Solution: Redundant Connection

Explore the Union Find algorithm to detect and remove a redundant edge in an undirected graph to form a tree. Understand how to implement union by rank and path compression for efficient cycle detection. This lesson helps you improve graph connectivity problem-solving with optimal time and space complexity.

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Statement
Solution

Statement

We’re given an undirected graph consisting of $n$ nodes. The graph is represented as an array called edges, of length $n$ , 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 treeA tree is an undirected graph that is connected and has no cycles. of $n$ nodes. If there are multiple candidates for removal, return the edge that occurs last in edges.

Constraints:

$3 \leq$ $n$ $\leq 100$
edges.length $=$ $n$
edges[i].length $=$

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