Check If It Is a Good Array LeetCode solution in C++

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class Solution {
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 public:
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  bool isGoodArray(vector<int> &nums) {
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    int gcd = 0;
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    for (int i = 0; i < nums.size(); i++) {
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      gcd = __gcd(gcd, nums[i]);
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    }
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    return gcd == 1;
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  }
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};