Programming in Visual Studio Code for Beginners

This repository contains example codes and exercises for learning the C programming language. It is designed for beginners, and includes explanations to help understand the concepts. Contributions to vscode_course are welcome! Please submit issues or pull requests on GitHub.

C Programming Language (ZJU) [1]

Chapter 1: Introduction

• e_1_1.c: Factorial calculation program, demonstrating basic input, output, and loop operations.

Chapter 2: Programming

• e_2_1.c: Reading and printing integers
• e_2_2.c: Printing multiple lines of text
• e_2_3.c: Fahrenheit to Celsius conversion
• e_2_4.c: Calculating water bills using conditional statements
• e_2_5.c: Using the pow function for exponentiation
• e_2_6.c: Printing a Fahrenheit-Celsius conversion table
• e_2_7.c: Summing integers from 1 to n
• e_2_8.c: Approximating π using the Gregory series
• e_2_9.c: Calculating the factorial of n
• e_2_10.c: Printing powers of 2
• e_2_11.c: Printing a table of factorials from 1! to n!

Chapter 3: Branch

• e_3_1.c: Guess the number game. Compare the guessed number with a predefined number and provide feedback.
• e_3_2.c: Count odd and even numbers from user input.
• e_3_3.c: Calculate the average score and count the number of failing scores.
• e_3_4.c: Piecewise calculation of water fees based on input.
• e_3_5.c: Solve simple arithmetic expressions with special handling for division by zero.
• e_3_7.c: Count letters, digits, and other characters from user input.
• e_3_8.c: Simulate a vending machine to query the price of goods.
• e_3_9.c: Simple calculator for two numbers using a switch statement.
• e_3_10.c: Count blanks, digits, and other characters from a string of user input.

Chapter 4: Loop

• e_4_1.c: Estimate Pi using the Gregory series.
• e_4_2.c: Calculate the average score and count the number of failing scores.
• e_4_3.c: Count the number of digits in an integer.
• e_4_4.c: Reverse the digits of an integer.
• e_4_5_1.c: Check if a number is a prime number (basic method).
• e_4_5_2.c: Check if a number is a prime number (optimized method).
• e_4_5_3.c: Check if a number is a prime number (optimized for odd numbers).
• e_4_6_1.c: Guessing game with a random number between 1 and 100.
• e_4_6_2.c: Guessing game with a user-defined number.
• e_4_7_1.c: Calculate the sum of factorials using a function.
• e_4_7_2.c: Calculate the sum of factorials using nested loops.
• e_4_7_3.c: Calculate the sum of factorials using a single loop.
• e_4_8_1.c: Find the maximum value from a fixed number of inputs.
• e_4_8_2.c: Find the maximum value from a variable number of inputs.
• e_4_9.c: Generate the Fibonacci sequence with formatted output.
• e_4_10.c: Find all prime numbers in a given range with formatted output.
• e_4_11_1.c: Solve the brick-moving problem using nested loops.
• e_4_11_2.c: Solve the brick-moving problem with optimized limits.

Chapter 5: Function

• e_5_1.c: Calculate the volume of a cylinder given its radius and height.
• e_5_2.c: Calculate the area of a pentagon by dividing it into triangles.
• e_5_3.c: Determine whether a number is a perfect square without using math libraries.
• e_5_4.c: Find the greatest common divisor (GCD) of two integers using a function.
• e_5_5.c: Check if a number is prime using a function.
• e_5_6.c: Print a number pyramid with a given number of rows.
• e_5_7.c: Calculate the sum and product of two complex numbers using functions.
• e_5_8.c: Implement a financial cash accounting system with income and expenditure functions.
• e_5_9.c: Compute factorials from 1 to n using a function with a static variable.

Chapter 6: Data Type Review

• e_6_1.c: Convert uppercase letters to lowercase and vice versa, leaving other characters unchanged.
• e_6_2.c: Demonstrate relational expressions with various examples.
• e_6_3.c: Logical expression applications with different scenarios.
• e_6_5.c: Count the number of words in a line of input characters, where words are separated by spaces.

Chapter 7: Array

• e_7_1.c: Calculate the average of n integers and output all numbers greater than the average.
• e_7_2.c: Calculate the first n numbers of the Fibonacci sequence and output them in a formatted way.
• e_7_3.c: Sequential search method to find all indices of a given number in an array.
• e_7_4_1.c: Find the minimum value in an array and its index.
• e_7_4_2.c: Find the minimum value in an array, swap it with the first element, and output the modified array.
• e_7_5.c: Sort an array in ascending order using the selection sort method.
• e_7_6.c: Survey the popularity of TV programs and output the voting results.
• e_7_7_1.c: Binary search method to find a number in a sorted array.
• e_7_7_2.c: Binary search method with input validation for sorted arrays.
• e_7_8.c: Find the maximum value in a matrix and its row and column indices.
• e_7_9.c: Transpose a square matrix and output the result.
• e_7_10.c: Calculate the day of the year for a given date.
• e_7_11.c: Determine whether a string is a palindrome.
• e_7_12.c: Encrypt a string using the Caesar cipher with a given offset.
• e_7_13.c: Convert a string of digits to an integer.
• e_7_14.c: Convert a hexadecimal string to a decimal integer.

Chapter 8: Pointer

• e_8_1.c: Simulate a password lock game using pointers.
• e_8_2.c: Demonstrate the use of address and indirect access operators.
• e_8_3.c: Role exchange using three different swap functions (swap1, swap2, swap3).
• e_8_4.c: Convert year and day of the year into the corresponding month and day.
• e_8_5.c: Sort an array of integers in ascending order using the bubble sort algorithm.
• e_8_6.c: Calculate the sum of array elements using both arrays and pointers.
• e_8_7.c: Use pointers to calculate the number of elements and storage units in an array.
• e_8_8.c: Compress a string by replacing consecutive identical characters with their count.
• e_8_9.c: Compare two strings using pointers.
• e_8_9_A.c: Implement string comparison using a custom function.
• e_8_9_B.c: Compare strings using the standard library function strcmp.
• e_8_10.c: Dynamically allocate memory to store integers and calculate their sum.

Chapter 9: Struct

• e_9_1.c: Output the information of the student with the highest average score. Input n students' score information, calculate and output the information of the student with the highest average score.
• e_9_2.c: Input n students' score information and output their information in descending order according to the average score.
• e_9_3.c: Modify a specific course score of a student by inputting the student's number, course, and new score. Use a custom function to update the score.

Chapter 10: Program Struct

• e_10_1.c: Operations of ordered table for insertion, deletion, and query.
• e_10_2.c: Use a recursive function to calculate factorial (n!).
• e_10_3.c: Use recursion to find the greatest common divisor (GCD).
• e_10_4_1.c: Recursive function to reverse an integer (method 1).
• e_10_4_2.c: Recursive function to reverse an integer (method 2).
• e_10_4_3.c: Recursive function to reverse an integer (method 3).
• e_10_5.c: Solve the Tower of Hanoi problem using recursion.
• e_10_6.c: Use the divide-and-conquer method to solve the gold block problem.
• e_10_7.c: Convert imperial units (miles, feet, inches) to metric units.
• e_10_8.c: Simple macro definitions with parameters.
• e_10_9.c: Use macros for length conversion.
• e_10_10/main.c: Student information management system with functions for adding, modifying, and querying student records.

Chapter 11: Pointer Advanced

• e_11_1_1.c: Pointer array basics.
• e_11_1_2.c: Pointer array discussion with examples.
• e_11_2.c: Two-level pointer operation example.
• e_11_3_1.c: Use pointers to manipulate arrays.
• e_11_3_2.c: Use a two-level pointer to manipulate a word list.
• e_11_4.c: Use pointers to manipulate strings.
• e_11_5.c: Decode an acrostic