2021年8月26日
1014 Waiting in Line (30 分)
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 @ 2021-08-26 20:45 白玉神驹 阅读(71) 评论(0) 推荐(0)