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Program to find Fibonacci series up to n

06 May 2024

Description about Program to find Fibonacci series up to n

Fibonacci series is a special series where nth term is the sum of previous two terms in the series. The series starts with 0 and 1 as the first and second term of the series respectively.

Here you nee to get the value for nth term from user and then print Fibonacci series containing n terms.

Input

5

Output

0,1,1,2,3

Input

8

Output

0,1,1,2,3,5,8,13

C Program to find Fibonacci series up to n

Method 1

#include <stdio.h>

int main()

{

    int num, a=-1,b=1,c;

    printf("Enter a number: ");

    scanf("%d",&num);

    printf("Fibonacci series: ");

    for(int i=0;i<num;i++)

    {

        c=a+b;

        printf("%d, ",c);

        a=b;

        b=c;

    }

    return 0;

}

Method 2

#include <stdio.h>

int fibonacci(int num)

{

   static int a = 0, b = 1, c;    

    if(num > 0)

    {    

        c = a + b;    

        a = b;    

        b = c;    

        printf("%d, ",c);

        fibonacci(num-1);    

    }

}

int main()

{

    int num;

    printf("Enter the number");

    scanf("%d",&num);

    printf("0, 1, ");

    fibonacci(num-2);

    return 0;

}

C++ Program to find Fibonacci series up to n

Method 1

#include <iostream>

using namespace std;

int main()

{

    int num, a=-1,b=1,c;

    cout<<"Enter a number: ";

    cin>>num;

    cout<<"Fibonacci series: ";

    for(int i=0;i<num;i++)

    {

        c=a+b;

        cout<<c<<",";

        a=b;

        b=c;

    }

    return 0;

}

Method 2

#include <iostream>

using namespace std;

int fibonacci(int num)

{

   static int a = 0, b = 1, c;    

    if(num > 0)

    {    

        c = a + b;    

        a = b;    

        b = c;    

        cout<<c<<", ";

        fibonacci(num-1);    

    }

    return 0;

}

int main()

{

    int num;

    cout<<"Enter the number: ";

    cin>>num;

    cout<<"0, 1, ";

    fibonacci(num-2);

    return 0;

}

Java Program to find Fibonacci series up to n

import java.util.Scanner;

public class Main

{

public static void main(String[] args) {

Scanner sc = new Scanner(System.in);

System.out.print("Enter the number : ");

int num = sc.nextInt();

if(num > 0)

{

int a = 0, b = 1, c;

System.out.print("Fibonacci Series : "+a+", "+b+", ");

while(b < num)

{

c=a+b;

a=b;

b=c;

if(b <= num)

System.out.print(b+", ");

}

}

else

System.out.print("Invalid Input");

}

}

Python Program to find Fibonacci series up to n

num = int(input("Enter the Number:"))

a, b = 0, 1

print("Fibonacci Series:", a,",", b, end=" , ")

for i in range(2, num):

    c = a + b

    a = b

    b = c

    print(c,",", end=" ")

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