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Kruskals algorithm Video Lecture - Algorithms - Computer Science Engineering
FAQs on Kruskals algorithm
| 1. What is Kruskal's algorithm used for? |  |
Ans. Kruskal's algorithm is used to find the minimum spanning tree of a connected, edge-weighted graph.
| 2. How does Kruskal's algorithm work? | |
Ans. Kruskal's algorithm works by sorting the edges of the graph by their weights, then adding the edges in increasing order of weight while ensuring that no cycle is formed.
| 3. What is the time complexity of Kruskal's algorithm? | |
Ans. The time complexity of Kruskal's algorithm is O(E log E), where E is the number of edges in the graph.
| 4. When should Kruskal's algorithm be preferred over Prim's algorithm? | |
Ans. Kruskal's algorithm is preferred when the graph is sparse (has fewer edges) as it has a better time complexity than Prim's algorithm in such cases.
| 5. Can Kruskal's algorithm handle disconnected graphs? | |
Ans. Yes, Kruskal's algorithm can handle disconnected graphs by considering each connected component separately and finding the minimum spanning tree for each component.
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Apr 20, 2026 Last updated
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