"""simple docstring"""






from __future__ import annotations

from queue import Queue
class 							snake_case			:




					"""simple docstring"""

					def __init__(							self  :      List[Any]     ):
									UpperCAmelCase__			 =				{}







					def 						__lowerCAmelCase		(							self  :      Union[str, Any]     ):
									for i in self.vertices:
													print(lowerCamelCase__       ,' : '       ,' -> '.join([str(lowerCamelCase__     ) for j in self.vertices[i]]     )     )







					def 						__lowerCAmelCase		(							self  :      Tuple       ,lowerCamelCase__  :      int       ,lowerCamelCase__  :      int     ):
									if from_vertex in self.vertices:
													self.vertices[from_vertex].append(lowerCamelCase__     )
									else:
													UpperCAmelCase__			 =				[to_vertex]







					def 						__lowerCAmelCase		(							self  :      str       ,lowerCamelCase__  :      int     ):
									UpperCAmelCase__			 =				set()

									# create a first in first out queue to store all the vertices for BFS
									UpperCAmelCase__			 =				Queue()

									# mark the source node as visited and enqueue it
									visited.add(lowerCamelCase__     )
									queue.put(lowerCamelCase__     )

									while not queue.empty():
													UpperCAmelCase__			 =				queue.get()

													# loop through all adjacent vertex and enqueue it if not yet visited
													for adjacent_vertex in self.vertices[vertex]:
																	if adjacent_vertex not in visited:
																					queue.put(lowerCamelCase__     )
																					visited.add(lowerCamelCase__     )
									return visited


if __name__ == "__main__":
						from doctest import testmod

						testmod(verbose=True)

						lowerCAmelCase__    :    str			=      Graph()
						g.add_edge(0, 1)
						g.add_edge(0, 2)
						g.add_edge(1, 2)
						g.add_edge(2, 0)
						g.add_edge(2, 3)
						g.add_edge(3, 3)

						g.print_graph()
						# 0  :  1 -> 2
						# 1  :  2
						# 2  :  0 -> 3
						# 3  :  3

						assert sorted(g.bfs(2)) == [0, 1, 2, 3]




"""simple docstring"""






import os
import unittest

import pytest
from parameterized import parameterized

from transformers.testing_utils import require_torch, require_torch_gpu, slow, torch_device


# skipping in unittest tests

lowerCAmelCase__    :    Union[str, Any]			=      [(1,)]



def     a_		(   ):
				UpperCAmelCase__			 =				bool(os.getenv('RUN_SLOW'   ,     0			)			)
				if run_slow:
								assert True
				else:
								assert False, "should have been skipped"



def     a_		(   ):
				UpperCAmelCase__			 =				bool(os.getenv('RUN_SLOW'   ,     0			)			)
				if run_slow and torch_device == "cuda":
								assert True
				else:
								assert False, "should have been skipped"
@require_torch
class 							snake_case			(					unittest.TestCase							):




					"""simple docstring"""

					@slow
					@require_torch_gpu
					def 						__lowerCAmelCase		(							self  :      Optional[Any]     ):
									check_slow_torch_cuda()







					@require_torch_gpu
					@slow
					def 						__lowerCAmelCase		(							self  :      Any     ):
									check_slow_torch_cuda()







					@parameterized.expand(lowerCamelCase__     )
					@slow
					def 						__lowerCAmelCase		(							self  :      Union[str, Any]       ,lowerCamelCase__  :      str=None     ):
									check_slow()






@slow
@require_torch_gpu
def     a_		(   ):
				check_slow_torch_cuda()



@require_torch_gpu
@slow
def     a_		(   ):
				check_slow_torch_cuda()



@slow
@pytest.mark.parametrize('param'   ,     [1]			)
def     a_		(   lowerCamelCase			):
				check_slow()







@pytest.mark.parametrize('param'   ,     [1]			)
@slow
def     a_		(   lowerCamelCase			):
				check_slow()



