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[Leet Code] 231. Power of Two, C++ 본문

코딩 문제

[Leet Code] 231. Power of Two, C++

Zach Choi 2023. 1. 17. 20:37

Solution

- Use Bitwise operator

 

class Solution {
public:
    bool isPowerOfTwo(int n) {

        if (n < 0)
        {
            return false;
        }
        else
        {
            return n && !(n & n - 1);
        }

    }
};

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