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Data Structures for Coding Interviews in C++

Solution: Implement Depth-First Search

Explore how to implement depth-first search traversal on a directed graph starting from a source vertex. Learn to manage visited nodes and use a stack to traverse deeply while avoiding cycles. Understand the procedure, see code examples, and analyze the time and space complexity of the algorithm.

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Statement

Given a directed graph represented by an adjacency array graph and an integer source, representing the start vertex of the graph, return an array of integers, result that shows the order of depth-first traversal starting from the specified source vertex.

Constraints

  • 11 ≤\leqgraph.length ≤\leq10310^3

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