Youth Software Programming (C Language) Level Exam Paper (Level 1) Score:100 Number of Questions:5 1. Programming Questions(Total5 questions, each worth20 points, totaling100 points) 1.Input and Output of Numbers Input and Output of Numbers Input an integer and a double-precision floating-point number, first output the floating-point number rounded to2 decimal places, then output the integer. Time … Read more
Selection Sort Algorithm PrincipleThe selection sort algorithm in C language is one of its basic algorithms. The principle of sorting is to traverse through nested loops, marking the index position of the current element and the minimum or maximum (satisfying specific conditions) element in the subsequent elements, and swapping the values at the index positions.This … Read more
📌 Problem Description Please enter an integer x and determine whether it is a palindrome (i.e., it reads the same forwards and backwards). Requirements： Do not use string conversion Handle negative numbers (e.g., -121 is not a palindrome) Advanced: Avoid reversing the entire number to optimize time complexity Example: Input: 121 → Output: is a … Read more
Click 👆👆👆 the blue text Follow “Passion Embedded” <span>#pragma</span> is a preprocessor directive in C/C++ used to pass specific compilation instructions or commands to the compiler. Due to the syntax and functionality of <span>#pragma</span> being highly dependent on the compiler implementation, its behavior may vary significantly across different compilers. 1. Basic Concepts and Syntax Purpose: … Read more
Task: Draw a sine wave, a logarithmic spiral, and an arithmetic spiral.First, draw the mathematical two-dimensional coordinate axes and mark the scales accordingly on the axes.Then, draw a sine wave in red, a logarithmic spiral in green, and an arithmetic spiral in blue.EffectSource Code #define _CRT_SECURE_NO_WARNINGS#include <graphics.h>#include <math.h>#include <stdio.h>#include <conio.h>#define PI 3.1415926535 int main() { … Read more
Introduction In High-Performance Computing (HPC), template metaprogramming or macros are often seen, where functions are called through template parameters or macro parameters. The most notable examples are CUTLASS (which uses templates almost exclusively) and OpenBLAS (which uses macros in many places). In fact, both macros and templates are metaprogramming techniques that occur before the actual … Read more
The logical operators and ternary operator (conditional operator) in C language are very common and fundamental operators, used for boolean logic operations and simplifying conditional expressions. By using these operators appropriately, the code can be made more concise and clear. This article will focus on logical operators, the ternary operator, and bitwise logic operations. 1. … Read more
The account login system is essential in many system designs. Today, this login system has comprehensive features, including registration, login, password recovery, password modification, and password masking with * during input. It also has a complete login selection interface. Without further ado, let's get to the code! Directory: 1. Header Files & Structs & Basic … Read more
Implementing Linked Lists in C: Creation, Traversal, and Operations of Singly Linked Lists In data structures, a linked list is a very important linear data structure. Unlike arrays, the elements in a linked list do not need to be stored in contiguous memory locations; instead, they are connected through pointers. This article will detail how … Read more
Code Style in C Language: The Importance of Uniformity In programming, the readability and maintainability of code are extremely important. Especially in a relatively low-level programming language like C, a good code style not only improves team collaboration efficiency but also reduces the likelihood of errors. This article will detail the code style in C … Read more