def __init__(self, G: Graph, s: int):
self.marked = [False] * G.rV()
self.edgeTo = [None] * G.rV()
self.s = s
self.dfs(G, s)
def __init__(self, gr: Graph, s: int):
self.marked = [False] * gr.rV()
self.marked = [None] * gr.rV()
self.s = s
self.dfs(gr, s)
def __init__(self, G: Graph, s: int):
self.marked = [False] * G.rV()
self.count = 0
self.dfs(G, s)