How to mix Stack values in random order?

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C#

Can someone post a code?

Thanks

Posted 16-Jul-11 17:06pm

KUFIKU

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Dr.Walt Fair, PE 16-Jul-11 23:50pm

Please explain what you mean. By definition a Stack is ordered by first in last out. Do you want a random access storage or what?

2 solutions

Solution 2

Uses a List<T> for that. You will have random access and it can be used like a stack by adding and removing items at the end.

Posted 17-Jul-11 12:49pm

Philippe Mori

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Sergey Alexandrovich Kryukov 18-Jul-11 1:19am

Correct, a 5. Using list as a stack can be slower than a stack though. Everything depends on ultimate requirements of operation set.
--SA

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OriginalGriff · Accepted Answer · 2011-07-16T21:17:00

Solution 1

Stacks cannot be mixed, unless you pop all the items off, reorder them, and then push them back on again.
By definition, the first item pushed onto a stack is the last item out, and the last item pushed on is the first popped off.
Think of a pile of coins: you can only take the top coin off without the pile collapsing. If you want to re-order the coins, you must remove them all, and re-stack them in a different order.

Posted 16-Jul-11 21:17pm

OriginalGriff

Comments

Espen Harlinn 17-Jul-11 19:15pm

Well answered as usual - my 5

RaisKazi 17-Jul-11 20:59pm

To the Point. My 5.

Sergey Alexandrovich Kryukov 18-Jul-11 1:18am

Stack is stack, my 5.
--SA