diff --git a/data_structures/Graph/P01_BreadthFirstSearch.py b/data_structures/Graph/P01_BreadthFirstSearch.py deleted file mode 100644 index 16b1b2007..000000000 --- a/data_structures/Graph/P01_BreadthFirstSearch.py +++ /dev/null @@ -1,61 +0,0 @@ -# Author: OMKAR PATHAK - -class Graph(): - def __init__(self): - self.vertex = {} - - # for printing the Graph vertexes - def printGraph(self): - for i in self.vertex.keys(): - print(i,' -> ', ' -> '.join([str(j) for j in self.vertex[i]])) - - # for adding the edge beween two vertexes - def addEdge(self, fromVertex, toVertex): - # check if vertex is already present, - if fromVertex in self.vertex.keys(): - self.vertex[fromVertex].append(toVertex) - else: - # else make a new vertex - self.vertex[fromVertex] = [toVertex] - - def BFS(self, startVertex): - # Take a list for stoting already visited vertexes - visited = [False] * len(self.vertex) - - # create a list to store all the vertexes for BFS - queue = [] - - # mark the source node as visited and enqueue it - visited[startVertex] = True - queue.append(startVertex) - - while queue: - startVertex = queue.pop(0) - print(startVertex, end = ' ') - - # mark all adjacent nodes as visited and print them - for i in self.vertex[startVertex]: - if visited[i] == False: - queue.append(i) - visited[i] = True - -if __name__ == '__main__': - g = Graph() - g.addEdge(0, 1) - g.addEdge(0, 2) - g.addEdge(1, 2) - g.addEdge(2, 0) - g.addEdge(2, 3) - g.addEdge(3, 3) - - g.printGraph() - print('BFS:') - g.BFS(2) - - # OUTPUT: - # 0  ->  1 -> 2 - # 1  ->  2 - # 2  ->  0 -> 3 - # 3  ->  3 - # BFS: - # 2 0 3 1