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  #11  
Old 03-09-2003, 10:40 PM
p0wered p0wered is offline
 
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This is a great start, I am going to be learning c and vb I would think, this can be easily accomplished with those languages then a web programming language.

Thanks for your help Filb, you got me going in the right direction.
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  #12  
Old 03-09-2003, 10:42 PM
filburt1 filburt1 is offline
 
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Glad to help. My suggestion is just reverse the process of checkforwards() and checkbackwards() to generate sequences instead of validating them. Either way you can see the logic in the if statement of the for loops in both functions.
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  #13  
Old 03-09-2003, 10:50 PM
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How exactly would I reverse the proccess of testforwards and testbackwards?

I am a bit ne to php I know the basics, but your coding is way to advances

Thanks again!
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  #14  
Old 03-09-2003, 10:52 PM
filburt1 filburt1 is offline
 
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(side note: there are technically infinite permutations; you need to say what integers can be used and how many of them)

The core logic behind the whole thing is this line:
PHP Code:
if ($sequence[$i] != $smallest and $sequence[$i] != $sequence[$i 1] + 1) return false
Translated:
Quote:
If the current element in the sequence is not the smallest element and it is not equal to the (previous item in the sequence plus one), then the sequence is invalid.
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  #15  
Old 03-09-2003, 11:03 PM
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Ah I see.

So how do I reverse this to output all sequences?

Sorry, it seems I am a php newbie, just know all basics and mysql basics.
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  #16  
Old 03-09-2003, 11:36 PM
filburt1 filburt1 is offline
 
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SOrry but I don't have to time to rewrite the script.
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  #17  
Old 03-10-2003, 12:11 AM
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Oh, I wasn't asking to rewrite What you have done is so much, and I appreciate the time you took. When anyone has the time, if they can tell me which line to edit, and how to edit it I will do the rest.

Thanks again.
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