Not to worry about !!
\nclass Solution {\npublic:\n    bool isGoodArray(vector<int>& a) \n    {\n        int g=0;\n        for(int i=0;i<(int)a.size();i++)\n            g=__gcd(g,a[i
```\nclass Solution {\npublic:\n    bool isGoodArray(vector<int>& a) \n    {\n        int g=0;\n        for(int i=0;i<(int)a.size();i++)\n            g=__gcd(g,a[i]);\n        if(g>1) return 0;\n        else return 1;\n    }\n};\n```
['Math', 'C', 'C++']