Concepts3

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#dsu with undo#union find+11

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