c++ 3ms easy to understand


  • 0
    J
    public:
        uint32_t reverseBits(uint32_t n) {
            uint32_t res = 0;
            for(int i = 0;i < 32;i++) {
                uint32_t this_bit = n & 1;
                res ^= this_bit;
                if(i == 31) return res;
                res = res << 1;
                n = n >> 1;
            }
            return res;
        }
    };

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