Programmer Group

https://vjudge.net/contest/311526#problem/G General idea: given n(50) attributes, each attribute has a[i](500) level, a n d there are M(2000) courses. To participate in j course, c attribute should reach D. In this way, you can upgrade your e attribute to f, and spend g yuan at the same time. Ask h ...

Now let's talk about the request method in the project - axios Insert (from netizen): storage token suggests state+localStorageBecause state is a single page, you don't need to log in to open the second web page for the same browser, so you need to use cookies or localstorage. Why not use cookies: 1 ...

Preface: The Flutter project needs to realize the function of "pull-up refresh and page loading". The page can divide a large amount of data into small segments and load them in batches. This can effectively avoid the problem that the client slows down due to loading all the data at one time. Here I use the EasyRefresh third-party pl ...

In daily operation and maintenance, we may receive the equipment handed over by others, but for many reasons, the previous people did not record the relevant server serial number, unset out of band address and user password of out of band management, etc., and the server cannot be shut down for maintenance. Is there any way to obtain relevant ...

Configuration of Aurora push environment for Android Register APP KEY Android Studio configuration Register APP KEY First of all, we register for the account on the official website of Aurora push to enter the developer service. Click to create app The second step: Define the name of the applica ...

Preface JAVA CAS single sign on one: build CAS server JAVA CAS single sign on II: CAS common mode 1 drill The agent mode is more complex than the normal mode in the previous section. But the configuration will be slightly different. The so-called difficult will not, will not be difficult. If you encounter a problem that you have never met be ...

  SpeechRecognizer is located in the android.speech package of the source code (API 29--Android 9.0). Here is a simple call to Demo about the native class. So that you are not familiar with the feasibility of this kind of rapid verification technology. Tips: 1.SpeechRecognizer will connect to the s ...

1. Problem description Input two monotonically increasing linked lists, and output two synthesized linked lists. Of course, we need the synthesized linked lists to meet the monotone rule. 2. way of thinking Method 1: non recursive method According to the problem, which is very similar to the sorting out process, two arrays are sorted separatel ...

Time of publication: October 20, 2019 Content overview This article will give the methods of getting operators on Android, the differences of several similar methods, and the effective ways of getting operators in the case of multiple cards. Finally, a method that does not need to request the device identification code to obtain the operator in ...

Take the bead as the point, if the condition is satisfied, two sides are connected. So you can find the maximum number of nodes that can be covered by n paths. As we all know, minimum edge coverage = total number of points - Maximum Matching Not here Link So split the points and run the bipartite chart. It'S about S to x. The k-direction x 'con ...