Web Reference: The graph is represented in the test case using an adjacency list. An adjacency list is a collection of unordered lists used to represent a finite graph. Each list describes the set of neighbors of a node in the graph. The given node will always be the first node with val = 1. In-depth solution and explanation for LeetCode 133. Clone Graph in Python, Java, C++ and more. Intuitions, example walk through, and complexity analysis. Better than official and forum solutions. Given a node in a connected undirected graph, return a deep copy of the graph. Each node in the graph contains an integer value and a list of its neighbors. The graph is shown in the test cases as an adjacency list. An adjacency list is a mapping of nodes to lists, used to represent a finite graph.
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