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BlazerV60

Re-ordering a simple array

6 posts in this topic

Hello everyone,

I created this small script that shows a list of 10 people in an array.

Each person is associated with a number which is stored in another array.

Chris is associated with 3, Brian with 4, Daniel with 2, Stephen with 6 and so on.

I then made the first array (with the names in them), to be sorted in alphabetical order.

How can I make the second array with the numbers in them, also sorted accordingly so that each person is still matched with their number?

#include <Array.au3>
#include <File.au3>

Local $Array1[10] = ["Chris","Brian","Daniel","Stephen","William", "Joseph", "Diana", "Thomas", "Jason", "Carol"]
Local $Array2[10] = [3, 4, 2, 6, 7, 1, 9, 10, 5, 8]

_ArraySort($Array1)
_ArrayDisplay($Array1, "Sorted in Alphabetical Order")

;Display Array2 showing the new sorted out rows, so that each person is still matched with the number they are associated with. Results should show 4, 8, 3, 2, 9, 5, 1, 6, 10, 7

Thanks,

Brian

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Use a 2d array instead of 2x 1d arrays.

Br,

UEZ

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Like UEZ said, like this:

#include <Array.au3>

Local $Array1 = [ _
    ["Chris", 3], _
    ["Brian", 4], _
    ["Daniel", 2], _
    ["Stephen", 6], _
    ["William", 7], _
    ["Joseph", 1], _
    ["Diana", 9], _
    ["Thomas", 10], _
    ["Jason", 5], _
    ["Carol", 8] _
]

_ArraySort($Array1)
_ArrayDisplay($Array1, "Sorted in Alphabetical Order")
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This wonderful site allows debugging and testing regular expressions (many flavors available). An absolute must have in your bookmarks.
Another excellent RegExp tutorial. Don't forget downloading your copy of up-to-date pcretest.exe and pcregrep.exe here
RegExp tutorial: enough to get started
PCRE v8.33 regexp documentation latest available release and currently implemented in AutoIt beta.

SQLitespeed is another feature-rich premier SQLite manager (includes import/export). Well worth a try.
SQLite Expert (freeware Personal Edition or payware Pro version) is a very useful SQLite database manager.
An excellent eBook covering almost every aspect of SQLite3: a must-read for anyone doing serious work.
SQL tutorial (covers "generic" SQL, but most of it applies to SQLite as well)
A work-in-progress SQLite3 tutorial. Don't miss other LxyzTHW pages!
SQLite official website with full documentation (may be newer than the SQLite library that comes standard with AutoIt)

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Thanks UEZ and jchd! That made sense and I was able to get the results I wanted thanks to the 2d array method.

I have one more question though,

jchd, you had to manually type out both of my columns in your code.

Is there a way to combine both of my original 1d arrays into a 2d array with 2 columns through some sort of autoit code? Because my arrays may have 1000 entries in each and it would take too long to manually type those out.

Thanks,

Brian

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Of course there is the simple pedestrian way: use a For..Next loop with a single index used to read $Partial1DArray1, $Partial1DArray2 and write $Monster2DArray elements.

#include <Array.au3>

Local $Array1 = ["Chris","Brian","Daniel","Stephen","William", "Joseph", "Diana", "Thomas", "Jason", "Carol"]
Local $Array2 = [3, 4, 2, 6, 7, 1, 9, 10, 5, 8]

If UBound($Array1) <> UBound($Array2) Then
    MsgBox(0, "", "Big mistake")
Else
    Local $Array[UBound($Array1)][2]
    For $i = 0 To UBound($Array1) - 1
        $Array[$i][0] = $Array1[$i]
        $Array[$i][1] = $Array2[$i]
    Next
    ; optionally free both partial arrays
    $Array1 = 0
    $Array2 = 0
    _ArraySort($Array)
    _ArrayDisplay($Array, "Sorted in Alphabetical Order")
EndIf
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This wonderful site allows debugging and testing regular expressions (many flavors available). An absolute must have in your bookmarks.
Another excellent RegExp tutorial. Don't forget downloading your copy of up-to-date pcretest.exe and pcregrep.exe here
RegExp tutorial: enough to get started
PCRE v8.33 regexp documentation latest available release and currently implemented in AutoIt beta.

SQLitespeed is another feature-rich premier SQLite manager (includes import/export). Well worth a try.
SQLite Expert (freeware Personal Edition or payware Pro version) is a very useful SQLite database manager.
An excellent eBook covering almost every aspect of SQLite3: a must-read for anyone doing serious work.
SQL tutorial (covers "generic" SQL, but most of it applies to SQLite as well)
A work-in-progress SQLite3 tutorial. Don't miss other LxyzTHW pages!
SQLite official website with full documentation (may be newer than the SQLite library that comes standard with AutoIt)

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And with that, all my problems are solved.

 Thanks jchd

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      By Dimmae
      Hello,
      at first: i'm new here, so please forgive me my mistakes, and show them to me, just that i can learn to do better in the future.
      Now to my Problem: i have an excel sheet, where i just need some columns for further actions, but i have no idea how to add single columns to a new array.
      I found the following code(the one i just added as a file) from 'water' in this forum, but i wont get how i could add multiple columns into a new array.
      The biggest problem in my situation is that i dont know the count of the rows i need for the array, i just got a fix number of rows, which is 4.
       
      Hope you can help me, and sry again for this 'unlucky illustration'.
       
      btw: how can i add code shown as code here, instead of posting it as a attached file?.
       
       
       
      autoit-select-column.au3
      defects.xlsx
    • czardas
      By czardas
      Haven't had much time to code recently. However the following thread inspired me.
      The debate about linear, parallel and binary search methods was rather interesting and, in an attempt to be diplomatic, I decided to combine @jchd's suggestion with @LarsJ's binary search example. I decided that the binary search algorithm required modification to make it more linear. As usual, 'if you invent something, it probably already exists and if it already exists, it exists for a reason'. My first attempt was not all that good. The code worked but was really a mess. I blame peer pressure (to post an example of a parallel search method).  I will delete that old code in due course.
      With a little memory jogging and a glance at the help file, the solution turned out to be quite easy: I just needed a better understanding of Euler. Further modification will be needed to work with more complicated unicode strings. The output could be returned as an array or a delimitered string. I'm not so interested in those details. I'm just going to post the algorithm for now and anyone, who wants to, can modify it to suit their needs. Both arrays must contain at least 1 element.
      Local $aFoo = [0,1,2,3,4,5,6,7,9,10,11,12,13,14,15,16,19,20,23,24,26,30,35,39,40,41] Local $aBar = [0,1,5,6,7,8,9,10,11,12,13,14,17,18,19,21,24,25,26,27,34,35,38,40] ParallelExponetialSearch($aFoo, $aBar) ; Compares two lists - returning positive matches. Each input array must be unique (individually) and in alphabetical order. Func ParallelExponetialSearch($aFoo, $aBar) Local $sFind, _ $iMin_F = -1, $iMax_F = UBound($aFoo) -1, $Lo_F = $iMin_F, $Hi_F, _ $iMin_B = -1, $iMax_B = UBound($aBar) -1, $Lo_B = $iMin_B, $Hi_B While $iMin_F < $iMax_F And $iMin_B < $iMax_B ; Toggle Arrays - Which array has most untested elements? This is the one we want to search next, ; so we can bypass more comparisons because (in theory) mismatches have a greater chance of being skipped. If $iMax_F - $iMin_F >= $iMax_B - $iMin_B Then ; $aFoo has more (or an equal number of) untested elements $Hi_F = $iMax_F $iMin_B += 1 $sFind = $aBar[$iMin_B] While $Lo_F < $Hi_F ; search $aFoo For $i = 0 To Floor(Log($Hi_F - $Lo_F) / Log(2)) $Lo_F = $iMin_F + 2^$i If $aFoo[$Lo_F] = $sFind Then $iMin_F = $Lo_F ; each match should be added to the output [perhaps an array] ConsoleWrite($sFind & " found at $aFoo[" & $Lo_F & "] = $aBar[" & $iMin_B & "]" & @LF) ExitLoop 2 ElseIf $aFoo[$Lo_F] > $sFind Then $Hi_F = $Lo_F -1 $iMin_F += Floor(2^($i -1)) $Lo_F = $iMin_F ContinueLoop 2 EndIf Next $iMin_F = $Lo_F ; minimum increment is one WEnd Else ; $aBar has more untested elements $Hi_B = $iMax_B $iMin_F += 1 $sFind = $aFoo[$iMin_F] While $Lo_B < $Hi_B ; search $aBar For $i = 0 To Floor(Log($Hi_B - $Lo_B) / Log(2)) $Lo_B = $iMin_B + 2^$i If $aBar[$Lo_B] = $sFind Then $iMin_B = $Lo_B ; each match should be added to the output [perhaps an array] ConsoleWrite($sFind & " found at $aFoo[" & $iMin_F & "] = $aBar[" & $Lo_B & "]" & @LF) ExitLoop 2 ElseIf $aBar[$Lo_B] > $sFind Then $Hi_B = $Lo_B -1 $iMin_B += Floor(2^($i -1)) $Lo_B = $iMin_B ContinueLoop 2 EndIf Next $iMin_B = $Lo_B ; minimum increment is one WEnd EndIf WEnd EndFunc ;==> ParallelExponetialSearch I hope this will be useful to someone. I believe it deserved a thread of its own!