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javaとarchitectureに関するlamichのブックマーク (2)
-
lamich 2012/06/08
- java
- tomcat
- apache
- architecture
- graph
- picture
- image
リンク -
第6回 上手なアルゴリズムの見つけ方
図1に示すHTML形式のテキスト・データ（以下，HTMLデータ）があります。このHTMLデータをブラウザに表示させたときに「表示される文字列」と「その文字列に対して有効なタグ名」を対応付けるアルゴリズムを考えてください。結果は配列に格納して，画面に表示させるものとします（図2）。 見わたせば，世の中はアルゴリズムだらけです。私のようなプログラマは，日常生活でも「締め切り順に仕事をソートしてごらん」「仕事のスタックがたまっているからてんてこまい」など，いま置かれている状態をアルゴリズムやデータ構造になぞらえて会話することがよくあります。前回紹介した再帰処理と言えば，落語の演目の一つ，「頭山」です。自分の頭に生えた桜の木を引っこ抜いて，その跡にできた池に自分自身が身を投げる，という不思議な話ですが，これこそ再帰処理をよく言い表していると思います。 このように世の中には，ハッシュだってスタックだ
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