Solving the Two Sum Problem in C++

To solve the “Two Sum” problem in C++, there are mainly two mainstream methods: brute force enumeration and hash table. Below, I will explain the implementation of these two methods in detail and provide code examples. Here is a comparison table of the two solutions to help you quickly understand their characteristics: | Method | … Read more

Analysis of GESP C++ Level 4 Exam Questions – Strategic Deployment (luogu-B4415)

GESP C++ Level 4 exam questions from September 2025, focusing on two-dimensional arrays, difficulty ⭐⭐★☆☆. GESP Level 1 Practice Questions List GESP Level 1 Exam Questions List GESP Level 2 Practice Questions List GESP Level 2 Exam Questions List GESP Level 3 Practice Questions List GESP Level 3 Exam Questions List GESP Level 4 Practice … Read more

GESP C++ Level 4 Real Exam Questions (2D Arrays) [202409] Black and White Squares (luogu-B4040)

GESP C++ Level 4 Real Exam Questions (2D Arrays) [202409] Black and White Squares (luogu-B4040)

GESP C++ Level 4 real exam questions for September 2024. This problem mainly tests the application of 2D arrays. The brute force difficulty is not high, overall difficulty ⭐⭐★☆☆. This problem is rated as <span>Popular-</span> on Luogu. GESP Level 1 Practice Questions List GESP Level 1 Real Exam Questions List GESP Level 2 Practice Questions … Read more

Free Download and Installation Guide for MathWorks MATLAB 2022b

Free Download and Installation Guide for MathWorks MATLAB 2022b

Software Introduction Matlab (Matrix Laboratory) is a well-known scientific computing software, and it also refers to the programming language used in this software. Today, I mainly recommend MathWorks MATLAB 2022b. If you need other versions, you can search in the public account; there are detailed installation tutorials available for most of them. MathWorks MATLAB 2022b … Read more

Detailed Steps to Crack VMProtect Shell (Beginner Level)

Detailed Steps to Crack VMProtect Shell (Beginner Level)

One Principle 1.1 VMProtect Software Company VMProtect Software Company was founded in 2000 and is headquartered in Yekaterinburg, Russia. The company’s software protection software, VMProtect (currently updated to version 3.x, hereinafter referred to as VMP), can be considered the holy grail in the field of software cracking. Over the years, countless reverse engineers have tried … Read more

Decrypting Encryption Algorithms: A Guide

Decrypting Encryption Algorithms: A Guide

(Legal Education) ⚠️ Decrypting encryption algorithms is illegal unless done in a legally authorized environment for research and educational purposes ⚠️ Understanding Encryption Algorithms – Conduct an in-depth study of the target encryption algorithm’s workings, mathematical foundations, and encryption processes. Collecting Encrypted Data – Obtain a large sample of data encrypted using the specified encryption … Read more