Solution: Redundant Connection
Understand how to apply the Union Find data structure to identify a redundant connection in a graph. Explore the algorithm's step-by-step build, including union by rank and path compression, to detect cycles efficiently and return the edge that, when removed, makes the graph a tree.
Statement
We’re given an undirected graph consisting of nodes. The graph is represented as an array called edges, of length , where edges[i] = [a, b] indicates that there is an edge between nodes a and b in the graph.
Return an edge that can be removed to make the graph a edges.
Constraints:
edges.length