题解好数

     #include<bits/stdc++.h>
       using namespace std;
         int main ()
           {
           int t;
           cin>>t;
           while (t--)
            {
           int l,r,sum=0;
              cin>>l>>r;
         for (int i=l;i<=r;i++)
   
        if (i/100*(i/10%10)%10==i%10)sum++;
         cout<<sum<<endl;
    
       }
         return 0;

        }