2019年7月17日
PAT甲级——A1023 Have Fun with Numbers
摘要： Notice that the number 123456789 is a 9-digit number consisting exactly the numbers from 1 to 9, with no duplication. Double it we will obtain 2469135 阅读全文
posted @ 2019-07-17 23:32 自由之翼Az 阅读(165) 评论(0) 推荐(0)
PAT甲级——A1019 General Palindromic Number
摘要： A number that will be the same when it is written forwards or backwards is known as a Palindromic Number. For example, 1234321 is a palindromic number 阅读全文
posted @ 2019-07-17 22:58 自由之翼Az 阅读(166) 评论(0) 推荐(0)
PAT甲级——A1017 Queueing at Bank
摘要： Suppose a bank has K windows open for service. There is a yellow line in front of the windows which devides the waiting area into two parts. All the c 阅读全文
posted @ 2019-07-17 22:18 自由之翼Az 阅读(202) 评论(0) 推荐(0)
PAT甲级——A1016 Phone Bills
摘要： A long-distance telephone company charges its customers by the following rules: Making a long-distance call costs a certain amount per minute, dependi 阅读全文
posted @ 2019-07-17 00:01 自由之翼Az 阅读(283) 评论(0) 推荐(0)