





'''simple docstring'''


def 	__a(SCREAMING_SNAKE_CASE_  :					int		,       SCREAMING_SNAKE_CASE_  :					list[int]		,       SCREAMING_SNAKE_CASE_  :					int    ):



    '''simple docstring'''





    def count_of_possible_combinations(SCREAMING_SNAKE_CASE_  :					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(SCREAMING_SNAKE_CASE_    )


def 	__a(SCREAMING_SNAKE_CASE_  :					int		,       SCREAMING_SNAKE_CASE_  :					list[int]		,       SCREAMING_SNAKE_CASE_  :					int    ):



    '''simple docstring'''





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

    _lowerCAmelCase				=      [-1] * (target + 1)
    return count_of_possible_combinations_with_dp_array(SCREAMING_SNAKE_CASE_		,       SCREAMING_SNAKE_CASE_    )


def 	__a(SCREAMING_SNAKE_CASE_  :					int		,       SCREAMING_SNAKE_CASE_  :					list[int]		,       SCREAMING_SNAKE_CASE_  :					int    ):



    '''simple docstring'''





    _lowerCAmelCase				=      [0] * (target + 1)
    _lowerCAmelCase				=      1

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

    return dp_array[target]


if __name__ == "__main__":
       import doctest

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









'''simple docstring'''


from __future__ import annotations


def 	__a(SCREAMING_SNAKE_CASE_  :					float		,       SCREAMING_SNAKE_CASE_  :					float		,       SCREAMING_SNAKE_CASE_  :					float    ):



    '''simple docstring'''





    if (voltage, current, resistance).count(0    ) != 1:
        raise ValueError("One and only one argument must be 0"    )
    if resistance < 0:
        raise ValueError("Resistance cannot be negative"    )
    if voltage == 0:
        return {"voltage": float(current * resistance    )}
    elif current == 0:
        return {"current": voltage / resistance}
    elif resistance == 0:
        return {"resistance": voltage / current}
    else:
        raise ValueError("Exactly one argument must be 0"    )


if __name__ == "__main__":
       import doctest

       doctest.testmod()


