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Programs to Print Pyramid Patterns in C++

We will explore how to use code to print a variety of patterns utilizing stars (*), numbers (1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11,.…)  and alphabets (A, B, C, D, E, F, G, H,…) to make forms like pyramids, triangles, and so on in this tutorial. The C++ pattern programs listed below, as well as instructions on how to run and print them, are covered in this tutorial.

  1. Simple Half Pyramid Pattern of Stars Using While Loop
  2. Simple Half Pyramid Pattern of Stars Using For Loop
  3. Simple Half Inverted Pyramid Pattern of Stars
  4. Simple Complete Pyramid Pattern of Stars
  5. Simple Complete Inverted Pyramid Pattern of Stars
  6. Simple Half Pyramid Pattern of Numbers Using Loop
  7. Simple Half Inverted Pyramid of Numbers
  8. Simple Complete Pyramid Pattern of Numbers
  9. Pascal’s Triangle Pyramid of Numbers
  10. Half Pyramid Pattern of Alphabets
  11.  Full Pyramid Pattern of Alphabets

Programs:

1. Print a Simple Half Pyramid Pattern of Stars Using While Loop

Code:

//CPP Code to Print Simple half Pyramid using while loop


#include <iostream>
using namespace std;


int main ()
{
	//considering a variable
	int j; 
	
	//asks user for a input
	cout << "Enter the height of pyramid: "; 
	
	//storing value in variable j
	cin >> j;
	
	//considering a variable and initialize with 1
	int row = 1;
	
	//logic
	while ( row <= j )
	{
		//taking a variable and initialize with 1
		int col = 1;
		
	//logic
	while ( col <= row )
	{
		//printing star 
		cout << "*";
		
		//incrementing col
		col = col + 1;
		}	
		cout << endl;
		
		//incrementing row
		row = row + 1;
	}
}

Output: (If User puts 7 as input)

Enter the height of pyramid: 7
*
**
***
****
*****
******
******* 

2. Print a Simple Half Pyramid Pattern of Stars Using For Loop

Code:

//CPP Code to Print Simple half Pyramid using for loop


#include <iostream>
using namespace std;


int main ()
{
	//considering a variable
	int row; 
	
	//asks user for a input
	cout << "Enter the rows of pyramid: "; 
	
	//storing value in variable row
	cin >> row;
	
	//logic
	for(int m = 1; m <= row; ++m)
    {
        for(int n = 1; n <= m; ++n)
        {
        	//printing stars
            cout << "*";
        }
        cout << "\n";
    }
    return 0;
}

Output: (If the user puts 8 as input)

Enter the rows of pyramid: 8
*
**
***
****
*****
******
*******
********

3. Print a Simple Half Inverted Pyramid of Stars

Code:

//CPP Code to Print Simple half inverted Pyramid 


#include <iostream>
using namespace std;


int main ()
{
	//considering a variable
	int row; 
	
	//asks user for a input
	cout << "Enter the rows of pyramid: "; 
	
	//storing value in variable row
	cin >> row;
	
	//logic
	for(int m = 0; m <= row; m++)
    {
        for(int n = m; n <=  row; n++)
        {
        	//printing stars
            cout << "*";
        }
        cout << "\n";
    }
    return 0;
}

Output: (If the user puts 6 as input)

Enter the rows of pyramid: 6
*******
******
*****
****
***
**
*

4. Print Simple Complete Pattern Pyramid of Stars

Code:

//CPP Code to Print Simple complete inverted Pyramid 
#include<iostream>
using namespace std;


int main()
{
		//considering variables
    int row, m, p, n;
    
    //asks user for a input
    cout << "Enter the number of rows: ";
    
    //storing value in variable row
    cin >> row;
    
    //logic
    for(m=1; m<=row; m++)
    {
        for( p= row; p > m; p-- )
            cout<<" ";
        for( n = 0; n < m; n++)
        
        //printing stars
            cout<<"* ";
        cout << endl;
    }
    cout << endl;
    return 0;
}

Output: (If the user puts 5 as input)

Enter the number of rows: 5
    *
   * *
  * * *
 * * * *
* * * * *

5. Print Simple Complete Inverted Pattern Pyramid of Stars

Code:

//CPP Code to Print Simple complete inverted Pyramid 
#include<iostream>
using namespace std;


int main()
{
		//considering variables
    int row, m, p, n;
    
    //asks user for a input
    cout << "Enter the number of rows: ";
    
    //storing value in variable row
    cin >> row;
    
    //logic
    for(m=1; m<=row; m++)
    {
        for( p= 1; p < m; p++ )
            cout<<" ";
        for( n = m; n <= row; n++)
        
        //printing stars
            cout<<"* ";
        cout << endl;
    }
    cout << endl;
    return 0;
}

Output: (If user puts 11 as input)

Enter the number of rows: 11
* * * * * * * * * * *
 * * * * * * * * * *
  * * * * * * * * *
   * * * * * * * *
    * * * * * * *
     * * * * * *
      * * * * *
       * * * *
        * * *
         * *
          *

6. Simple Half Pyramid Pattern of Numbers Using Loop

Type 1:

//CPP Code to Print Simple half Pyramid using while loop


#include <iostream>
using namespace std;


int main ()
{
	//considering a variable
	int j; 
	
	//asks user for a input
	cout << "Enter the height of pyramid: "; 
	
	//storing value in variable j
	cin >> j;
	
	//considering a variable and initialize with 1
	int row = 1;
	
	//logic
	while ( row <= j )
	{
		//taking a variable and initialize with 1
		int col = 1;
		
	//logic
	while ( col <= row )
	{
		//printing star 
		cout << row;
		
		//incrementing col
		col = col + 1;
		}	
		cout << endl;
		
		//incrementing row
		row = row + 1;
	}
}

Output: (If the user puts 5 as input)

Enter the height of pyramid: 5
1
22
333
4444
55555

Type 2:

//CPP Code to Print Simple half Pyramid using for loop
#include <iostream>
using namespace std;


int main()
{
	//considering variable r
    int r; 
    
    //asks user for a input
    cout << "Enter the number of rows: ";
    
    //storing value in r
    cin >> r;


		//logic
    for(int m = 1; m <= r; ++m)
    {
        for(int n = 1; n <= m; ++n)
        {
            cout << n << " ";
        }
        cout << "\n";
    }
    return 0;
}

Output: (If the user puts 6 as input)

Enter the number of rows: 6
1
1 2
1 2 3
1 2 3 4
1 2 3 4 5
1 2 3 4 5 6

Type 3:

//CPP Code to Print Simple half Pyramid using while loop


#include <iostream>
using namespace std;


int main()
{
	 //taking variable h
	int h;
	
	//asks user for input
	cout << " Enter the height of pyramid : ";
	
	//storing input
	cin >> h;
	
	int row = 1;
	
	//logic
	while ( row <= h)
	{
		int col = 1;
		int val = row ;
		
		while ( col <= row )
		{
			cout << val;
			val ++;
			col ++;
		}
		cout << endl;
		row ++;
	 } 
}

Output: (If the user puts 4 as input)

Enter the height of pyramid : 4
1
23
345
4567

Type 4:

//CPP Code to Print Simple half Pyramid using while loop


#include <iostream>
using namespace std;


int main()
{
	 //taking variable h
	int h;
	
	//asks user for input
	cout << " Enter the height of pyramid : ";
	
	//storing input
	cin >> h;
	
	int m = 1;
	
	//logic
	while ( m <= h)
	{
		int n = 1;
		
		while ( n <= m )
		{
			cout << ( m - n + 1 ) <<" ";
			n ++;
		}
		cout << endl;
	 m ++;
	 } 
}

Output: (If user puts 5 as input)

Enter the height of pyramid : 5
1
2 1
3 2 1
4 3 2 1
5 4 3 2 1

Type 5:

//CPP program to print half pyramid pattern


#include <iostream>
using namespace std;


int main()
{
	//considering variables
    int h, m, n, no = 1;


  //asks user for a input
    cout << "Enter the height of pyramid: ";
    
    //storing value
    cin >> h;




		//logic
    for(m = 1; m <= h; m++)
    {
        for(n = 1; n <= m; ++n)
        {
            cout << no << " ";
            ++no;
        }


        cout << endl;
    }


    return 0;
}

Output: (If user puts 5 as input)

Enter the height of pyramid: 5
1
2 3
4 5 6
7 8 9 10
11 2 13 14 15

7. Simple Half Inverted Pyramid Pattern of Numbers Using Loop

Code:

//CPP Code to Print Simple half inverted Pyramid using for loop


#include <iostream>
using namespace std;


int main()
{
	//taking variable as h
    int h;


    //put a value
    cout << "Enter height of pyramid: ";
    
    //storing value
    cin >> h;


	//logic
    for(int m = h; m >= 1; --m)
    {
        for(int n = 1; n <= m; ++n)
        {
            cout << n << " ";
        }
        cout << endl;
    }


    return 0;
}

Output: (If user puts 5 as input)

Enter height of pyramid: 5
1 2 3 4 5
1 2 3 4
1 2 3
1 2
1

8. Simple Complete Pyramid Pattern of Numbers

Type 1:

//CPP Code to Print Simple complete Pyramid


#include <iostream>
using namespace std;




int main()
{
//taking variables
    int rs, c = 0, c1 = 0, m = 0;


//asks user for a input
    cout << "Enter number of rows: ";


//storing value
    cin >> rs;


//logic
    for(int i = 1; i <= rs; ++i)
    {
        for(int sp = 1; sp <= rs-i; ++sp)
        {
            cout << "  ";
            ++ c;
        }


        while(m != 2 * i - 1)
        {
            if (c <= rs - 1)
            {
                cout << i + m << " ";
                ++ c;
            }
            else
            {
                ++ c1;
                cout << i + m - 2 * c1 << " ";
            }
            ++m ;
        }
        c1 = c = m = 0;


        cout << endl;
    }
    return 0;
}

Output: (If the user puts 6 as input)

Enter number of rows: 6
          1
        2 3 2
      3 4 5 4 3
    4 5 6 7 6 5 4
  5 6 7 8 9 8 7 6 5
6 7 8 9 10 11 10 9 8 7 6

Type 2:       

//CPP Code to Print Simple complete Pyramid


#include<iostream>
using namespace std;


int main()
{
//considering variable
	int rs;


//asks user for a input,
	cout << "Enter the height of Pyramid:  ";


//storing value in variable rs
	cin >> rs;


//logic
	for (int m = 1; m <= rs; m++)
	{
		for (int n = rs; n > m; n--)
		{
			cout << " ";
		}
		for (int s = 1; s <= m; s++)
		{
			cout << m << " ";
		}
		cout << "\n";
	}
}

Output: (If user puts 5 as input)

Enter the height of Pyramid:  5
    1
   2 2
  3 3 3
 4 4 4 4
5 5 5 5 5

9. Pascal’s Triangle Pyramid of Numbers

Code:

#include <iostream>
using namespace std;


int main()
{
//considering variables
    int h, pt = 1;


//asks user for a input
    cout << "Enter number of rows: ";


//storing value in variable h
    cin >> h;


//logic
    for(int m = 0; m < h; m++)
    {
        for(int sp = 1; sp <= h-m; sp++)
            cout <<"  ";


        for(int n = 0; n <= m; n++)
        {
            if (n == 0 || m == 0)
                pt = 1;
            else
                pt = pt * (m-n+1)/n;


            cout << pt << "   ";
        }
        cout << endl;
    }


    return 0;
}

Output: (If the user puts 6 as input)

Enter number of rows: 6
            1
          1   1
        1   2   1
      1   3   3   1
    1   4   6   4   1
  1   5   10   10   5   1

10. Half Pyramid Pattern of Alphabets

Code:

//cpp to print half pyramid pattern of alphabets


#include <iostream>
using namespace std;


int main()
{
//considering variables
    char ip, alph = 'A';


//asks user for a input
    cout << "Enter any uppercase character to print in the end row: ";
   //storing input
 cin >> ip;


//logic
    for(int m = 1; m <= (ip-'A'+1); ++m)
    {
        for(int n = 1; n <= m; ++n)
        {
            cout << alph << " ";
        }
        ++alph;


        cout << endl;
    }
    return 0;
}

Output: (If user puts “F” as input)

Enter any uppercase character to print in the end row: F
A
B B
C C C
D D D D
E E E E E
F F F F F F

11. Full Pyramid Pattern of Alphabets

Code:

//cpp to print full pyramid pattern of alphabets


#include <iostream>  
using namespace std; 
 
int main()  
{  
//taking variable
 char alpha= 'A';    
    int sp, m, n, o, p;   


//asks user for input
     cout << "Enter the height of Pyramid: ";


//storing value
	 cin >> sp;
	 
//logic
    for( m = 1; m <= sp; m++ )    
    {    
        for( n = sp; n >= m; n-- )    
            cout<<" ";    
        for(o = 1; o <= m; o++)    
            cout << alpha++;    
            alpha--;    
        for( p = 1; p < m; p++)    
            cout<<--alpha;    
        cout<<"\n";    
        alpha='A';    
    }    
return 0;  
}  

Output: (If user puts 5 as input)

Enter the height of Pyramid: 5
     A
    ABA
   ABCBA
  ABCDCBA
 ABCDEDCBA



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