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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)
    Dijkstra’s algorithm starting from S
  • b)
    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?
Verified Answer
In an unweighted, undirected connected graph, the shortest path from a...
* Time Comlexity of the Dijkstra’s algorithm is O(|V|^2 + E)  
 * Time Comlexity of the Warshall’s algorithm is O(|V|^3)
 * DFS cannot be used for finding shortest paths
 * BFS can be used for unweighted graphs. Time Complexity for BFS is O(|E| + |V|)
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Most Upvoted Answer
In an unweighted, undirected connected graph, the shortest path from a...
* Time Comlexity of the Dijkstra’s algorithm is O(|V|^2 + E)  
 * Time Comlexity of the Warshall’s algorithm is O(|V|^3)
 * DFS cannot be used for finding shortest paths
 * BFS can be used for unweighted graphs. Time Complexity for BFS is O(|E| + |V|)
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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)Dijkstra’s algorithm starting from Sb)Warshall’s algorithmc)Performing a DFS starting from Sd)Performing a BFS starting from SCorrect answer is option 'D'. Can you explain this answer?
Question Description
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