C++ | Leetcode C++题解之第477题汉明距离总和

题目：

题解：

class Solution {
public:int totalHammingDistance(vector<int> &nums) {int ans = 0, n = nums.size();for (int i = 0; i < 30; ++i) {int c = 0;for (int val : nums) {c += (val >> i) & 1;}ans += c * (n - c);}return ans;}
};