October 14, 2013

Interesting solutions for Fibonacci series (0,1,1,2,3,5,8,13,…) in C++ Language



#include<iostream.h>
#include<conio.h>
void main()
{
                int x=0,a=0,b=1,n;
                clrscr();
                cout<<"Enter how many no to print in fib series\n";
                cin>>n;
                clrscr();
                cout<<"Fibonacci Series is: \n\n";
                while(n>0)
                {
                                cout<<a<<"\n";
                                x=a+b;
                                a=b;
                                b=x;
                                n--;
                }
                getch();
}

----------------------------------------------------------------------------------------------------------------------------------------

#include<iostream.h>
#include<conio.h>
void main()
{
                int a=0,b=1,n;
                clrscr();
                cout<<"Enter how many no to print in fib series\n";
                cin>>n;
                clrscr();
                cout<<"Fibonacci Series is: \n\n";
                while(n>0)
                {
                                cout<<a<<"\n";
                                b=a+b;
                                a=b-a;
                                n--;
                }
                getch();
}

----------------------------------------------------------------------------------------------------------------------------------------

#include<iostream.h>
#include<conio.h>
void main()
{
                int x=0,a=0,b=1,n;
                clrscr();
                cout<<"Enter how many no to print in fib series\n";
                cin>>n;
                clrscr();
                cout<<"Fibonacci Series is: \n\n";
                while(n>0)
                {
                                cout<<x<<"\n";
                                a=b;
                                b=x;
                                x=a+b;
                                n--;
                }
                getch();
}

----------------------------------------------------------------------------------------------------------------------------------------

#include<iostream.h>
#include<conio.h>
void main()
{
                int x=0,a=0,b=1,n;
                clrscr();
                cout<<"Enter how many no to print in fib series\n";
                cin>>n;
                clrscr();
                cout<<"Fibonacci Series is: \n\n";
                while(n>0)
                {
                                x=a+b;
                                cout<<a<<"\n";
                                a=b;
                                b=x;
                                n--;
                }
                getch();
}

----------------------------------------------------------------------------------------------------------------------------------------

#include<iostream.h>
#include<conio.h>
void main()
{
                int x=0,a=0,b=1,n;
                clrscr();
                cout<<"Enter how many no to print in fib series\n";
                cin>>n;
                clrscr();
                cout<<"Fibonacci Series is: \n\n";
                while(n>0)
                {
                                cout<<a<<"\n";
                                a=b;
                                b=a+x;
                                x=a;

                                n--;
                }
                getch();
}

----------------------------------------------------------------------------------------------------------------------------------------

#include<iostream.h>
#include<conio.h>
void main()
{
                int x=0,a=0,b=1,n;
                clrscr();
                cout<<"Enter how many no to print in fib series\n";
                cin>>n;
                clrscr();
                cout<<"Fibonacci Series is: \n\n";
                while(n>0)
                {
                                cout<<x<<"\n";
                                a=b;
                                b=a+x;
                                x=a;

                                n--;
                }
                getch();
}

----------------------------------------------------------------------------------------------------------------------------------------

#include<iostream.h>
#include<conio.h>
void main()
{
                int x=1,a=0,b=1,n;
                clrscr();
                cout<<"Enter how many no to print in fib series\n";
                cin>>n;
                n=n-2;
                clrscr();
                cout<<"Fibonacci Series is: \n\n";
                cout<<0<<"\n";
                cout<<1<<"\n";
                while(n>0)
                {
                                a=b;
                                b=a+x;
                                x=a;
                                cout<<a<<"\n";
                                n--;
                }
                getch();
}

----------------------------------------------------------------------------------------------------------------------------------------

#include<iostream.h>
#include<conio.h>
void main()
{
                int x=0,a=0,b=1,n;
                clrscr();
                cout<<"Enter how many no to print in fib series\n";
                cin>>n;
                n=n-2;
                clrscr();
                cout<<"Fibonacci Series is: \n\n";
                cout<<0<<"\n";
                cout<<1<<"\n";
                while(n>0)
                {
                                x=a+b;
                                cout<<x<<"\n";
                                a=b;
                                b=x;
                                n--;
                }
                getch();
}

----------------------------------------------------------------------------------------------------------------------------------------

Output:
Enter how many no to print in fib series
10

Fibonacci Series is:

0
1
1
2
3
5
8
13
21
34

Popular Posts