摘要: subseq 链接:https://www.nowcoder.com/acm/contest/143/H来源:牛客网 题目描述 Kanade has an array a[1..n] , she define that an array b[1..m] is good if and only if 阅读全文
posted @ 2018-08-03 11:07 MengX 阅读(284) 评论(0) 推荐(0) 编辑

梦想不是空想