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Q in picture **C PROGRAMMING LANGUAGE ***PROVIDE COMMENTS

Q in picture **C PROGRAMMING LANGUAGE ***PROVIDE COMMENTS

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Q in picture

**C PROGRAMMING LANGUAGE

***PROVIDE COMMENTS

**Question 3: Fibonacci Sequence Function** Write a user-defined function called `Fibonacci` that calculates the Fibonacci Sequence. The sequence is defined as follows: \[ F_n = F_{n-1} + F_{n-2} \] Where: - \( F_0 = 0 \) - \( F_1 = 1 \) The user-defined function will take one argument of type `int` that will represent \( n \) in the sequence and return the result of the sequence to the main function to be displayed. Inside the main function, prompt the user for input for the value of \( n \) greater than or equal to 2. If the user doesn’t enter a valid input, the function should not be called, and an error message should be displayed. *Hint: Use a `for` loop.*
Transcribed Image Text:**Question 3: Fibonacci Sequence Function** Write a user-defined function called `Fibonacci` that calculates the Fibonacci Sequence. The sequence is defined as follows: \[ F_n = F_{n-1} + F_{n-2} \] Where: - \( F_0 = 0 \) - \( F_1 = 1 \) The user-defined function will take one argument of type `int` that will represent \( n \) in the sequence and return the result of the sequence to the main function to be displayed. Inside the main function, prompt the user for input for the value of \( n \) greater than or equal to 2. If the user doesn’t enter a valid input, the function should not be called, and an error message should be displayed. *Hint: Use a `for` loop.*
Expert Solution
Step 1

#include <stdio.h>
//Fibonacci Series using Recursion

int fib(int n)
{
   if (n <= 1)
      return n;
   return fib(n-1) + fib(n-2);
}
 
int main ()
{
  int n ;

// take input from user 
  printf("Enter the number");
  scanf("%d",&n);
  printf("%d\n", n);
  
  printf("%d", fib(n));
  getchar();
  return 0;
}

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