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Assignment 8 BFS and DFS algorithms.

Programming assignment 8.

In this program you are required to implement the BFS and DFS algorithms.
1. Request the user to determine the order (|V|) and size (|E|) of the graph.
2. Generate |E| random edges into the adjacency matrix/list (Adj) to make a random directed graph.
3. Print the resulting adjacency matrix/list.
Part A.
1. Request the user to determine the starting vertex (u) for BFS and DFS_visit algorithms
2. Call BFS function to find the vertices reachable from vertex u and print the shortest paths and their
lengths/distances.
3. Call DFS_visit function to find the vertices reachable from vertex u and for each vertex print the
start/finish time.
Part B. In this part, we print the topological order of the vertices
1. Run DFS function to check if the graph is a DAG (directed acyclic graph):
✓ Search for backward edges. If there are any, (the graph has a cycle.) print: “Cycle detected,
topological sort is impossible”.
2. If the graph is DAG, (while running DFS):
✓ Insert the vertex into a linked list as it finishes.
✓ Using your linked list, print the topological order of the vertices along with their start/finish
time.

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