





'''simple docstring'''


def 		__a(SCREAMING_SNAKE_CASE_					:   float      ):



    '''simple docstring'''





    if num < 0:
        return -1
    return 1 if num else 0


def 		__a():



    '''simple docstring'''





    assert signum(5      ) == 1
    assert signum(-5      ) == -1
    assert signum(0      ) == 0


if __name__ == "__main__":
       print(signum(12))
       print(signum(-12))
       print(signum(0))









'''simple docstring'''


def 		__a(SCREAMING_SNAKE_CASE_					:   List[Any]						,    SCREAMING_SNAKE_CASE_					:   str      ):



    '''simple docstring'''





    if n < 0:
        return 0
    # table[i] represents the number of ways to get to amount i
    _lowerCAmelCase		     = [0] * (n + 1)

    # There is exactly 1 way to get to zero(You pick no coins).
    _lowerCAmelCase		     = 1

    # Pick all coins one by one and update table[] values
    # after the index greater than or equal to the value of the
    # picked coin
    for coin_val in s:
        for j in range(SCREAMING_SNAKE_CASE_						,    n + 1      ):
            table[j] += table[j - coin_val]

    return table[n]


if __name__ == "__main__":
       import doctest

       doctest.testmod()


