2017年10月25日
[Codeforces 606C]Sorting Railway Cars
摘要： Description An infinitely long railway has a train consisting of n cars, numbered from 1 to n (the numbers of all the cars are distinct) and positione 阅读全文
posted @ 2017-10-25 20:11 NaVi_Awson 阅读(323) 评论(0) 推荐(0) 编辑