Computer Science · Data Structures
Representing a sparse graph using an adjacency list (a list of lists storing neighbors per vertex) saves space compared to a full adjacency matrix. What is the time complexity to perform a standard Breadth-First Search (BFS) or Depth-First Search (DFS) traversal over this graph?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1O(V2)
- 2O(V + E)✓
- 3O(1) per edge access
- 4O(E log V)
Correct answer
O(V + E)
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