728. Self Dividing Numbers

class Solution 
{
public:
    vector<int> selfDividingNumbers(int left, int right) 
    {
        vector<int>res;
        for(int j=left;j<=right;j++)
        {
            if(judgesdnum(j))
                res.push_back(j);
        }
        return res;
    }
    
    bool judgesdnum(int i)
    {
        int num=i;
        while(num>0)
        {
            int cur=num%10;
            if(cur==0||i%cur!=0)
                return false;
            num/=10;
        }
        return true;
    }
};

写个判定函数，一个一个判定，问题不大