2021年1月24日
PAT Advanced 1010 Radix
摘要： 题目 1010 Radix (25分) 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 阅读全文
posted @ 2021-01-24 16:54 tanknee 阅读(51) 评论(0) 推荐(0)
PAT Advanced 1009 Product of Polynomials
摘要： 题目 1009 Product of Polynomials (25分) This time, you are supposed to find A×B where A and B are two polynomials. Input Specification: Each input file c 阅读全文
posted @ 2021-01-24 14:24 tanknee 阅读(59) 评论(0) 推荐(0)
PAT Advanced 1008 Elevator
摘要： 题目 1008 Elevator (20分) The highest building in our city has only one elevator. A request list is made up with N positive numbers. The numbers denote a 阅读全文
posted @ 2021-01-24 13:58 tanknee 阅读(51) 评论(0) 推荐(0)
2021年1月23日
PAT Advanced 1007 Maximum Subsequence Sum
摘要： 题目 1007 Maximum Subsequence Sum (25分) Given a sequence of K integers { N1, N2, ..., N**K }. A continuous subsequence is defined to be { N**i, N**i+1, 阅读全文
posted @ 2021-01-23 21:03 tanknee 阅读(67) 评论(0) 推荐(0)
PAT Advanced 1006 Sign In and Sign Out
摘要： 题目与翻译 1006 Sign In and Sign Out 登录和退出 (25分) At the beginning of every day, the first person who signs in the computer room will unlock the door, and t 阅读全文
posted @ 2021-01-23 15:08 tanknee 阅读(119) 评论(0) 推荐(0)
PAT Advanced 1005 Spell It Right
摘要： 题目与翻译 1005 Spell It Right 拼写正确 (20分) Given a non-negative integer N, your task is to compute the sum of all the digits of N, and output every digit of 阅读全文
posted @ 2021-01-23 13:17 tanknee 阅读(95) 评论(0) 推荐(0)
PAT Advanced 1004 Counting Leaves
摘要： 题目与翻译 1004 Counting Leaves 数树叶 (30分) A family hierarchy is usually presented by a pedigree tree. Your job is to count those family members who have no 阅读全文
posted @ 2021-01-23 12:56 tanknee 阅读(175) 评论(0) 推荐(0)
2021年1月21日
PAT Advanced 1003 Emergency 详解
摘要： 题目与翻译 1003 Emergency 紧急情况 (25分) As an emergency rescue team leader of a city, you are given a special map of your country. The map shows several scatt 阅读全文
posted @ 2021-01-21 11:03 tanknee 阅读(344) 评论(0) 推荐(0)
2021年1月15日
前端面试：Http协议与浏览器
摘要： Http与Https的区别 Http是明文传输的，Https协议是在Http协议上添加了SSL的加密协议，可以进行加密传输和身份验证。 其实就是说Http对网络传输完全是裸奔状态，也就没办法防范中间人攻击，因为根本没有加解密措施。不过Https相比Http也只是添加了SSL加密层，所以它仍然是一种特 阅读全文
posted @ 2021-01-15 21:44 tanknee 阅读(888) 评论(0) 推荐(1)
使用OpenCV进行简单的人像分割与合成
摘要： 图像合成 实现思路 通过背景建模的方法，对源图像中的动态人物前景进行分割，再将目标图像作为背景，进行合成操作，获得一个可用的合成影像。 实现步骤如下。 使用BackgroundSubtractorMOG2进行背景分割 BackgroundSubtractorMOG2是一个以高斯混合模型为基础的背景前 阅读全文
posted @ 2021-01-15 13:44 tanknee 阅读(3247) 评论(2) 推荐(0)