Write a C++ program:
to iteratively compute Fibonacci numbers (named after an Italian mathematician). Some Fibonacci numbers are 1,1,2,3,5,8,... where the next number is found by summing the preceding two numbers. Your program is not assured of recieving good data, thus if -2 is recieved as the number of numbers, then an error should be reported.
Try n = 5, 7, 10, -3
A C++ program to generate fibonacci series using recursion is given below,
//Declare header files
using namespace std;
//Define the recursive function
void print_Fibonacci(int n)
//Declare ans initialize the necessary variables
static int n_1=0, n_2=1, n_3;
//Check whether "n" is positive
//Add two values
n_3 = n_1 + n_2;
//Swap two numbers
n_1 = n_2;
n_2 = n_3;
//Print the calculated value
//Call the function iteratively
//Define the main() function
//Declare the variable
//Prompt the user for the input
cout<<"Enter the number of elements: ";
//Get the user input
//Check whether "n" is less than or equal to "2"
//Prin the error message
//Prin the string
cout<<"Fibonacci Series: ";
//Call the function
print_Fibonacci(n-1); //n-1 because first number is already printed
Screenshot of program #1:
Screenshot of program #2:
Screenshot of program #3...
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