from adjList import AdjList if __name__ == '__main__': print('Undirected Graph:') undirected = AdjList(False) for vertex in ['r','s','t','u','v','w','x','y']: undirected.addVertex(vertex) for source,dest in [('r','s'),('r','v'),('s','w'),('w','t'),('w','x'),('t','x'),('t','u'),('x','u'),('x','y'),('u','y')]: undirected.addEdge(source,dest) print(undirected) print('BFS:\n%s'%undirected.traverseBFS('s')) print('DFS:%s\n'%undirected.traverseDFS()) print('\nTesting Copy Undirected:') copy = undirected.copyGraph() print(copy) print('BFS:\n%s'%copy.traverseBFS('s')) print('\nDFS:%s\n'%copy.traverseDFS()) print('\nAfter Delete Vertex r:') undirected.removeVertex('r') print(undirected) print('BFS:\n%s'%undirected.traverseBFS('s')) print('\nDFS:%s\n'%undirected.traverseDFS()) print('\nAfter Delete Edge x->u:') undirected.removeEdge('x','u') print(undirected) print('BFS:\n%s'%undirected.traverseBFS('s'))
from adjList import AdjList if __name__ == '__main__': print('Directed Cycle:') cycle = AdjList(True) for vertex in ['r','s','t','u']: cycle.addVertex(vertex) for source,dest in [('r','s'),('s','t'),('t','r'),('t','u')]: cycle.addEdge(source,dest) print(cycle) print('BFS:\n%s'%cycle.traverseBFS('s')) print('\nDFS: %s\n'%cycle.traverseDFS()) print('Graph is a DAG: %s'%cycle.isDAG()) print('Topological Sort: %s'%cycle.topologicalSort()) print('Strongly Connected Components: %s\n'%cycle.stronglyConnectedComponents())
from adjList import AdjList if __name__ == '__main__': print('DAG:') dag = AdjList(True) for vertex in ['r','s','t','u','v','w','x','y']: dag.addVertex(vertex) for source,dest in [('r','s'),('r','v'),('s','w'),('w','t'),('w','x'),('t','x'),('t','u'),('x','u'),('x','y'),('u','y')]: dag.addEdge(source,dest) print(dag) print('BFS:\n%s'%dag.traverseBFS('s')) print('\nDFS: %s'%dag.traverseDFS()) print('Topological Sort: %s'%dag.topologicalSort()) transpose = dag.computeTranspose() print('\nTranspose of dag:\n%s'%transpose) print('Strongly Connected Components: %s\n'%dag.stronglyConnectedComponents()) print('\nTesting Copy:\n') copy = dag.copyGraph() print(copy) print('BFS:\n%s'%copy.traverseBFS('s')) print('\nDFS:%s\n'%copy.traverseDFS()) print('Graph is a DAG: %s\n'%copy.isDAG()) print('Copy Graph after removing vertex "v"') copy.removeVertex('v') print(copy) print('DFS:%s\n'%copy.traverseDFS())