

'''simple docstring'''




def 						UpperCamelCase	(			a		,						a		,						a			)				->     int:






     '''simple docstring'''

     def count_of_possible_combinations(a			) -> 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(_UpperCamelCase			)




def 						UpperCamelCase	(			a		,						a		,						a			)				->     int:






     '''simple docstring'''

     def count_of_possible_combinations_with_dp_array(
         a		,						a			) -> int:
          if target < 0:
               return 0
          if target == 0:
               return 1
          if dp_array[target] != -1:
               return dp_array[target]
          __magic_name__						       =    sum(
              count_of_possible_combinations_with_dp_array(target - item		,						_UpperCamelCase			)
              for item in array			)
          __magic_name__						       =    answer
          return answer

     __magic_name__						       =    [-1] * (target + 1)
     return count_of_possible_combinations_with_dp_array(_UpperCamelCase		,						_UpperCamelCase			)




def 						UpperCamelCase	(			a		,						a		,						a			)				->     int:






     '''simple docstring'''
     __magic_name__						       =    [0] * (target + 1)
     __magic_name__						       =    1

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

     return dp_array[target]


if __name__ == "__main__":
  import doctest

  doctest.testmod()
  _lowerCAmelCase         =						3
  _lowerCAmelCase         =						5
  _lowerCAmelCase         =						[1, 2, 5]
  print(combination_sum_iv(n, array, target))









'''simple docstring'''




import functools




def 						UpperCamelCase	(			a		,						a			)				->     int:






     '''simple docstring'''
     __magic_name__						       =    len(a			)
     __magic_name__						       =    len(a			)

     @functools.cache
     def min_distance(a		,						a			) -> int:
          # if first word index is overflow - delete all from the second word
          if indexa >= len_worda:
               return len_worda - indexa
          # if second word index is overflow - delete all from the first word
          if indexa >= len_worda:
               return len_worda - indexa
          __magic_name__						       =    int(worda[indexa] != worda[indexa]			)  # current letters not identical
          return min(
              1 + min_distance(indexa + 1		,						a			)		,						1 + min_distance(a		,						indexa + 1			)		,						diff + min_distance(indexa + 1		,						indexa + 1			)		,						)

     return min_distance(0		,						0			)


if __name__ == "__main__":
      import doctest

      doctest.testmod()






