A algorithm to solve eight digital problems (C + + implementation)

[experimental principle] 1. Eight digital problems Judging whether there is a solution or not: directly judge whether there is a solution according to the reverse order number. For an eight digit number, after the sequence is arranged, each time the empty bit and the adjacent bit are exchanged. After ...

Posted by missy3434 on Sun, 16 Feb 2020 06:42:12 +0100

[notes on questions] P1042 table tennis

Pit 1: there are several lines of input, but the information should be treated as a whole. For example, the score of the last game in the first row is 2:1, which is not the end of the match. This score should be inherited to the information in the second row for further processing. Pit 2: the end of a game, if and only if one of the scores is g ...

Posted by zeddeh on Fri, 14 Feb 2020 18:00:56 +0100

python crawler - requests+xpath crawling 8684 bus query website

1, Analysis website url = 'http://xian.8684.cn/' 1. Route xpath of the second layer: # Find all links starting with a number number_href_list = tree.xpath('//div[@class="list"][1]/a/@href') # Find all links that start with a letter char_href_list = tree.xpath('//div[@class="list"][2 ...

Posted by renojim on Thu, 13 Feb 2020 20:39:33 +0100

2020 latest version of idea activation tutorial

windows cracking tutorial First, download the jar package: (the cloud disk link can't be sent, you pay attention to gzh "grey wolf learn java" and reply to idea to get it) put it in the appropriate folder (the same level directory of idea is preferred) for management; Enter Disk C - > User - > user name - > intellijidea2019. ...

Posted by Jude on Thu, 13 Feb 2020 15:08:40 +0100

python draws 2091 ncov epidemic map

python draws 2091 ncov epidemic map Preparation Complete code Code interpretation In the first two phases, we have done the work of obtaining real-time tracking data of epidemic situation and building logistic model with confirmed data python obtains real-time tracking data of 2019-nCoV epidemic E ...

Posted by phpdolan on Mon, 10 Feb 2020 11:35:54 +0100

Hero skin poster (with source code) for python crawling the Royal Glory website

King Glory This game has a lot of heroes. Every hero has his own skin. On the official website of King Glory, every hero's skin has its own high definition poster. This article will show you how to download these skin posters using the python crawler method. Crawler Path Exploration First, let's look ...

Posted by jlambert on Sat, 08 Feb 2020 06:38:35 +0100

Python crawler tutorial - Crawler 5K resolution ultra clear beautiful wallpaper source code

brief introduction In fact, the choice of wallpaper can largely see the inner world of the computer owner. Some people like the scenery, some people like the starry sky, some people like beautiful women, some people like animals. However, one day you will have aesthetic fatigue, but when you decide ...

Posted by delmardata on Fri, 07 Feb 2020 15:40:21 +0100

Spring annotation driven development learning

Learning route 1. container spring believes that all components should be placed in the container and used through the automatic assembly of the containerWhen developing based on annotations, the configuration class is the same as the previous configuration file @Configuration indicates that this is ...

Posted by EOS on Fri, 07 Feb 2020 14:28:21 +0100

Ajax crawls to the top of today's street shooting improvement -- various minefield solutions including data:none problem

Ajax crawls to the top of today's street shooting improvement -- various minefield solutions including data:none problem This BUG is self-taught crawler to prepare for big data. Due to the progress of the times, all websites have strengthened anti climbing measures, and the teaching of books in the le ...

Posted by kaoskorruption on Fri, 07 Feb 2020 10:19:03 +0100

Using and mastering the basic knowledge of urllib Library of python crawler

Four modules of urlib urrlib.request urrlib.error urrlib.parse urrlib.robotparser Get page source code import urllib.request response=urllib.request.urlopen("http://www.baidu.com") print(response.read().decode('utf-8')) #Get Baidu's source code post request import urllib.parse import urllib.reque ...

Posted by lily on Tue, 04 Feb 2020 14:14:01 +0100