Basic Pascal Tutorial/Chapter 4/Solution/ja: what changed
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Title: Basic Pascal Tutorial/Chapter 4/Solution/ja
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| 1 | + | 4Ga - ハノイの塔の解答例 (著者: Tao Yue, 状態: 原文のまま変更なし) | |
| 2 | + | ||
| 3 | + | ``` pascal | |
| 4 | + | (* 著者: Tao Yue | |
| 5 | + | 日付: 13 July 2000 | |
| 6 | + | 記述: | |
| 7 | + | ハノイの塔の解答 | |
| 8 | + | Version: | |
| 9 | + | 1.0 - original version | |
| 10 | + | *) | |
| 11 | + | ||
| 12 | + | program TowersofHanoi; | |
| 13 | + | ||
| 14 | + | var | |
| 15 | + | numdiscs : integer; | |
| 16 | + | ||
| 17 | + | (********************************************************) | |
| 18 | + | ||
| 19 | + | procedure DoTowers (NumDiscs, OrigPeg, NewPeg, TempPeg : integer); | |
| 20 | + | (* 変数の説明: | |
| 21 | + | Number of discs -- OrigPegに載っている円盤の数 | |
| 22 | + | OrigPeg -- 塔の棒の数 | |
| 23 | + | NewPeg -- 塔から移動させる棒のナンバー | |
| 24 | + | TempPeg -- 一時的に置いておくために使う棒のナンバー | |
| 25 | + | *) | |
| 26 | + | ||
| 27 | + | begin | |
| 28 | + | (* 最初のベースの場合を処理する -- １つの円盤 *) | |
| 29 | + | if NumDiscs = 1 then | |
| 30 | + | writeln (OrigPeg, ' ---> ', NewPeg) | |
| 31 | + | (* 他のすべての場合を処理する *) | |
| 32 | + | else | |
| 33 | + | begin | |
| 34 | + | (* 最初に一番下の円盤以外の全てを TempPeg に移動させる。その際には NewPeg を一時保存の棒として使う *) | |
| 35 | + | DoTowers (NumDiscs-1, OrigPeg, TempPeg, NewPeg); | |
| 36 | + | (* 次に一番下の円盤を OrigPeg から NewPeg に動かす*) | |
| 37 | + | writeln (OrigPeg, ' ---> ', NewPeg); | |
| 38 | + | (* 最後に一時的に TempPeg にある円盤を NewPeg に動かす。その移動の際、OrigPeg を一時的な棒として使う *) | |
| 39 | + | DoTowers (NumDiscs-1, TempPeg, NewPeg, OrigPeg) | |
| 40 | + | end | |
| 41 | + | end; | |
| 42 | + | ||
| 43 | + | (********************************************************) | |
| 44 | + | ||
| 45 | + | begin (* Main *) | |
| 46 | + | write ('Please enter the number of discs in the tower ===> '); | |
| 47 | + | readln (numdiscs); | |
| 48 | + | writeln; | |
| 49 | + | DoTowers (numdiscs, 1, 3, 2) | |
| 50 | + | end. (* Main *) | |
| 51 | + | ``` | |
| 52 | + | ||
| 53 | + | | | | | | |
| 54 | + | |----|----|----| | |
| 55 | + | | [[Basic Pascal Tutorial/Chapter 4/Programming Assignment/ja|previous]] | [[Basic Pascal Tutorial/Contents/ja|contents]] | [[Basic Pascal Tutorial/Chapter 5/Enumerated types/ja|next]] | | |
| 56 | + | ||
| 57 | + | --- | |
| 58 | + | *From the Free Pascal wiki, page "Basic Pascal Tutorial/Chapter 4/Solution/ja", as it stood on 2022-08-20 after a change by Kai Burghardt, out of the wiki's dump of 2024-05-26. Copyright stays with the author who wrote it, according to the old wiki's [[Licensing]] page. If you have concerns about this material, [message the admin](/wiki-contact).* |