2020年7月30日
P3419 [POI2005]SAM-Toy Cars[贪心好题]
摘要： 题目描述 Johnny is a little boy - he is only three years old and enjoys playing with toy cars very much. Johnny has nnn different cars. They are kept on a 阅读全文
posted @ 2020-07-30 16:25 Vocanda 阅读(154) 评论(1) 推荐(0) 编辑