int main()
{
Dlist<int> dlist;
int i=dlist.size();
std::cout<<i<<std::endl;
dlist.push_back(2);
for (int j1=0; j1<dlist.size(); ++j1)
std::cout<<dlist.value(j1+1)<<'-';
std::cout<<std::endl;
dlist.push_front(4);
for (int j2=0; j2<dlist.size(); ++j2)
std::cout<<dlist.value(j2+1)<<'-';
std::cout<<std::endl;
dlist.insert_after(7,1);
i=dlist.size();
std::cout<<i<<std::endl;
for (int j3=0; j3<dlist.size(); ++j3)
std::cout<<dlist.value(j3+1)<<'-';
std::cout<<std::endl;
dlist.reverse();
std::cout<<dlist.size()<<std::endl;
for (int j4=0; j4<dlist.size(); ++j4)
std::cout<<dlist.value(j4+1)<<'-';
std::cout<<std::endl;
dlist.clear();
std::cout<<dlist.size()<<std::endl;
return 0;
}
