Three lines C++ solution


  • 2
    S
    class Solution {
    public:
        uint32_t reverseBits(uint32_t n) {
            decltype(n) res = 0;
            for (int i = 0; i < 32; i++, n >>= 1) res = (res << 1) | (n & 1);
            return res;
        }
    };

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