Live2d Test Env
摘要: All bus tickets in Berland have their numbers. A number consists of n digits (n is even). Only k decimal digits d1,d2,…,dk can be used to form ticket 阅读全文
posted @ 2018-12-29 10:58 nimphy 阅读(749) 评论(0) 推荐(0) 编辑
摘要: Vasya is preparing a contest, and now he has written a statement for an easy problem. The statement is a string of length n consisting of lowercase La 阅读全文
posted @ 2018-12-29 10:49 nimphy 阅读(1035) 评论(0) 推荐(0) 编辑