2017年2月27日
D. The Door Problem
摘要： Moriarty has trapped n people in n distinct rooms in a hotel. Some rooms are locked, others are unlocked. But, there is a condition that the people in 阅读全文
posted @ 2017-02-27 21:29 Heilce 阅读(356) 评论(0) 推荐(0) 编辑