Which of the following properties is essential for the efficient implementation of Dijkstra's algorithm?
A. An adjacency matrix for fast access.
B. A stack to keep track of visited nodes.
C. A hash table for node storage.
D. A priority queue or min-heap to extract the minimum distance.
Answer: Option D
This Question Belongs to Data Structure >> Graph Algorithms (DFS, BFS, Dijkstras, Etc)
A. Breadth-First Search (BFS)
B. Depth-First Search (DFS)
C. Bellman-Ford Algorithm
D. Dijkstra's Algorithm
What is the time complexity of Breadth-First Search (BFS) on a graph with V vertices and E edges?
A. O(V + E)
B. O(V2)
C. O(E log V)
D. O(V log V)
In Depth-First Search (DFS), what is the order of visiting nodes?
A. Level order
B. Inorder
C. Postorder
D. Preorder
Which algorithm can be used to detect negative weight cycles in a graph?
A. Dijkstra's Algorithm
B. Prim's Algorithm
C. Bellman-Ford Algorithm
D. Kruskal's Algorithm
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