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Program to Print Fibonacci Series using While loop

Program to Print Fibonacci Series using While loop

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  • Write a program to Print Fibonacci Series using While loop in C
  • Write a program to Print Fibonacci Series using While loop in C++
  • Write a program to Print Fibonacci Series using While loop in Python
  • Write a program to Print Fibonacci Series using While loop in PHP
  • Write a program to Print Fibonacci Series using While loop in Java
  • Write a program to Print Fibonacci Series using While loop in Java Script
  • Write a program to Print Fibonacci Series using While loop in C#

Explanation:

We begin with two numbers, 0 and 1, and then add the final two numbers in the sequence to produce successive numbers in order to display the Fibonacci series using a for loop.

Logic

  1. The first two numbers of the Fibonacci series are 0 and 1.
  2. Use a While loop to calculate the next number in the series by adding the two previous numbers.
  3. Update the previous numbers (a and b) after calculating each new number.
  4. Repeat until the desired number of terms is generated.

Program to Print Fibonacci Series using While loop

#include <stdio.h>

int main() {
    int n, a = 0, b = 1, next;

    printf("Enter the number of terms: ");
    scanf("%d", &n);

    printf("Fibonacci Series: ");
    int i = 1;
    while (i <= n) {
        printf("%d ", a);
        next = a + b;
        a = b;
        b = next;
        i++;
    }

    return 0;
}

#include <iostream>
using namespace std;

int main() {
    int n, a = 0, b = 1, next;

    cout << "Enter the number of terms: ";
    cin >> n;

    cout << "Fibonacci Series: ";
    int i = 1;
    while (i <= n) {
        cout << a << " ";
        next = a + b;
        a = b;
        b = next;
        i++;
    }

    return 0;
}

n = int(input("Enter the number of terms: "))
a, b = 0, 1

print("Fibonacci Series: ", end="")
i = 1
while i <= n:
    print(a, end=" ")
    next_term = a + b
    a = b
    b = next_term
    i += 1


<?php
$n = (int)readline("Enter the number of terms: ");
$a = 0;
$b = 1;

echo "Fibonacci Series: ";
$i = 1;
while ($i <= $n) {
    echo "$a ";
    $next = $a + $b;
    $a = $b;
    $b = $next;
    $i++;
}
?>


import java.util.Scanner;

public class Fibonacci {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        System.out.print("Enter the number of terms: ");
        int n = sc.nextInt();
        int a = 0, b = 1, next;

        System.out.print("Fibonacci Series: ");
        int i = 1;
        while (i <= n) {
            System.out.print(a + " ");
            next = a + b;
            a = b;
            b = next;
            i++;
        }
        sc.close();
    }
}


let n = parseInt(prompt("Enter the number of terms: "));
let a = 0, b = 1;

console.log("Fibonacci Series: ", end="");
let i = 1;
while (i <= n) {
    console.log(a);
    let nextTerm = a + b;
    a = b;
    b = nextTerm;
    i++;
}


using System;

class Program {
    static void Main() {
        Console.Write("Enter the number of terms: ");
        int n = int.Parse(Console.ReadLine());
        int a = 0, b = 1, next;

        Console.Write("Fibonacci Series: ");
        int i = 1;
        while (i <= n) {
            Console.Write(a + " ");
            next = a + b;
            a = b;
            b = next;
            i++;
        }
    }
}

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