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Removed the (incorrectly named) redundant file graph_list.py and renamed graph.py to graph_list.py (#820)
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#!/usr/bin/python
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# encoding=utf8
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from __future__ import print_function
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# Author: OMKAR PATHAK
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# We can use Python's dictionary for constructing the graph.
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class AdjacencyList(object):
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def __init__(self):
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self.List = {}
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def addEdge(self, fromVertex, toVertex):
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# check if vertex is already present
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if fromVertex in self.List.keys():
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self.List[fromVertex].append(toVertex)
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else:
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self.List[fromVertex] = [toVertex]
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def printList(self):
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for i in self.List:
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print((i,'->',' -> '.join([str(j) for j in self.List[i]])))
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if __name__ == '__main__':
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al = AdjacencyList()
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al.addEdge(0, 1)
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al.addEdge(0, 4)
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al.addEdge(4, 1)
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al.addEdge(4, 3)
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al.addEdge(1, 0)
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al.addEdge(1, 4)
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al.addEdge(1, 3)
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al.addEdge(1, 2)
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al.addEdge(2, 3)
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al.addEdge(3, 4)
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al.printList()
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# OUTPUT:
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# 0 -> 1 -> 4
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# 1 -> 0 -> 4 -> 3 -> 2
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# 2 -> 3
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# 3 -> 4
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# 4 -> 1 -> 3
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@ -1,31 +1,44 @@
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#!/usr/bin/python
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# encoding=utf8
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from __future__ import print_function
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# Author: OMKAR PATHAK
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# We can use Python's dictionary for constructing the graph.
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class Graph:
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def __init__(self, vertex):
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self.vertex = vertex
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self.graph = [[0] for i in range(vertex)]
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class AdjacencyList(object):
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def __init__(self):
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self.List = {}
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def add_edge(self, u, v):
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self.graph[u - 1].append(v - 1)
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def addEdge(self, fromVertex, toVertex):
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# check if vertex is already present
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if fromVertex in self.List.keys():
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self.List[fromVertex].append(toVertex)
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else:
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self.List[fromVertex] = [toVertex]
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def show(self):
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for i in range(self.vertex):
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print('%d: '% (i + 1), end=' ')
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for j in self.graph[i]:
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print('%d-> '% (j + 1), end=' ')
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print(' ')
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def printList(self):
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for i in self.List:
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print((i,'->',' -> '.join([str(j) for j in self.List[i]])))
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if __name__ == '__main__':
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al = AdjacencyList()
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al.addEdge(0, 1)
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al.addEdge(0, 4)
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al.addEdge(4, 1)
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al.addEdge(4, 3)
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al.addEdge(1, 0)
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al.addEdge(1, 4)
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al.addEdge(1, 3)
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al.addEdge(1, 2)
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al.addEdge(2, 3)
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al.addEdge(3, 4)
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al.printList()
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g = Graph(100)
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g.add_edge(1,3)
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g.add_edge(2,3)
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g.add_edge(3,4)
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g.add_edge(3,5)
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g.add_edge(4,5)
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g.show()
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# OUTPUT:
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# 0 -> 1 -> 4
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# 1 -> 0 -> 4 -> 3 -> 2
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# 2 -> 3
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# 3 -> 4
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# 4 -> 1 -> 3
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