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 week, my mom suddenly asked me, “Son, do you remember tomorrow is your aunt’s birthday?” I slapped my forehead and completely forgot about it! My aunt lives in another city, and we don’t keep in touch often, but every year on her birthday, she sends me red envelopes. I can’t afford to be rude … Read more
Sometimes, writing code doesn’t always have to be about complex data analysis or websites.You can also use Python to draw! Isn’t that a bit cool? Today, let’s use Python to draw a few simple and beautiful graphics. Although they look like works of art, they actually only require a few lines of code. We’ll talk … Read more
Storage classes are used to define the lifetime and visibility of variables and/or functions in a C++ program. The lifetime refers to the duration during which a variable remains active, and visibility refers to the modules in the program that can access the variable. In C++ programs, there are five types of storage classes that … Read more
Like other programming languages, in C++, an array is a collection of similar types of elements with contiguous memory locations. In C++, std::array is a container that encapsulates fixed-size arrays. In C++, array indexing starts at 0. We can only store a fixed number of elements in a C++ array. In C/C++ programming languages or … Read more
So far, we have learned about the two types of variables supported by C++: Ordinary variables are variables that hold values of a certain type. For example, creating an integer variable means that the variable can hold integer values. Pointers are variables that store the address of another variable. You can retrieve the value pointed … Read more
MATLAB is an essential and convenient tool in scientific and engineering research, and it is a skill that many graduate students must master before entering school. This article will help you quickly get started with MATLAB through three main sections. Basic Knowledge of MATLAB 1-1. Basic Operations and Functions To perform basic mathematical operations in … Read more
This article mainly introduces the most basic and core concepts of MATLAB and the most useful software interface operations. If you are just starting to learn, you can fully understand this article. If you have any suggestions, you can leave a message to the editor in the background. The screenshots in this article are from … Read more
In older cars, the number of control modules was minimal, with each module handling a specific function. If there was an issue with the ignition control module, whether hardware or software, the ignition control module would be replaced. As car models and features increased, the design of a single control module for a single function … Read more
Pine from Aofeisi Quantum Bit | WeChat Official Account QbitAI How to learn Rust? An article on Hacker News has gone viral. Unlike similar crash courses available online, this one points out a path to learning Rust through personal experiences. After the tutorial was published, users on Hacker News also shared their learning experiences. Finding … Read more