






"""simple docstring"""
from typing import TYPE_CHECKING

from ...utils import (
    OptionalDependencyNotAvailable,
    _LazyModule,
    is_tf_available,
    is_torch_available,
    is_vision_available,
)


_lowerCAmelCase         =							{"configuration_deit": ["DEIT_PRETRAINED_CONFIG_ARCHIVE_MAP", "DeiTConfig", "DeiTOnnxConfig"]}

try:
							if not is_vision_available():
														raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
							pass
else:
							_lowerCAmelCase         =							["DeiTFeatureExtractor"]
							_lowerCAmelCase         =							["DeiTImageProcessor"]

try:
							if not is_torch_available():
														raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
							pass
else:
							_lowerCAmelCase         =							[
							    "DEIT_PRETRAINED_MODEL_ARCHIVE_LIST",
							    "DeiTForImageClassification",
							    "DeiTForImageClassificationWithTeacher",
							    "DeiTForMaskedImageModeling",
							    "DeiTModel",
							    "DeiTPreTrainedModel",
							]

try:
							if not is_tf_available():
														raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
							pass
else:
							_lowerCAmelCase         =							[
							    "TF_DEIT_PRETRAINED_MODEL_ARCHIVE_LIST",
							    "TFDeiTForImageClassification",
							    "TFDeiTForImageClassificationWithTeacher",
							    "TFDeiTForMaskedImageModeling",
							    "TFDeiTModel",
							    "TFDeiTPreTrainedModel",
							]


if TYPE_CHECKING:
							from .configuration_deit import DEIT_PRETRAINED_CONFIG_ARCHIVE_MAP, DeiTConfig, DeiTOnnxConfig

							try:
														if not is_vision_available():
																					raise OptionalDependencyNotAvailable()
							except OptionalDependencyNotAvailable:
														pass
							else:
														from .feature_extraction_deit import DeiTFeatureExtractor
														from .image_processing_deit import DeiTImageProcessor

							try:
														if not is_torch_available():
																					raise OptionalDependencyNotAvailable()
							except OptionalDependencyNotAvailable:
														pass
							else:
														from .modeling_deit import (
														    DEIT_PRETRAINED_MODEL_ARCHIVE_LIST,
														    DeiTForImageClassification,
														    DeiTForImageClassificationWithTeacher,
														    DeiTForMaskedImageModeling,
														    DeiTModel,
														    DeiTPreTrainedModel,
														)

							try:
														if not is_tf_available():
																					raise OptionalDependencyNotAvailable()
							except OptionalDependencyNotAvailable:
														pass
							else:
														from .modeling_tf_deit import (
														    TF_DEIT_PRETRAINED_MODEL_ARCHIVE_LIST,
														    TFDeiTForImageClassification,
														    TFDeiTForImageClassificationWithTeacher,
														    TFDeiTForMaskedImageModeling,
														    TFDeiTModel,
														    TFDeiTPreTrainedModel,
														)


else:
							import sys

							_lowerCAmelCase         =							_LazyModule(__name__, globals()["__file__"], _import_structure, module_spec=__spec__)









"""simple docstring"""
def 			__UpperCamelCase	(		snake_case__   ,   snake_case__   ,   snake_case__					):
	return not any(
	    neighbour == 1 and colored_vertices[i] == color
	    for i, neighbour in enumerate(snake_case__					)					)






def 			__UpperCamelCase	(		snake_case__   ,   snake_case__   ,   snake_case__   ,   snake_case__					):

	# Base Case
	if index == len(snake_case__					):
		return True

	# Recursive Step
	for i in range(snake_case__					):
		if valid_coloring(graph[index]   ,   snake_case__   ,   snake_case__					):
			# Color current vertex
			A_		:						Dict	    =   i
			# Validate coloring
			if util_color(snake_case__   ,   snake_case__   ,   snake_case__   ,   index + 1					):
				return True
			# Backtrack
			A_		:						Union[str, Any]	    =   -1
	return False






def 			__UpperCamelCase	(		snake_case__   ,   snake_case__					):
	A_		:						int	    =   [-1] * len(snake_case__					)

	if util_color(snake_case__   ,   snake_case__   ,   snake_case__   ,   0					):
		return colored_vertices

	return []

