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Solution: Implement Depth-First Search

Understand how to implement depth-first search on directed graphs using adjacency lists in Go. Learn to manage visited nodes to avoid cycles, use stacks for traversal, and analyze the algorithm's time and space complexity. This lesson equips you to produce correct DFS traversal output for coding interviews.

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Statement

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

Constraints

  • 11 \leqgraph.length \leq ...