摘要: http://codeforces.com/contest/242/problem/EE. XOR on Segmenttime limit per test4 secondsmemory limit per test256 megabytesinputstandard inputoutputsta... 阅读全文
posted @ 2014-10-12 11:55 rewrite 阅读(283) 评论(0) 推荐(0)