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日期：2025-01-02 08:47

1. Introduction to Recursive Calls in C Language

In C, recursion refers to the process where a function calls itself in order to solve smaller

instances of a problem. A recursive function typically has two main components:

1. Base case: The condition that stops the recursion to prevent infinite calls.

2. Recursive case: The part where the function calls itself with modified

parameters.

A common example of recursion is the calculation of factorials or Fibonacci numbers.

Here's a basic example of a recursive function in C:

In this example:

• The base case is when n == 0 or n == 1, where the recursion stops.

• The recursive case is when the function calls itself with n - 1.

Quiz: Understanding Recursive Calls

Here are two quizzes to test your understanding of how a recursive function works.

Below are C program that contains a recursive function. Predict the output for n = 3.

2. Write a program to create a single linked list with four nodes. Each node represents a

user containing the name and the age of this user.

Example:

Input:

Output:

3. Fill in the blanks or complete the following program to make it work as

described.

Output:

Length of str1: 6

Concatenated string (str1 + str2): APSIPA ASC 2024

Comparison result (strcmp(str1, str4)): -1 (since "APSIPA" is lexicographically

smaller than "apsipa")

Converted integer + 10: 52

Copied string into str1: ASC 2024