Clone Graph
TIME: O(V + E)
SPACE: O(V)
Problem Statement
Given a reference of a node in a connected undirected graph. Return a deep clone (clone) of the graph. Each node in the graph contains a value (int) and a list of its neighbors.
Real Engineering Applications
In production systems, this concept directly maps to caching index layers, route lookups optimizations, compiler scope parsing validations, and multi-thread dependency schedulers.
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