Programmer Think

HOOK The English word Hook, translated into Chinese, means "Hook" and "fish Hook", which generally refers to all tools used to catch what you need. The basic meaning of "Hook" extends to "the means or tools used to peek or intercept information". Here are some examples to further illustrate the concept o ...

Structure: it is a user-defined data type and allows users to store different data types Syntax: struct structure name {structure member list};   There are three ways to create variables through structures: 1. struct structure name variable name 2. struct structure name variable name = {member 1 value, member 2 value};   3. Creat ...

Article 41: understanding implicit interfaces and compile time polymorphism Understand implicit interfaces and compile-time polymorphism. Explicit interface and runtime polymorphism In object-oriented programming, explicit interface and runtime polymorphism are used to solve problems. For example: class Widget { public: /* Explicit interfa ...

Priority queue poj3614 Meaning: a group of cows bask in the sun. Each cow has a limit of solar intensity, minSPA and maxSPA, but the sun is too fierce. Cows need to apply sunscreen to bask in the sun. Sunscreen can fix the solar intensity at a value. If it is smaller than minSPA, it will still burn. If it is larger than maxSPA, cows will not ...

Euler function Solving Euler function by formula method Basic principle: O(n √ ai)     Example: Euler function given   n positive integers   ai, please find the Euler function of each number. Definition of Euler function 1 ∼ N and   N   The number of Coprime numbers is called the Euler function a ...

Usually, new is responsible for finding a memory block that can meet the requirements in the heap. There is another variant of the new operator, called the placement new operator, which allows you to specify the location to use. Programmers can use this feature to set their memory management procedures, deal with hardware that needs to be acces ...

1, Principle analysis 1. Thread dependency This article explains that in multithreaded functions, there are dependencies between threads and shared data. Thread ABCD. A notifies B after completion, B notifies C after completion, C notifies d after completion, and a after completion. This cycle continues. A—>B—>C—& ...

1 thread creation and end Four header files are introduced into the new C++11 standard to support multi-threaded programming. They are < atomic >, < thread >, < mutex >, < condition >, respectively_ Variable > and < future >. < atomic >: this header mainly declares two classes, std::atomic and std::atomi ...

● 🧑 Personal homepage: You're handsome. You say it first ● 📃 Welcome to praise 👍 follow 💡 Collection 💖 ● 📖 Having chosen the distance, he only cares about the wind and rain. ● 🤟 If you have any questions, please feel free to write to me! ● 🧐 Copyright: This article is original by [you Shuai, you say first.] and launched by CSDN. Infring ...

⌛ The origin of Joseph's problem: [finally, we will test it to see if it is correct]   it is said that Joseph, a famous Jewish historian, once had the following story: after the Romans occupied jotapat, 39 Jews hid in a cave with Joseph and his friends. 39 Jews decided that they would rather die than be caught by the enemy, so they dec ...