Leetcode 190. Reverse Bits

Reverse bits of a given 32 bits unsigned integer.

For example, given input 43261596 (represented in binary as 00000010100101000001111010011100), return 964176192 (represented in binary as 00111001011110000010100101000000).

class Solution {public:    uint32_t  reverseBits(uint32_t n) {        uint32_t result= 0;        for(int i=0; i<32; i++)            result = (result<<1) + (n>>i & 1);        return result;    }};