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On 18 Dec 2001 at 6:30, Ray Catzel wrote:
> Daniel, this is a great project to show students what can be programmed.
Yes... I thought so, too.
> It
> is too lengthy and tough for my elementary graders. However I will show it
> to my Grade 11 Computer Science students and challenge them to do it in
> Visual Basic (which is the language that I use for the course - for many
> reasons that I will not go into here).
They will need a shuffling procedure...
After the person chooses a card and shuffles the deck (27 cards) , the
magician takes the deck and deals it in three groups.
The person remembers in which group the card is and at the end of the deal
the person tell the magician.
The magician then puts the group of cards with the selected card in the
middle of the other two and deals again the cards in three groups (without
shuffling).
The magician deals the cards three times and every time puts the group with
the selected card in the middle.
After that the magician shows the 14th card of the deck (that is the
selected card).
It's pretty amazing, isn't it!
> Thanks for your effort!
Your are welcome.
Daniel
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