摘要: = =自觉太颓,模拟赛 #432 Codeforces Round #432 (Div. 2, based on IndiaHacks Final Round 2017) A - Arpa and a research in Mexican wave: 这个就真的太... 有点像火车过隧道,随手一个 阅读全文
posted @ 2017-09-29 16:06 μSsia 阅读(178) 评论(0) 推荐(0) 编辑