C++ Level 4 Questions Organized by Knowledge Points C++ Basic Applications of Two-Dimensional and Multidimensional Arrays Question 1 Question: Given the array defined as arr, what is the value of *(*(arr + 1) + 2)? cppRun int arr[2][3]={{1,2,3},{4,5,6}}; Options: A. 2 B. 5 C. 4 D. 6 Answer:D Explanation: arr is a two-dimensional array, arr … Read more
⭐C Language Pointer Exercises: From <span>scanf</span> to <span>swap</span>, Mastering Pointers! Author: IoT Smart Academy In the previous article, we started with this line: scanf("%d", &a); We clarified three things: <span>&a</span> is the “address” of a A pointer is a “variable specifically used to store addresses” <span>*p</span> is “finding the person inside the house by following … Read more
🧮 Detailed Explanation of C Language Array Exercises (Including Complete Code) Author: IoT Smart Academy 🧠 Section Overview In the previous section, we learned about the definition of arrays, input and output, summation, and finding the maximum value. Today, we will master the application scenarios of arrays through 4 practical exercises. 🌟 Exercise 1: Calculate … Read more
✅ Detailed Explanation of C Language Switch Statement Exercises Yesterday, I assigned 3 mandatory exercises, and today we will analyze them in detail. ✅ By mastering this, you will firmly grasp the real application scenarios of switch! 📝 Exercise 1: Number to Day of the Week (1~7) 📌 Input: An integer (1-7) 📌 Output: Corresponding … Read more
Given: int a=2, b=7; Calculate the value of the following expression: ___________________ a=4,b=1,a>b?++a:++b; Correct answer: 5
Great! Below are the exercises related to Chapter 13 “Functions and One-Dimensional Arrays” in C language. Each code segment includes detailed comments and function descriptions to help you understand better. Exercise 1: Calculate the Sum of a One-Dimensional Array Requirement: Write a function to calculate the sum of all elements in a one-dimensional array. #include … Read more
The programming has been completed. Due to the volume, no photos will be provided in this article. Below is the compressed package of the programming:C Language Final Programming.zipPlease unzip it to view The programming questions are as follows:C Language Final Programming ReviewWishing everyone good luck on the exam!! (Already looking forward to enjoying the air … Read more
01 Answer: C Explanation: omitted 02 Answer: AD Explanation: omitted 03 Answer: A Explanation: omitted 04 Answer: B Explanation: omitted 05 Answer: B Explanation: omitted 06 (Common Mistake) Answer: B Explanation: 07 Answer: D Explanation: omitted 08 Answer: B;B Explanation: omitted 09 Answer: D Explanation: omitted 10 Answer: D Explanation: omitted 11 Answer: D Explanation: … Read more
Learn programming with Lao Ma by “leveling up and fighting monsters”! To support children’s learning journey for “Python Level 1”, we have compiled detailed teaching plans and after-class assignments, which are now fully included in 👉Python Examination Classroom. We hope these materials can provide substantial help to the children. Last updated: 2025.06.18 Python Level 1 … Read more
01 If there is an array int a[10];, the correct reference to the elements of the array a is A) a[10] B) a[3.5] C) a(5) D) a[10-10] Answer: D Explanation: For option A: Incorrect, the valid indices of the array are 0 to 9, a[10] is out of bounds and will lead to undefined behavior. … Read more