摘要: 题目链接: http://acm.hust.edu.cn/vjudge/contest/view.action?cid=68966#problem/L Description A subsequence of a given sequence is the given sequence with s 阅读全文
posted @ 2016-04-30 14:20 「空白」物语 阅读(147) 评论(0) 推荐(0) 编辑