What are graph data structures in C++?
Graph data structures in C++ are used to represent networks of interconnected nodes. They can be implemented using adjacency lists or matrices.
Can you explain the difference between adjacency list and adjacency matrix?
Sure! An adjacency list uses a list for each vertex to store its neighbors, which is space-efficient for sparse graphs. An adjacency matrix uses a 2D array to represent edges, which is better for dense graphs.
When should I use a graph data structure?
You should use a graph data structure when modeling relationships, such as social networks, transportation systems, or any scenario where entities are interconnected.
What are some common algorithms used with graphs?
Common algorithms include Depth-First Search (DFS), Breadth-First Search (BFS), Dijkstra's algorithm for shortest paths, and Prim's or Kruskal's algorithms for minimum spanning trees.
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