摘要: 1016 Phone Bills (25分) A long-distance telephone company charges its customers by the following rules: Making a long-distance call... 阅读全文
posted @ 2020-02-28 21:02 Hu_YaYa 阅读(12) 评论(0) 推荐(0)
摘要: 1014 Waiting in Line (30分) Suppose a bank has N windows open for service. There is a yellow line in front of the windows which dev... 阅读全文
posted @ 2020-02-28 11:38 Hu_YaYa 阅读(37) 评论(0) 推荐(0)