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Solution: Find Center of Star Graph

Explore how to find the central node of a star graph by leveraging its unique structure. This lesson teaches you to optimize the solution by examining only the first two edges to identify the center node in constant time, enhancing your graph algorithm skills.

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Statement

Given an array edges where each element edges[i] = [ui, vi] represents an edge between nodes ui and vi in an undirected star graph,A star graph is a graph where one central node is connected to every other node. If there are n nodes, then the central node must be connected to all other n-1 nodes. find the central node of this star graph.

Note: A star graph is a graph where one central node is connected to every other node. This implies that a star graph with n nodes has exactly n - 1 edges.

Constraints:

  • 3≤3 \leq n ≤103\leq 10^3 ...