Programmer Group

1490E. Accidental Victory (dichotomy) Topic: A total of n people participated in the competition, each with a strong value. Pick two PKS at random each time, and the winner gets the strength of the other. If the strength values are the same, win randomly. Question: Who has the chance to win in the end? Ideas: That is to say, who must lose. ...

Once you have learned the predictions for masks with ROI (introductory tutorial) and group mask s (anova-SVM), you can start to see my personal understanding below. First, review the previous: For the basis of machine learning: machine learning, to put it plainly, is to use models to fit X and Y. As medical students, there is no need to under ...

To be honest, the concept of artificial intelligence is somewhat too large, including in-depth learning, machine learning, intensive learning and so on, while in-depth learning includes image recognition, speech recognition, natural language processing, prediction analysis; Machine learning includes supervised learning, unsupervised learning an ...

preface Hello, I'm long Lu. I'm just a junior now. I'm working on the back end and occasionally on the front end. Now the main language is Java. For a long time before, I was learning some technologies of web development. I haven't studied and brushed questions like data structures and algorithms for a long time. I plan to pick them up and ...

Effect display [Unity uses UGUI to realize the king glory UI interface (II)] load page - mute button and page improvement Click the button to close the game sound effect through the Toggle component, and the Image component improves the loading page 1. Open project Open our Unity Hub, find the king glory UI interface project you crea ...

preface I personally think java multithreading is the most difficult part of javaSe. I have learned it before, but I don't know how to start with the real needs of multithreading. In fact, I don't have a deep understanding of multithreading, the application scenario of multithreading api, the running process of multithreading, etc, This articl ...

Causes of multithreading security problems Data shared by multiple threads There are multiple threads operating on shared data When one thread operates the shared data, other threads participate in the operation, which will lead to thread safety problems Resolve thread safety issues Locking mechanism Idea: encapsulate the shared data. When a ...

Problem Description: The NVIDIA driver is installed in ubuntu 18.04 system. NVIDIA SMI can output GPU graphics card information, but after sudo reboot, the screen is black and cannot enter the graphical interface, so it cannot be turned on. After entering the tty interface and deleting the NVIDIA driver, you can successfully enter the ubuntu sy ...

1.Lambda 1.1 general Lambda expression is a function without a name, also known as closure. It is the most important new feature released by Java 8. It is essentially an anonymous inner class or a piece of code that can be passed. And the arrow function 1.2 why use Lambda expressions Lambda expression is a shorthand for an anonymous inner ...

Chapter one: introduction to microcomputer system 1. Which generations are computers divided into according to the different logic elements they use? Which - generation of computers is Microcomputer? Answer: electronic tube computer, transistor computer, integrated circuit computer and large-scale and super large-scale integrated circu ...