2018年8月16日
cf776D Mahmoud and a Dictionary
摘要： Mahmoud wants to write a new dictionary that contains n words and relations between them. There are two types of relations: synonymy (i. e. the two wo 阅读全文
posted @ 2018-08-16 22:13 岩扉 阅读(334) 评论(0) 推荐(0) 编辑