mirror of
https://github.com/TheAlgorithms/Python.git
synced 2024-11-24 05:21:09 +00:00
46 lines
1.0 KiB
Python
46 lines
1.0 KiB
Python
class Graph:
|
|
|
|
def __init__(self, vertex):
|
|
self.vertex = vertex
|
|
self.graph = [[0] * vertex for i in range(vertex) ]
|
|
|
|
def add_edge(self, u, v):
|
|
self.graph[u - 1][v - 1] = 1
|
|
self.graph[v - 1][u - 1] = 1
|
|
|
|
def show(self):
|
|
|
|
for i in self.graph:
|
|
for j in i:
|
|
print(j, end=' ')
|
|
print(' ')
|
|
def bfs(self,v):
|
|
|
|
visited = [False]*self.vertex
|
|
visited[v - 1] = True
|
|
print('%d visited' % (v))
|
|
|
|
queue = [v - 1]
|
|
while len(queue) > 0:
|
|
v = queue[0]
|
|
for u in range(self.vertex):
|
|
if self.graph[v][u] == 1:
|
|
if visited[u]== False:
|
|
visited[u] = True
|
|
queue.append(u)
|
|
print('%d visited' % (u +1))
|
|
queue.pop(0)
|
|
|
|
g = Graph(10)
|
|
|
|
g.add_edge(1,2)
|
|
g.add_edge(1,3)
|
|
g.add_edge(1,4)
|
|
g.add_edge(2,5)
|
|
g.add_edge(3,6)
|
|
g.add_edge(3,7)
|
|
g.add_edge(4,8)
|
|
g.add_edge(5,9)
|
|
g.add_edge(6,10)
|
|
g.bfs(1)
|