def breadth_first(graph: AdjacencyMatrixGraph, target_number, start_node: int = 0):
    queue: Queue = Queue()
    queue.put(start_node)

    visited: np.ndarray = np.zeros(graph.numVertices)

    while not queue.empty():
        vertex: int = queue.get()
        if visited[vertex]:
            continue
        print(f'Visit --> {vertex}')
        visited[vertex] = True

        for v in graph.get_adjacent_vertices(vertex):
            not(visited[v]) and queue.put(v)
Exemple #2
0
import numpy as np
from adjacency_matrix import AdjacencyMatrixGraph


def depth_first(graph, visited, current=0):
    if visited[current] == 1: return

    visited[current] = 1
    print(f'Visit: {current}')

    for vertex in graph.get_adjacent_vertices(current):
        depth_first(graph, visited, vertex)


g = AdjacencyMatrixGraph(9)
g.add_edge(0, 1)
g.add_edge(1, 2)
g.add_edge(2, 7)
g.add_edge(2, 4)
g.add_edge(2, 3)
g.add_edge(1, 5)
g.add_edge(5, 6)
g.add_edge(6, 3)
g.add_edge(3, 4)
g.add_edge(6, 8)

visited = np.zeros(g.numVertices)
depth_first(g, visited)
Exemple #3
0
import numpy as np
from adjacency_matrix import AdjacencyMatrixGraph

def depth_first(graph, visited, current=0):
    if visited[current] == True:
        return

    visited[current] = True
    print(f'Visit: {current}')

    for vertex in graph.get_adjacent_vertices(current):
        depth_first(graph, visited, vertex)


if __name__ == '__main__':
    g: AdjacencyMatrixGraph = AdjacencyMatrixGraph(9)
    g.add_edge(0, 1)
    g.add_edge(1, 2)
    g.add_edge(2 ,7)
    g.add_edge(2, 4)
    g.add_edge(2, 3)
    g.add_edge(1, 5)
    g.add_edge(5, 6)
    g.add_edge(6, 3)
    g.add_edge(3, 4)
    g.add_edge(6, 8)

    visited: np.ndarray = np.zeros(g.numVertices)
    depth_first(g, visited)