2022年6月11日
Codeforces Round #798 (Div. 2)A~C
摘要： A.Lex String Kuznecov likes art, poetry, and music. And strings consisting of lowercase English letters. Recently, Kuznecov has found two strings, aa  阅读全文
posted @ 2022-06-11 23:23 cbmango 阅读(116) 评论(0) 推荐(0)