What are the main differences between BFS and DFS in C programming?
BFS (Breadth-First Search) explores nodes level by level, while DFS (Depth-First Search) goes as deep as possible before backtracking. BFS uses a queue, and DFS uses a stack or recursion.
Can you explain the time complexity of Dijkstra's algorithm?
Dijkstra's algorithm has a time complexity of O(V^2) with a simple array implementation, but it can be improved to O(E + V log V) using a priority queue.
How does Prim's algorithm differ from Kruskal's algorithm?
Prim's algorithm builds a minimum spanning tree from a starting vertex, while Kruskal's algorithm adds edges in order of weight, ensuring no cycles are formed.
Which graph algorithm is best for finding the shortest path?
Dijkstra's algorithm is typically the best for finding the shortest path in weighted graphs, while Bellman-Ford can handle negative weights.
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