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Create 477. Total Hamming Distance.cpp

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	`1`	`+class Solution {`
	`2`	`+public:`
	`3`	`+ int totalHammingDistance(vector<int>& nums) {`
	`4`	`+ int ans = 0;`
	`5`	`+ for(int i=0;i<nums.size();i++){`
	`6`	`+ for(int j=i+1;j<nums.size();j++){`
	`7`	`+ int temp = nums[i]^nums[j];`
	`8`	`+ ans+=__builtin_popcount(temp);`
	`9`	`+ }`
	`10`	`+ }`
	`11`	`+ return ans;`
	`12`	`+ }`
	`13`	`+};`

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