On 22 Jun., 15:36, "Dik T. Winter" <Dik.Win...@cwi.nl> wrote: > In article <046c5a1d-9623-406f-88f4-b79b4447d...@r34g2000vba.googlegroups.com> WM <mueck...@rz.fh-augsburg.de> writes: > > On 19 Jun., 16:35, "Dik T. Winter" <Dik.Win...@cwi.nl> wrote: > ... > > > > > > > > > Because you do not check the lines in order. It is always > > > > > > > > > your basic assumption that you first check the first line > > > > > > > > > and after that the next line. That is wrong. > > > > > > > > > > > > > > > > That is necessary because you cannot find the n-th line unless > > > > > > > > you know the line number n - 1 or some equivalent mark. > > > > > > > > > > But why is getting the number n in any way related to the checking > > > > > of the previous lines? > > > > > > > > Because by blind choice you cannot be sure to hit what you want. > > > > > > Why does it imply checking the previous lines? Why do you not answer > > > that question? > > > > You cannot check line n without knowing line n-1. > > But why does that imply *checking* line n-1? Why do you not answer that > question?
It implies knowing line n-1. It implies counting till that number.
