Petya and Array (权值线段树+逆序对)
摘要:
Petya and Array http://codeforces.com/problemset/problem/1042/D time limit per test 2 seconds memory limit per test 256 megabytes input standard input 阅读全文
posted @ 2018-09-28 17:15 Fighting_sh 阅读(299) 评论(0) 推荐(0) 编辑