2016年1月30日
1014. Waiting in Line (30)
摘要： Suppose a bank has N windows open for service. There is a yellow line in front of the windows which devides the waiting area into two parts. The rules 阅读全文
posted @ 2016-01-30 18:59 小爷 阅读(307) 评论(0) 推荐(0)