When learning C language, always remember that “the future is bright” and “look back often.” Looking back often is an important method for learning knowledge. It means that after learning new knowledge, do not forget to review and deepen your understanding of previous knowledge. This is often the hardest thing for students to do, yet … Read more
Basic Data Encryption: Simple Encryption Algorithms In today’s digital age, data security has become particularly important. Whether it’s personal information, transaction records, or any form of data, it is essential to protect this information from unauthorized access. This article will introduce some basic data encryption methods and implement these algorithms through code examples. What is … Read more
ClickBlueWord to Follow Us Spring Festival Happy SPRING FESTIVAL Simple encryption algorithms generally include substitution ciphers, transposition ciphers, and simple XOR. The following content consists of two parts: algorithm interpretation and algorithm programming. KAI Caesar SA Shift MI Cipher MA Code Algorithm Details Explanation CAESAR CIPHER The Caesar cipher algorithm is a typical example of … Read more
In this paper, we will briefly discuss the principles and practices of computer encryption algorithms. Friendly reminder: Don’t be scared off by the word “paper”; in fact, understanding a high-level paper is quite simple! Those who frequently surf the internet surely know that the security of computers and mobile phones is extremely important. A long … Read more
Click on the above “Beginner Visual Learning”, choose to add “Star” or “Top” Important content delivered promptly 1. Bubble Sort 2. Method to calculate x to the power of n 3. Calculate a*a + b*b + c*c + … 4. Calculate factorial n! 5. List all files and directories in the current directory 6. Convert … Read more
C++ is a high-performance programming language that plays an important role in low-level development and high-performance computing. However, C++ is also a relatively difficult programming language to master; compared to other languages, it is harder to learn and master. To help more students get started with C++, Deep Blue Academy has compiled this content based … Read more
1、/*Output the 9*9 multiplication table. There are 9 rows and 9 columns, with i controlling the rows and j controlling the columns.*/ #include “stdio.h” main() {int i,j,result; for (i=1;i<10;i++) { for(j=1;j<10;j++) { result=i*j; printf(“%d*%d=%-3d”,i,j,result);/*-3d means left-aligned, occupying 3 spaces*/ } printf(“\n”);/*Line break after each row*/ } } 2、/*Classical problem: There is a pair of rabbits, … Read more
Last night, I tossed and turned in bed again, my mind filled with unfinished study tasks and upcoming exams. Suddenly, an idea flashed through my mind: it would be great to have a thoughtful study assistant to help me organize my time! Wait, I can write Python, can’t I? Why not do it myself and … Read more
[Download materials at the end] Python is a versatile language. It is often used as a scripting language for web applications, embedded in software products, as well as for artificial intelligence and system task management. It is both simple and powerful, making it perfect for beginners and professional programmers alike. We have selected 51 high-quality … Read more
Matlab is a scripting programming language that is widely used in various research fields due to its ease of use and comprehensive library of functions. Today, I will discuss the books and processes that can help a beginner become proficient in Matlab. Before diving into the specifics, I hope everyone understands that Matlab knowledge is … Read more