Re: D�mi 2 � haust 2001 profi -- SkilaboÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂ°askjÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂ³ÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂ°a TÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂ¶lvunarfrÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂ¦ÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂ°i 2

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Date Posted: 06:54:01 04/25/02 Thu
Author: Hj�lmt�r
Subject: Re: D�mi 2 � haust 2001 profi
In reply to: Feiti 's message, "D�mi 2 � haust 2001 profi" on 13:36:14 04/24/02 Wed

>� d�mi 2 � haustpr�finu 2001 er nafnahn�turinn me�
>char* nafn, breytu sem inniheldur nafni�, en ekki
>String breytu e�a vektor af char breytum.
> Af hverju er �etta svona og hvernig virkar �etta ��?
> Er �� h�gt a� setja heilt or� �arna inn �annig a�
>char* nafn bendi � fyrsta stafinn og n�stu stafir �
>eftir s�u bara skrifa�ir inn � minni� � eftir honum,
>sama hva� fyrir v�ri?

Hn�turinn er ekki vektor af char, �v� vi� vitum ekki hve langt nafni� er. � sta�inn er bara bendir �
char, og �egar nafni� kemur inn �� er be�i� um char vektor af r�ttri st�r� me� new og char-bendirinn nafn l�tinn
benda � vektorinn. (t.d. p->nafn = new char[len]; )

Vi� g�tum au�vita� l�ka nota� String klasa, og �� myndi hann gera �etta fyrir okkur (� raun n�kv�mlega �annig!).
En vi� f�rum ekki svo miki� � String klasann � fyrra.

Athuga�u a� �egar veri� er a� setja inn g�gn af breytilegri st�r�, eins og strengi, �� er frekar erfitt a� taka fr�
pl�ss yfir �au �ll fyrirfram (�a� �yrfti �� a� vera mesta m�gulega streng lengd, � �llum hn�tunum. �� g�tum vi�
sagt:



   struct nHnut { char nafn[100];

                  nHnut* next; }

�� v�ri pl�ss fyrir 100 stafa nafn � hverjum hn�ti, sem v�ri au�vita� nokkur s�un fyrir �au n�fn sem eru styttri.

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