Description
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
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
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
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
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=" ")
