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2748. Numerus pulchrorum subscriptorum paria

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Quaeritur pagina:2748. Numerus pulchrorum subscriptorum paria

ut infra ostende codice:

class Solution 
{
public:
    int countBeautifulPairs(vector<int>& nums) 
    {
        int res=0;
        for(int i=0;i<nums.size();i++)
        {
            while(nums[i]>=10)   {nums[i]/=10;}
            for(int j=i+1;j<nums.size();j++)
            {
                if(gcd(nums[i],nums[j]%10)==1)  {res++;}
            }
        }
        return res;    
    }
};
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