Help for this page

Select Code to Download

Select or download this

    begin(N) <= end(N) <= begin(N+1) <= end(N+1)
    begin(N) < begin(N+1)
    end(N) < end(N+1)

Select or download this

    begin(N) <= end(N) <= begin(N+1) <= end(N+1)
    skip N+1 if begin(N)==end(N)==begin(N+1)==end(N+1)