

Small-to-large merging is a technique where you always merge the smaller container into the larger one to guarantee low total work.

#small-to-large merging#dsu on tree#sack technique+11
🗂️Data StructureIntermediate

Rollback DSU

Rollback DSU (Disjoint Set Union with undo) lets you union sets and later revert to any previous state in LIFO order.

#rollback dsu
Advanced
Filtering by:
#union by size
#dsu with undo
#union find
+11
🗂️Data StructureIntermediate

DSU with Weighted Edges

A DSU with weighted edges (also called a potential or difference-constraint union-find) maintains relative values between elements while still supporting near-constant-time merges and finds.

#dsu#union-find#weighted edges+11
🗂️Data StructureIntermediate

Disjoint Set Union (Union-Find)

Disjoint Set Union (Union-Find) maintains a collection of non-overlapping sets and supports fast merging and membership queries.

#disjoint set union#union-find#path compression+11