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https://leetcode.cn/problems/number-of-1-bits/description/ Q编写一个函数,输入是一个无符号整数(以二进制串的形式),返回其二进制表达式中数字位数为 ‘1’ 的个数(也被称为汉明重量)。 A移位,检查每一位是不是1 class Solution { public: int hammingWeight(uint32_t...