自由之翼Az - 博客园

2019年7月15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 @ 2019-07-15 22:54 自由之翼Az 阅读(196) 评论(0) 推荐(0) 编辑

PAT甲级——A1014 Waiting in Line

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 @ 2019-07-15 21:55 自由之翼Az 阅读(459) 评论(0) 推荐(0) 编辑

PAT甲级——A1013 Battle Over Cities

摘要： It is vitally important to have all the cities connected by highways in a war. If a city is occupied by the enemy, all the highways from/toward that c 阅读全文

posted @ 2019-07-15 08:52 自由之翼Az 阅读(200) 评论(0) 推荐(0) 编辑

2019年7月13日

左神算法书籍《程序员代码面试指南》——2_04反转单向和双向链表

摘要： Problem: 反转单向和双向链表【题目】分别实现反转单向链表和反转双向链表的函数。【要求】如果链表长度为N，时间复杂度要求为O(N)，额外空间复杂度要求为O(1) Solution: 学会使用指针阅读全文

posted @ 2019-07-13 17:41 自由之翼Az 阅读(257) 评论(0) 推荐(0) 编辑

左神算法书籍《程序员代码面试指南》——2_03删除链表的中间节点和a/b处的节点

摘要：【题目】给定链表的头节点head，实现删除链表的中间节点的函数。例如：不删除任何节点；1->2，删除节点1；1->2->3，删除节点2；1->2->3->4，删除节点2；1->2->3->4->5，删除节点3；进阶：给定链表的头节点head、整数a和b，实现删除位于a / b处节点的函数。例如：链表阅读全文

posted @ 2019-07-13 17:32 自由之翼Az 阅读(246) 评论(0) 推荐(0) 编辑

PAT甲级——A1012 The Best Rank

摘要： To evaluate the performance of our first year CS majored students, we consider their grades of three courses only: C - C Programming Language, M - Mat 阅读全文

posted @ 2019-07-13 09:14 自由之翼Az 阅读(347) 评论(0) 推荐(0) 编辑

2019年7月12日

PAT甲级——A1011 World Cup Betting

摘要： With the 2010 FIFA World Cup running, football fans the world over were becoming increasingly excited as the best players from the best teams doing ba 阅读全文

posted @ 2019-07-12 21:55 自由之翼Az 阅读(138) 评论(0) 推荐(0) 编辑

PAT甲级——A1010 Radix

摘要： Given a pair of positive integers, for example, 6 and 110, can this equation 6 = 110 be true? The answer is yes, if 6 is a decimal number and 110 is a 阅读全文

posted @ 2019-07-12 21:24 自由之翼Az 阅读(231) 评论(0) 推荐(0) 编辑

2019年7月11日

PAT甲级——A1009 Product of Polynomials

摘要： This time, you are supposed to find A×B where A and B are two polynomials. Input Specification: Each input file contains one test case. Each case occu 阅读全文

posted @ 2019-07-11 23:07 自由之翼Az 阅读(199) 评论(0) 推荐(0) 编辑

PAT甲级——A1008 Elevator

摘要： The highest building in our city has only one elevator. A request list is made up with N positive numbers. The numbers denote at which floors the elev 阅读全文

posted @ 2019-07-11 22:03 自由之翼Az 阅读(175) 评论(0) 推荐(0) 编辑

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