Posted by Nic on 07/18/06 11:45

Thanks for the answer.
No. This is not a school project. Just a funny hobby.

Nico

"Sheldon Glickler" <sheldonlg@asap-consult.com> ha scritto nel messaggio
news:Lv2vg.93$1Z5.65@twister.nyroc.rr.com...
>
> "Nico" <nico@nospam.it> wrote in message news:44bcabd9$1@news.unimib.it...
>>
>> Hi,
>>
>> I've created the following sample php code.
>>
>> Elements<br>
>> <?php
>> $elements[1]="element1";
>> $elements[2]="element2";
>> $elements[3]="element3";
>> $elements[4]="element4";
>> $elements[5]="element5";
>> ?>
>> Combinations
>> <?php
>> $combinations[1][1]="element1"; // Combination of element 1 with element
>> 2
>> $combinations[1][2]="element2";
>> $combinations[2][1]="element3"; // Combination of element 1 with element
>> 3
>> $combinations[2][2]="element1";
>> $combinations[3][1]="element4"; // Combination of element 1 with element
>> 4
>> $combinations[3][2]="element1";
>> $combinations[4][1]="element5"; // Combination of element 1 with element
>> 5
>> $combinations[4][2]="element1";
>> ?>
>>
>> I'd like to define two simple functions:
>> countcombinations(a,...;b,...)
>> listcombinations(a,...;b,...)
>>
>> The first function "countcombinations(a,...;b,...)" should count how many
>> combinations exist in which "a" and "..." are included and "b" and "..."
>> are not included.
>>
>> Example
>> countcombinations(element1;element2,element3)
>> Result: 2 ("element1 combined with element4" and "element1 combined with
>> element5")
>>
>> The second function "listcombinations(a,...;b,...)" should list the
>> elements
>> combined with "a" and "...", excluding from the list the elements "b" and
>> "...".
>>
>> Example
>> listcombinations(element1;element2,element3)
>> Result: element4, element5
>>
>> I've some difficult in defining this two functions.
>> Can you help me please?
>> Many thanks.
>>
>> Best,
>> Nico
>
> I don't know if these ae related to your problem, but:
> 1 - indices start with zero, not one.
> 2 - A semicolon ends a sentence so I don't understand your argument list
> 3 - I cannot follow your naming in "combinations".
>
> Is this a school project?
>
> Shelly
>

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