Varianta 6 Subiectul 1 ex2

#include <iostream.h>
#include <conio.h>

int main()
{
    unsigned a,b,nr,i,x,c;
    cin>>a;cin>>b;
    nr=0;
    for(i=a; i<=b; i++)
    {
        x=i;
        c=x%10;
        while(x!=0 && x%10==c)
        {
            x=x/10;
        }
        if(x == 0)
        {
             nr++;
        }
    }
    cout<<nr;
    getch();
}