2017年7月13日
Codeforces Round #423 (Div. 2, rated, based on VK Cup Finals) Problem E (Codeforces 828E) - 分块
摘要： Everyone knows that DNA strands consist of nucleotides. There are four types of nucleotides: "A", "T", "G", "C". A DNA strand is a sequence of nucleot 阅读全文
posted @ 2017-07-13 09:30 阿波罗2003 阅读(327) 评论(0) 推荐(0) 编辑