pb31

#include <iostream>//||

using namespace std;

int main()
{
    unsigned n,c,dr,cif,aparitii=0,cn;
    cout<<"n=";cin>>n;
    cout<<"c=";cin>>c;
    dr=c+1;
    c--;


    while (c<=dr)
    {
        cn=n;
        while (cn!=0)
            {
        cif=cn%10;
        cn/=10;
        if (cif==c)
            aparitii++;

            }
        c++;
    }

     cout<<aparitii;
    return 0;
}