Depth-First Search (DFS) Algorithm
Depth-First Search (DFS) is a classic algorithm used to explore nodes and edges of a graph. It proceeds by exploring as far along a branch as possible before backtracking, which contrasts with Breadth-First Search (BFS) that explores neighbors level by level. DFS can be implemented using either recursion or an explicit stack and is a fundamental tool in fields such as artificial intelligence, compiler design, and topological sorting.
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