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Grokking the Coding Interview Patterns

Graph Valid Tree

Explore how to determine whether a given graph is a valid tree by assessing its connectivity and ensuring no cycles exist. This lesson guides you through graph theory concepts, constraints, and coding exercises to confidently solve tree validation problems in technical interviews.

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Statement

Given n as the number of nodes and an array of the edges of a graph, find out if the graph is a valid tree. The nodes of the graph are labeled from 00 to n−1n - 1, and edges[i]=[x,y]edges[i] = [x, y] ...