coderJ_ONE

2021年3月11日

PAT 2020年冬季 7-3 File Path (25 分)

摘要： The figure shows the tree view of directories in Windows File Explorer. When a file is selected, there is a file path shown in the above navigation ba 阅读全文

posted @ 2021-03-11 18:26 coderJ_ONE 阅读(146) 评论(0) 推荐(0)

PAT 2020年冬季 7-2 Subsequence in Substring (25 分)

摘要： A substring is a continuous part of a string. A subsequence is the part of a string that might be continuous or not but the order of the elements is m 阅读全文

posted @ 2021-03-11 18:21 coderJ_ONE 阅读(155) 评论(0) 推荐(0)

PAT 2020年冬季 7-1 The Closest Fibonacci Number (20 分)

摘要： The Fibonacci sequence Fn is defined by Fn+2=Fn+1+Fn for n≥0, with F0=0 and F1=1. The closest Fibonacci number is defined as the Fib 阅读全文

posted @ 2021-03-11 18:19 coderJ_ONE 阅读(146) 评论(0) 推荐(0)

2021年3月10日

PAT 2020年秋季 7-4 Professional Ability Test (30 分)

摘要： Professional Ability Test (PAT) consists of several series of subject tests. Each test is divided into several levels. Level A is a prerequisite (前置要求阅读全文

posted @ 2021-03-10 22:09 coderJ_ONE 阅读(952) 评论(0) 推荐(0)

PAT 2020年秋季 7-3 Left-View of Binary Tree (25 分)

摘要： The left-view of a binary tree is a list of nodes obtained by looking at the tree from left hand side and from top down. For example, given a tree sho 阅读全文

posted @ 2021-03-10 21:46 coderJ_ONE 阅读(113) 评论(0) 推荐(0)

PAT 2020年秋季 7-2 How Many Ways to Buy a Piece of Land (25 分)

摘要： The land is for sale in CyberCity, and is divided into several pieces. Here it is assumed that each piece of land has exactly two neighboring pieces, 阅读全文

posted @ 2021-03-10 21:43 coderJ_ONE 阅读(77) 评论(0) 推荐(0)

PAT 2020年秋季 7-1 Panda and PP Milk (20 分)

摘要： PP milk （盆盆奶）is Pandas' favorite. They would line up to enjoy it as show in the picture. On the other hand, they could drink in peace only if they bel 阅读全文

posted @ 2021-03-10 21:39 coderJ_ONE 阅读(162) 评论(0) 推荐(0)

2021年3月9日

PAT 2020年春季 7-4 Replacement Selection (30 分)

摘要： When the input is much too large to fit into memory, we have to do external sorting instead of internal sorting. One of the key steps in external sort 阅读全文

posted @ 2021-03-09 19:22 coderJ_ONE 阅读(892) 评论(0) 推荐(1)

PAT 2020年春季 7-3 Safari Park (25 分)

摘要： A safari park（野生动物园）has K species of animals, and is divided into N regions. The managers hope to spread the animals to all the regions, but not the s 阅读全文

posted @ 2021-03-09 14:23 coderJ_ONE 阅读(66) 评论(0) 推荐(0)

PAT 2020年春季 7-2 The Judger (25 分)

摘要： A game of numbers has the following rules: at the beginning, two distinct positive integers are given by the judge. Then each player in turn must give 阅读全文

posted @ 2021-03-09 13:59 coderJ_ONE 阅读(115) 评论(0) 推荐(0)

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