Pure C solution with 3ms


  • 5
    C
    uint32_t reverseBits(uint32_t n) {
    int i;
    uint32_t res = 0;
    for(i = 0; i < 32; i++) {
        res = (res << 1) ^ (n & 1);
        n >>= 1;
    }
    return res;
    

    }


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