```class Solution { public: bool isPowerOfTwo(int n) { return (__builtin_popcount(n) == 1 && (n<<1) ); } };```


  • 0
    H
    class Solution {
    public:     '
    bool isPowerOfTwo(int n) {
             return (__builtin_popcount(n) == 1 && (n<<1) );
    }
    };
    

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