CS - Program to generate Fibonacci Series

Write a program to generate a Fibonacci series up to a given number using C++?

First of all we need to know - What is Fibonacci Series? 

It is a series of numbers that follows some pattern generated by adding previous two numbers, where first two numbers are 0 and 1. Fibonacci series has lots of uses in our life, you can easily find them on internet, just by googling it. But I have kind brought them on a single page - Click here to get more information about Fibonacci series. 

C++ Program for generating Fibonacci Series (using while loop):


#include<iostream.h>

void main()
{
         int N, a=0,b=1,c=a+b;
         clrscr();
         cout<<"\nEnter the Upper Limit: ";
         cin>>N;
         cout<<a<<" "<<B<<" ";
         while(c<=N)
         {
                cout<<c<<" "
                a=b;
                b=c;
                c=a+b;               
          }

}

C++ Program for generating Fibonacci Series (using for loop):

#include<iostream.h>

void main()
{
         int N, a=0,b=1,c=0;
         clrscr();
         cout<<"\nEnter the Upper Limit: ";
         cin>>N;
         cout<<a<<" "<<B<<" ";
        for(c=a+b;c<=N;c=a+b)
         {
                cout<<c<<" "
                a=b;
                b=c;               
          }


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