Problem Solving with C++ plus MyProgrammingLab with Pearson eText-- Access Card Package (9th Edition)
9th Edition
ISBN: 9780133862218
Author: Walter Savitch
Publisher: PEARSON
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Expert Solution & Answer
Chapter 14, Problem 1P
Explanation of Solution
Recursive function for nth Fibonacci numbers:
The recursive function for nth Fibonacci number is shown below:
/* Function definition for compute nth Fibonacci number */
int recursiveFibFunction(int n)
{
/* If "n" is less than or equal to "1", then */
if (n <= 1)
//Return value of "n"
return n;
/* Otherwise Recursively call the function "recursiveFibFunction" */
return recursiveFibFunction(n-1) + recursiveFibFunction(n-2);
}
Explanation:
The above function is used to compute the nth Fibonacci numbers.
- In this function, first check the value of “n”. If the value of “n” is less than or equal to “1” that is value of “n” is either “1” or “0”, then returns the given “n” value.
- Otherwise, recursively call the function “recursiveFibFunction”.
Complete executable code:
The complete code is implemented for Fibonacci number is shown below:
//Header file
#include<iostream>
//For standard input and output
using namespace std;
//Function declaration for "recursiveFibFunction" function
int recursiveFibFunction(int n);
//Main function
int main ()
{
//Initializes the number to "8"
int number = 8;
/* Dispay fibonacci number by calling the function "recursiveFibFunction" */
cout << number << "th Fibonacci number is: "<< recursiveFibFunction(number) << endl;
return 0;
}
/* Function definition for compute nth Fibonacci number */
int recursiveFibFunction(int n)
{
/* If "n" is less than or equal to "1", then */
if (n <= 1)
//Return value of "n"
return n;
/* Otherwise Recursively call the function "recursiveFibFunction" */
return recursiveFibFunction(n-1) + recursiveFibFunction(n-2);
}
Expert Solution & Answer
Sample Output
8th Fibonacci number is: 21
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Chapter 14 Solutions
Problem Solving with C++ plus MyProgrammingLab with Pearson eText-- Access Card Package (9th Edition)
Ch. 14.1 - Prob. 1STECh. 14.1 - Prob. 2STECh. 14.1 - Prob. 3STECh. 14.1 - Prob. 4STECh. 14.1 - Prob. 5STECh. 14.1 - If your program produces an error message that...Ch. 14.1 - Write an iterative version of the function cheers...Ch. 14.1 - Write an iterative version of the function defined...Ch. 14.1 - Prob. 9STECh. 14.1 - Trace the recursive solution you made to Self-Test...
Ch. 14.1 - Trace the recursive solution you made to Self-Test...Ch. 14.2 - What is the output of the following program?...Ch. 14.2 - Prob. 13STECh. 14.2 - Redefine the function power so that it also works...Ch. 14.3 - Prob. 15STECh. 14.3 - Write an iterative version of the one-argument...Ch. 14 - Prob. 1PCh. 14 - Prob. 2PCh. 14 - Write a recursive version of the search function...Ch. 14 - Prob. 4PCh. 14 - Prob. 5PCh. 14 - The formula for computing the number of ways of...Ch. 14 - Write a recursive function that has an argument...Ch. 14 - Prob. 3PPCh. 14 - Prob. 4PPCh. 14 - Prob. 5PPCh. 14 - The game of Jump It consists of a board with n...Ch. 14 - Prob. 7PPCh. 14 - Prob. 8PP
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