15 Jun 2024•C++ / Python / TypeScript•Easy

Power of Three

Collected C++, Python, TypeScript solutions for power of three. Add a dedicated write-up later if you want deeper notes.

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auto-generated entry for Power of Three. the solution files are available below.

solution files

C++ power-of-three/synced-solution.cpp
Python power-of-three/synced-solution.py
TypeScript power-of-three/synced-solution.ts

Solution files

Python•power-of-three/synced-solution.py

def isPowerOfThree(n: int) -> bool:
    if n <= class="syntax-number">0:
        return False
    while n % class="syntax-number">3 == class="syntax-number">0:
        n class=class="syntax-string">"syntax-comment">//= class="syntax-number">3
    return n == class="syntax-number">1

C++•power-of-three/synced-solution.cpp

class Solution {
public:
    bool isPowerOfThree(int n) {
        if (n <= class="syntax-number">0) return false;
        while (n % class="syntax-number">3 == class="syntax-number">0) {
            n /= class="syntax-number">3;
        }
        return n == class="syntax-number">1;
    }
};

TypeScript•power-of-three/synced-solution.ts

function isPowerOfThree(n: number): boolean {
    if (n <= class="syntax-number">0) return false;
    while (n % class="syntax-number">3 === class="syntax-number">0) {
        n /= class="syntax-number">3;
    }
    return n === class="syntax-number">1;
}