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摘要: 不要62 Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 58665 Accepted Submission(s): 23095 Problem 阅读全文
posted @ 2018-10-06 16:30 acboyty 阅读(120) 评论(0) 推荐(0) 编辑
摘要: We give the following inductive definition of a “regular brackets” sequence: the empty sequence is a regular brackets sequence, if s is a regular brac 阅读全文
posted @ 2018-10-06 16:17 acboyty 阅读(141) 评论(0) 推荐(0) 编辑