LeetCode-Reverse Bits-解题报告

原题链接 https://leetcode.com/problems/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).

反转位。

class Solution {
public:
uint32_t reverseBits(uint32_t n) {
uint32_t ans = 0;
int k = 32;
while(k--)
{
ans = ans << 1;
ans = ans | ( n & 1);
n = n >> 1;
}
return ans;
}
};