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In an unweighted, undirected connected graph, the shortest path from a node S to every other node is computed most efficiently, in terms of time complexity, by
  • a)
    applying Dijkstra's algorithm starting from S
  • b)
    applying Warshall's algorithm
  • c)
    performing a DFS starting from S
  • d)
    performing a BFS starting from S 
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
In an unweighted, undirected connected graph, the shortest path from a...
Since the graph is unweighted and undirected, using Dijkstra or Warshall makes no sense. Also, their complexities are 0(n2) and 0(n3), respectively.
BFS, starting from S, traverses all the adjacent nodes and then their adjacent nodes. This calculates the shortest path with minimum complexity.
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In an unweighted, undirected connected graph, the shortest path from a node S to every other node is computed most efficiently, in terms of time complexity, bya)applying Dijkstras algorithm starting from Sb)applying Warshalls algorithmc)performing a DFS starting from Sd)performing a BFS starting from SCorrect answer is option 'D'. Can you explain this answer?
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In an unweighted, undirected connected graph, the shortest path from a node S to every other node is computed most efficiently, in terms of time complexity, bya)applying Dijkstras algorithm starting from Sb)applying Warshalls algorithmc)performing a DFS starting from Sd)performing a BFS starting from SCorrect answer is option 'D'. Can you explain this answer? for Computer Science Engineering (CSE) 2024 is part of Computer Science Engineering (CSE) preparation. The Question and answers have been prepared according to the Computer Science Engineering (CSE) exam syllabus. Information about In an unweighted, undirected connected graph, the shortest path from a node S to every other node is computed most efficiently, in terms of time complexity, bya)applying Dijkstras algorithm starting from Sb)applying Warshalls algorithmc)performing a DFS starting from Sd)performing a BFS starting from SCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Computer Science Engineering (CSE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for In an unweighted, undirected connected graph, the shortest path from a node S to every other node is computed most efficiently, in terms of time complexity, bya)applying Dijkstras algorithm starting from Sb)applying Warshalls algorithmc)performing a DFS starting from Sd)performing a BFS starting from SCorrect answer is option 'D'. Can you explain this answer?.
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