2018年7月25日
2018 杭电多校2 - Naive Operations
摘要： 题目链接 Problem Description In a galaxy far, far away, there are two integer sequence a and b of length n. b is a static permutation of 1 to n. Initially 阅读全文
posted @ 2018-07-25 18:41 会打表的toby 阅读(209) 评论(0) 推荐(0) 编辑