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题目：
题解：
class Solution:def totalHammingDistance(self, nums: List[int]) -> int:n = len(nums)ans = 0for i in range(30):c = sum(((val >> i) & 1) for val in nums)ans += c * (n - c)return ans
题目：
题解：
class Solution:def totalHammingDistance(self, nums: List[int]) -> int:n = len(nums)ans = 0for i in range(30):c = sum(((val >> i) & 1) for val in nums)ans += c * (n - c)return ans