In which scenario is DFS preferred over BFS?

Practice Questions

Q1
In which scenario is DFS preferred over BFS?
  1. Finding the shortest path
  2. Exploring all possible paths
  3. Finding connected components
  4. Finding the minimum spanning tree

Questions & Step-by-Step Solutions

In which scenario is DFS preferred over BFS?
  • Step 1: Understand what DFS (Depth-First Search) and BFS (Breadth-First Search) are. DFS goes deep into a path before backtracking, while BFS explores all neighbors at the current level before moving deeper.
  • Step 2: Identify scenarios where you need to explore all possible paths. This is common in puzzles or problems where you need to find all solutions, like mazes or games.
  • Step 3: Recognize that DFS is better for these scenarios because it can quickly go deep into one path and backtrack if needed, allowing it to explore all options.
  • Step 4: Consider examples like solving a Sudoku puzzle or navigating a maze where you might need to try different paths until you find a solution.
No concepts available.
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