Veritas_des_Liberty

2020年6月24日

摘要： A reversible prime in any number system is a prime whose "reverse" in that number system is also a prime. For example in the decimal system 73 is a re 阅读全文

posted @ 2020-06-24 17:56 Veritas_des_Liberty 阅读(201) 评论(0) 推荐(0)

1016 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 @ 2020-06-24 17:30 Veritas_des_Liberty 阅读(190) 评论(0) 推荐(0)

1017 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 @ 2020-06-24 15:22 Veritas_des_Liberty 阅读(196) 评论(0) 推荐(0)

2020年6月23日

1018 Public Bike Management

摘要： There is a public bike service in Hangzhou City which provides great convenience to the tourists from all over the world. One may rent a bike at any s 阅读全文

posted @ 2020-06-23 16:09 Veritas_des_Liberty 阅读(242) 评论(0) 推荐(0)

2020年6月22日

1019 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 @ 2020-06-22 18:00 Veritas_des_Liberty 阅读(195) 评论(0) 推荐(0)

1020 Tree Traversals

摘要： Suppose that all the keys in a binary tree are distinct positive integers. Given the postorder and inorder traversal sequences, you are supposed to ou 阅读全文

posted @ 2020-06-22 17:09 Veritas_des_Liberty 阅读(179) 评论(0) 推荐(0)

2020年6月21日

1021 Deepest Root

摘要： A graph which is connected and acyclic can be considered a tree. The height of the tree depends on the selected root. Now you are supposed to find the 阅读全文

posted @ 2020-06-21 21:22 Veritas_des_Liberty 阅读(235) 评论(0) 推荐(0)

2020年6月19日

1022 Digital Library

摘要： A Digital Library contains millions of books, stored according to their titles, authors, key words of their abstracts, publishers, and published years 阅读全文

posted @ 2020-06-19 15:37 Veritas_des_Liberty 阅读(277) 评论(0) 推荐(0)

1023 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 @ 2020-06-19 14:29 Veritas_des_Liberty 阅读(238) 评论(0) 推荐(0)

2020年6月18日

1024 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 @ 2020-06-18 16:22 Veritas_des_Liberty 阅读(182) 评论(0) 推荐(0)

Veritas des Liberty

公告