VBScriptで二次元配列のクイックソート
VBScriptで二次元配列へのクイックソートを実装してみました。
VB6やVBSでも使えると思います。
(残念ながら、VBS/VB6/VBAには普通のソートはありません。MSFlexGridを使うとかしないとない)コードはGistに上げました。元ネタ結構前に書いたので、間違ってる箇所がひょっとしたらあるかも？
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Sub QuickSort(arr, idx) | |
| dim lstack(512) | |
| dim rstack(512) | |
| dim sp | |
| sp = 1 | |
| dim ltmp, rtmp | |
| dim l, r, x, swap | |
| '0番目をpush | |
| lstack(0) = 0 | |
| rstack(0) = UBound(arr) | |
| while(sp > 0) | |
| 'pop | |
| sp = sp -1 | |
| ltmp = lstack(sp) | |
| rtmp = rstack(sp) | |
| if ltmp < rtmp then | |
| l = ltmp | |
| r = rtmp | |
| x = arr(int((ltmp+rtmp)/2))(idx) | |
| Do | |
| while (arr(l)(idx) < x): l = l+1 :wend | |
| while (x < arr(r)(idx)): r = r-1 :wend | |
| if l >= r then | |
| exit Do | |
| else | |
| 'swap | |
| swap = arr(l) | |
| arr(l) = arr(r) | |
| arr(r) = swap | |
| if arr(l)(idx)=arr(r)(idx) then | |
| r = r -1 | |
| end if | |
| End If | |
| Loop | |
| 'push | |
| if (l - ltmp < rtmp -l) then | |
| lstack(sp) = l + 1 | |
| rstack(sp) = rtmp | |
| sp = sp + 1 | |
| lstack(sp) = ltmp | |
| rstack(sp) = l - 1 | |
| sp = sp + 1 | |
| else | |
| lstack(sp) = ltmp | |
| rstack(sp) = l - 1 | |
| sp = sp + 1 | |
| lstack(sp) = l + 1 | |
| rstack(sp) = rtmp | |
| sp = sp + 1 | |
| end if | |
| end if | |
| wend | |
| End Sub | |
| Sub QuickSortTest | |
| dim d | |
| d = array( _ | |
| array(1, "hogehoge"), _ | |
| array(9, "fugafuga"), _ | |
| array(3, "abaa"), _ | |
| array(4, "dusu") _ | |
| ) | |
| echo d | |
| Call QuickSort(d, 0) | |
| echo d | |
| End Sub | |
| Sub Echo(arr) | |
| dim str, c | |
| str = "" | |
| for each c in arr | |
| str = str & c(0) & ":" & c(1) & vbcrlf | |
| next | |
| WScript.Echo str | |
| End Sub | |
| QuickSortTest |