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clean up
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Sun, 27 Dec 2020 13:26:44 +0900
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-title: 正規表現の決定性オートマトンへの変換

以下の正規表現をDFAに変換せよ。

(1)     (a*|b*)c

(2)     (a|b)*c

(3)      (a*|b*)c(a|b)*c

(4)      ((a*|b*)c)|((a|b)*c)