Looping in C++ pro

Fibonacci series in C++

#include

#include

using namespace std;

int main()

{

     int counter, n;

     long last=1,next=0,sum;

     cout<<"Enter the Number :";

     cin>>n;

     while(next

     {

      cout<

      sum=next+last;

      next=last;

      last=sum;

     }

     getch();

     return 0;

 }

Output

Enter the Number :300

1

1

2

3

5

8

13

21

34

55

89

144

233

Hello World C++

#include

#include

using namespace std;

int main()

{

     cout<<"My First C++ Program";

     getch();

     return 0;

}

Output

My First C++ Program

If Statement in C++

#include

#include

using namespace std;

int main()

{

     int a;

               cout<<"Enter the Number :";

     cin>>a;

     if(a > 10)

     {

             cout<

     }

     getch();

     return 0;

 }

Output

Enter the Number :15

15 Is Greater than 10

If..Else Statement in C++

#include

#include

using namespace std;

int main()

{

       int a;

       cout<<"Enter the Number :";

       cin>>a;

     if(a > 10)

     {

         cout<

     }

     else

     {

       cout<

     }

     getch();

     return 0;

 }

Output

Enter the Number :20

20 Is Greater than 10

For Loop Program in C++

#include

#include

using namespace std;

int main()

{

          int a;

     cout<<"Enter the Number :";

     cin>>a;

     for (int counter = 1; counter <= a; counter++)

     {

         cout<<"Execute "<

     }

     getch();

     return 0;

 }

Output

Enter the Number :5

Execute 1 time

Execute 2 time

Execute 3 time

Execute 4 time

Execute 5 time

While Loop Program in C++

#include

#include

using namespace std;

int main()

{

      int a;

     cout<<"Enter the Number :";

     cin>>a;

     int counter = 1;

          while (counter <= a)

     {

         cout<<"Execute While "<

         counter++;

     }

     getch();

     return 0;

 }

Output

Enter the Number :4

Execute While 1 time

Execute While 2 time

Execute While 3 time

Execute While 4 time