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Crazy

_ArrayPermute And _ArrayConbinations

5 posts in this topic

Hi, i have this litle script

#include <Array.au3>


Dim $aArray[5] = [1, 2, 3,4,5]

$aArrayCombo = _ArrayCombinations($aArray, 2, ",")
_ArrayDisplay($aArrayCombo, "LAWL")


Dim $aArray[5] = [$aArrayCombo[1], 3]
$aNewArray = _ArrayPermute($aArray, ",")
_ArrayDisplay($aNewArray, "Array Permuted")

My problem is on "Dim $aArray[5] = [$aArrayCombo[1], 3]" the $aArraycombo at this point is "1,2". The problem is that auto it pick ups this as a "whole block" so he doesn't correctly do the permutations like 1,2,3 | 1,3,2 | 3,2,1| and so on he just does 1,2,3 and 3,1,2 (and the rest doesn't show up correctly for the lack of the 3 missing). Is there a way to split the "1,2"(together) to a 1,2(separated) in a way that permutations work "correctly"?

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Here's one way of doing it.

#include <Array.au3>


Dim $aArray[5] = [1, 2, 3,4,5]

$aArrayCombo = _ArrayCombinations($aArray, 2, ",")
_ArrayDisplay($aArrayCombo, "LAWL")

$string = StringSplit($aArrayCombo[1], ",")

Dim $aArray[5] = [$string[1],$string[2],3]
$aNewArray = _ArrayPermute($aArray, ",")
_ArrayDisplay($aNewArray, "Array Permuted")

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Thank you so much works perfectly!

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#4 ·  Posted (edited)

Sorry to bump this but I've found yet another problem. Is anyway to do arrangements ? For example for making a number of 4 digits when the digits can repeat them self. Combinations will make the order not important, and it Is, and permutations will not make the numbers repeat.

EDIT: Belive that arrangements will not work either its like 10! x 10! x 10! x 10!

Edited by Crazy

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Sorry to bump this but I've found yet another problem. Is anyway to do arrangements ? For example for making a number of 4 digits when the digits can repeat them self. Combinations will make the order not important, and it Is, and permutations will not make the numbers repeat.

EDIT: Belive that arrangements will not work either its like 10! x 10! x 10! x 10!

Doh its 10x10x10x10

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