bbflyerwww的专栏

 http://acm.tongji.edu.cn/showproblem.php?problem_id=1271/** *  *  括号序列 *  定义如下规则序列(字符串):  *  1 空序列是规则序列;  *  2 如果S是规则序列,那(S)和[S]也是规则序列; *  3 如果A和B都是规则序列,那么AB也是规则序列. *  例如,下面的字符串都是规则序列:  *  (), [], ((

http://acm.pku.edu.cn/JudgeOnline/problem?id=1606/** *  * *                            Jugs *   In the movie "Die Hard 3", Bruce Willis and Samuel L. Jackson were  * confronted with the following puzz