You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
53 lines
1.3 KiB
53 lines
1.3 KiB
4 years ago
|
class weight(object):
|
||
|
value: int = 0
|
||
|
|
||
|
def __init__(self: "weight", value: int):
|
||
|
self.value = value
|
||
|
|
||
|
def __repr__(self: "weight"):
|
||
|
return "weight(" + str(self.value) + ")"
|
||
|
|
||
|
|
||
|
class graph(object):
|
||
|
matrix: [[weight]] = None
|
||
|
|
||
|
def __init__(self: "graph", num_vertices: int):
|
||
|
i: int = 0
|
||
|
j: int = 0
|
||
|
row: [weight] = None
|
||
|
|
||
|
self.matrix = []
|
||
|
while i < num_vertices:
|
||
|
j = 0
|
||
|
row = []
|
||
|
while j < num_vertices:
|
||
|
row = row + [weight(0)]
|
||
|
j = j + 1
|
||
|
self.matrix = self.matrix + [row]
|
||
|
i = i + 1
|
||
|
|
||
|
def add_edge(self: "graph", from_vertex: int, to_vertex: int, edge_weight: int):
|
||
|
pass
|
||
|
|
||
|
def print(self: "graph"):
|
||
|
for row in self.matrix:
|
||
|
print(row)
|
||
|
|
||
|
|
||
|
class undirectedgraph(graph):
|
||
|
def add_edge(self: "undirectedgraph", from_vertex: int, to_vertex: int, edge_weight: int):
|
||
|
self.matrix[from_vertex][to_vertex] = weight(edge_weight)
|
||
|
self.matrix[to_vertex][from_vertex] = weight(edge_weight)
|
||
|
|
||
|
|
||
|
class directedgraph(graph):
|
||
|
def add_edge(self: "undirectedgraph", from_vertex: int, to_vertex: int, edge_weight: int):
|
||
|
self.matrix[from_vertex][to_vertex] = weight(edge_weight)
|
||
|
|
||
|
|
||
|
g = undirectedgraph(3)
|
||
|
g.add_edge(0, 2, 100)
|
||
|
g.print()
|
||
|
|
||
|
directedgraph(3).print()
|