#include <bits/stdc++.h>
using namespace std;

class Solution {
   public:
    uint32_t reverseBits(uint32_t n) {
        uint32_t result = 0;

        for (int i = 0; i < 32; i++) {
            result <<= 1;
            if (n & 1) {
                result |= 1;
            }
            n >>= 1;
        }

        return result;
    }
};