[LeetCode]191. Number of 1 Bits

    xiaoxiao2021-03-25  98

    [LeetCode]191. Number of 1 Bits

    题目描述

    思路

    位操作,之前做过类似的

    代码

    class Solution { public: int hammingWeight(uint32_t n) { int res = 0; while (n){ res++; n &= n - 1; } return res; } };
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