林東雨 - 博客园

2019年9月

PAT 2019-3 7-1 Sexy Primes

摘要： Description: Sexy primes are pairs of primes of the form (p, p+6), so-named since "sex" is the Latin word for "six". (Quoted from http://mathworld.wol 阅读全文

posted @ 2019-09-01 19:57 林東雨阅读(1191) 评论(0) 推荐(0) 编辑

PAT 2019-3 7-2 Anniversary

摘要： Description: Zhejiang University is about to celebrate her 122th anniversary in 2019. To prepare for the celebration, the alumni association （校友会） has 阅读全文

posted @ 2019-09-01 19:52 林東雨阅读(220) 评论(0) 推荐(0) 编辑

PAT 2019-3 7-3 Telefraud Detection

摘要： Description: Telefraud（电信诈骗） remains a common and persistent problem in our society. In some cases, unsuspecting victims lose their entire life saving 阅读全文

posted @ 2019-09-01 19:49 林東雨阅读(599) 评论(0) 推荐(0) 编辑

PAT 2019-3 7-4 Structure of a Binary Tree

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

posted @ 2019-09-01 19:41 林東雨阅读(416) 评论(0) 推荐(0) 编辑

2019年8月

PAT_A1071#Speech Patterns

摘要： Source: PAT A1071 Speech Patterns (25 分) Description: People often have a preference among synonyms of the same word. For example, some may prefer "th 阅读全文

posted @ 2019-08-30 16:07 林東雨阅读(164) 评论(0) 推荐(0) 编辑

PAT_A1069#The Black Hole of Numbers

摘要： Source: PAT A1069 The Black Hole of Numbers (20 分) Description: For any 4-digit integer except the ones with all the digits being the same, if we sort 阅读全文

posted @ 2019-08-30 15:04 林東雨阅读(1325) 评论(0) 推荐(0) 编辑

PAT_A1074#Reversing Linked List

摘要： Source: PAT A1074 Reversing Linked List (25 分) Description: Given a constant K and a singly linked list L, you are supposed to reverse the links of ev 阅读全文

posted @ 2019-08-29 20:07 林東雨阅读(184) 评论(0) 推荐(0) 编辑

PAT_A1073#Scientific Notation

摘要： Source: PAT A1073 Scientific Notation (20 分) Description: Scientific notation is the way that scientists easily handle very large numbers or very smal 阅读全文

posted @ 2019-08-29 19:50 林東雨阅读(148) 评论(0) 推荐(0) 编辑

PAT_A1077#Kuchiguse

摘要： Source: PAT A1077 Kuchiguse (20 分) Description: The Japanese language is notorious for its sentence ending particles. Personal preference of such part 阅读全文

posted @ 2019-08-28 14:39 林東雨阅读(134) 评论(0) 推荐(0) 编辑

PAT_A1085#Perfect Sequence

摘要： Source: PAT A1085 Perfect Sequence (25 分) Description: Given a sequence of positive integers and another positive integer p. The sequence is said to b 阅读全文

posted @ 2019-08-27 17:01 林東雨阅读(154) 评论(0) 推荐(0) 编辑

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