Python Arena

Power of Three

Powers of 3 are numbers like 1, 3, 9, 27, and so on. Given an integer n, return True if it can be written as 3^k, where k is a non-negative integer. In all other cases, return False.

Примеры

Ввод
27
Вывод
True
Ввод
0
Вывод
False
Ввод
9
Вывод
True

Нужно реализовать

def is_power_of_three(n: int) -> bool:

Теги

math
PostgreSQLv16
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Aquí aparecerá el resultado de la ejecución del código

Visible tests
1
Input
27
ExpectedTrue
2
Input
0
ExpectedFalse
3
Input
9
ExpectedTrue
4
Input
45
ExpectedFalse
5
Input
1
ExpectedTrue
6
Input
3
ExpectedTrue
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