摘要: 题目链接:Codeforces Round #298 (Div. 2)A. ExamAn exam fornstudents will take place in a long and narrow room, so the students will sit in a line in some o... 阅读全文
posted @ 2015-04-13 09:09 huangxf 阅读(430) 评论(0) 推荐(0) 编辑