C++ program to print the star pyramid patterns

C++ program to print the star right half pyramid pattern

kw.cpp

#include <iostream>
using namespace std;
int main()
{
    int i, j;
    for (i = 1; i <= 10; i++)
    {
        for (j = 1; j <= i; j++)
        {
            cout<<"*";
        }
        cout<<"\n";
    }
    return 0;
}

Output

kodingwindow@kw:~$ g++ kw.cpp
kodingwindow@kw:~$ ./a.out
*
**
***
****
*****
******
*******
********
*********
**********
kodingwindow@kw:~$

C++ program to print the star left half pyramid pattern

kw.cpp

#include <iostream>
using namespace std;
int main()
{
    int i, j;
    for (i = 1; i <= 10; i++)
    {
        for (j = 1; j <= 10 - i; j++)
            cout<<" ";
        for (j = 1; j <= i; j++)
        {
            cout<<"*";
        }
        cout<<"\n";
    }
    return 0;
}

Output

kodingwindow@kw:~$ g++ kw.cpp
kodingwindow@kw:~$ ./a.out
         *
        **
       ***
      ****
     *****
    ******
   *******
  ********
 *********
**********
kodingwindow@kw:~$

C++ program to print the star inverted right half pyramid pattern

kw.cpp

#include <iostream>
using namespace std;
int main()
{
    int i, j;
    for (i = 10; i >= 1; i--)
    {
        for (j = 1; j <= i; j++)
        {
            cout<<"*";
        }
        cout<<"\n";
    }
    return 0;
}

Output

kodingwindow@kw:~$ g++ kw.cpp
kodingwindow@kw:~$ ./a.out
**********
*********
********
*******
******
*****
****
***
**
*
kodingwindow@kw:~$

C++ program to print the star inverted left half pyramid pattern

kw.cpp

#include <iostream>
using namespace std;
int main()
{
    int i, j;
    for (i = 10; i >= 1; i--)
    {
        for (j = 1; j <= 10 - i; j++)
            cout<<" ";
        for (j = 1; j <= i; j++)
        {
            cout<<"*";
        }
        cout<<"\n";
    }
    return 0;
}

Output

kodingwindow@kw:~$ g++ kw.cpp
kodingwindow@kw:~$ ./a.out
**********
 *********
  ********
   *******
    ******
     *****
      ****
       ***
        **
         *
kodingwindow@kw:~$

C++ program to print the star half pyramid pattern

kw.cpp

#include <iostream>
using namespace std;
int main()
{
    int i, j;
    for (i = 1; i <= 10; i++)
    {
        for (j = 1; j <= 10 - i; j++)
            cout<<" ";
        for (j = 1; j <= i; j++)
        {
            cout<<"*"<<" ";
        }
        cout<<"\n";
    }
    return 0;
}

Output

kodingwindow@kw:~$ g++ kw.cpp
kodingwindow@kw:~$ ./a.out
         * 
        * * 
       * * * 
      * * * * 
     * * * * * 
    * * * * * * 
   * * * * * * * 
  * * * * * * * * 
 * * * * * * * * * 
* * * * * * * * * * 
kodingwindow@kw:~$

C++ program to print the star diamond pattern

kw.cpp

#include <iostream>
using namespace std;
int main()
{
    int i, j;
    for (i = 1; i <= 7; i++)
    {
        for (j = 1; j <= 7 - i; j++)
            cout<<" ";
        for (j = 1; j <= i; j++)
        {
            cout<<"*"<<" ";
        }
        cout<<"\n";
    }
    for (i = 6; i >= 1; i--)
    {
        for (j = 1; j <= 6 - i; j++)
            cout<<" ";
        for (j = 1; j <= i; j++)
        {
            cout<<" "<<"*";
        }
        cout<<"\n";
    }
    return 0;
}

Output

kodingwindow@kw:~$ g++ kw.cpp
kodingwindow@kw:~$ ./a.out
      * 
     * * 
    * * * 
   * * * * 
  * * * * * 
 * * * * * * 
* * * * * * * 
 * * * * * *
  * * * * *
   * * * *
    * * *
     * *
      *
kodingwindow@kw:~$

C++ program to print the star pyramid pattern using alphabets

kw.cpp

#include <iostream>
using namespace std;
int main()
{
    int i, j, k = 65;
    for (i = 65; i <= 70; i++)
    {
        for (j = 65; j <= i; j++, k++)
        {
            cout<<char(k);
        }
        cout<<"\n";
    }
    return 0;
}

Output

kodingwindow@kw:~$ g++ kw.cpp
kodingwindow@kw:~$ ./a.out
A
BC
DEF
GHIJ
KLMNO
PQRSTU
kodingwindow@kw:~$

C++ program to print the star pyramid pattern using natural numbers

kw.cpp

#include <iostream>
using namespace std;
int main()
{
    int i, j, k = 1;
    for (i = 1; i <= 10; i++)
    {
        for (j = 1; j <= i; j++, k++)
        {
            cout<<k<<" ";
        }
        cout<<"\n";
    }
    return 0;
}

Output

kodingwindow@kw:~$ g++ kw.cpp
kodingwindow@kw:~$ ./a.out
1 
2 3 
4 5 6 
7 8 9 10 
11 12 13 14 15 
16 17 18 19 20 21 
22 23 24 25 26 27 28 
29 30 31 32 33 34 35 36 
37 38 39 40 41 42 43 44 45 
46 47 48 49 50 51 52 53 54 55 
kodingwindow@kw:~$

C++ program to print the star pyramid pattern using binary numbers

kw.cpp

#include <iostream>
using namespace std;
int main()
{
    int i, j, k = 1;
    for (i = 1; i <= 10; i++)
    {
        for (j = 1; j <= i; j++, k++)
        {
            if (k % 2 == 0)
            {
                k = 0;
            }
            else
            {
                k = 1;
            }
            cout<<k<<" ";
        }
        cout<<"\n";
    }
}

Output

kodingwindow@kw:~$ g++ kw.cpp
kodingwindow@kw:~$ ./a.out
1 
0 1 
0 1 0 
1 0 1 0 
1 0 1 0 1 
0 1 0 1 0 1 
0 1 0 1 0 1 0 
1 0 1 0 1 0 1 0 
1 0 1 0 1 0 1 0 1 
0 1 0 1 0 1 0 1 0 1 
kodingwindow@kw:~$

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