2017年10月6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 @ 2017-10-06 16:25 gaoren 阅读(272) 评论(0) 推荐(0) 编辑