


'''simple docstring'''







import copy
from dataclasses import dataclass, field
from typing import ClassVar, Dict

from ..features import ClassLabel, Features, Image
from .base import TaskTemplate


@dataclass(frozen=a_	)
class 			__lowerCamelCase			(	a_	):
    """simple docstring"""
    a													=   field(default="image-classification"    , metadata={"include_in_asdict_even_if_is_default": True}	)
    a													=   Features({"image": Image()}	)
    a													=   Features({"labels": ClassLabel}	)
    a													=   "image"
    a													=   "labels"


    def        A   (  self      :							List[Any]				,							SCREAMING_SNAKE_CASE      :							Any):
           if self.label_column not in features:
                  raise ValueError(F'Column {self.label_column} is not present in features.')
           if not isinstance(features[self.label_column]				,							SCREAMING_SNAKE_CASE):
                  raise ValueError(F'Column {self.label_column} is not a ClassLabel.')
           _A					:     Dict     = copy.deepcopy(self)
           _A					:     str     = self.label_schema.copy()
           _A					:     Optional[int]     = features[self.label_column]
           _A					:     Dict     = label_schema
           return task_template


    @property
    def        A   (  self      :							str):
           return {
               self.image_column: "image",
               self.label_column: "labels",
           }










'''simple docstring'''







def 				lowerCAmelCase__	(    lowerCamelCase					:      int  ,lowerCamelCase					:      list[int]  ,lowerCamelCase					:      int       ):

       def count_of_possible_combinations(lowerCamelCase					:      int       ) -> int:
              if target < 0:
                     return 0
              if target == 0:
                     return 1
              return sum(count_of_possible_combinations(target - item       ) for item in array       )

       return count_of_possible_combinations(lowerCamelCase       )






def 				lowerCAmelCase__	(    lowerCamelCase					:      int  ,lowerCamelCase					:      list[int]  ,lowerCamelCase					:      int       ):

       def count_of_possible_combinations_with_dp_array(
           lowerCamelCase					:      int  ,lowerCamelCase					:      list[int]       ) -> int:
              if target < 0:
                     return 0
              if target == 0:
                     return 1
              if dp_array[target] != -1:
                     return dp_array[target]
              _A					:     Optional[Any]     = sum(
                  count_of_possible_combinations_with_dp_array(target - item  ,lowerCamelCase       )
                  for item in array       )
              _A					:     List[str]     = answer
              return answer

       _A					:     Optional[int]     = [-1] * (target + 1)
       return count_of_possible_combinations_with_dp_array(lowerCamelCase  ,lowerCamelCase       )






def 				lowerCAmelCase__	(    lowerCamelCase					:      int  ,lowerCamelCase					:      list[int]  ,lowerCamelCase					:      int       ):
       _A					:     Dict     = [0] * (target + 1)
       _A					:     List[str]     = 1

       for i in range(1  ,target + 1       ):
              for j in range(lowerCamelCase       ):
                     if i - array[j] >= 0:
                            dp_array[i] += dp_array[i - array[j]]

       return dp_array[target]


if __name__ == "__main__":
   import doctest

   doctest.testmod()
   A				:					Dict    						=			3
   A				:					Union[str, Any]    						=			5
   A				:					Union[str, Any]    						=			[1, 2, 5]
   print(combination_sum_iv(n, array, target))






