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Mr Thicky

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Joined: 21st Nov 2003

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Posted: 21st Nov 2003 23:49

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I've only started DB and would like to print out random numbers from 1 to 22 without repeating a number, any help will be appreciated.

cheers

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spooky

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Joined: 30th Aug 2002

Location: United Kingdom

Posted: 22nd Nov 2003 00:26

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There you go

+ Code Snippet

randomize timer()
num=22
dim r(0)
for f=1 to num
   if f > 1 then array insert at bottom r(0)
   r()=f
next f

for f=1 to num
   i=rnd(num-f)
   print r(i)
   array delete element r(0),i
next f
wait key

Boo!

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zircher

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Joined: 27th Dec 2002

Location: Oklahoma

Posted: 22nd Nov 2003 21:56

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One method that I used in the past was to populate an array and then roll progressively smaller dice. The die roll was not the absolute position in the array but how far to count into the array.

For a deck of cards I'd roll 1d52,1d51, 1d50, etc. Each time a card was 'pulled' I'd mark that spot in the array with a 1. When counting through the array, I'd skip marked spots. The decreaing die roll prevented me from over shooting the array. This method always presents a shuffled deack to the player. A new shuffle is just a quick loop to set all the cards back to 0.
--
TAZ

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Newcomers DBPro Corner / None-repeated random Numbers