# Sierpinski triangle c++ – Java Program to Print Sierpinski Triangle Character Pattern

## Program to Print Sierpinski triangle Character Pattern

Sierpinski triangle c++: In the previous article, we have discussed Java Program to Print Window Character Pattern. In this article, we are going to see how to print the Sierpinski tringle character program.

Example-1

When rows :  8

A
A  B
A     C
A B C D
A           E
A B        E  F
A    C     E    G
A B C D E F G H

Now, let’s see the actual program to print it.

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Approach:

• Enter total row and store it in an integer variable row. (Prefer multiple of 8)
• Take first outer for loop to print the row value.
• Take first inner for loop for printing space.
• Take second for loop for printing space according to condition if ((c & y) != 0) else it will print character.
• Then go on printing the star symbol according to loop.

### Java Code to Print Sierpinski Triangle Character Pattern

import java.util.*;
public class Main
{
public static void main(String args[])
{
// taking variable for loop iteration and row .
int row,r,c,y;
// Starting ASCII character 65
int asciiAlpha=65;
//creating scanner class object
Scanner s = new Scanner(System.in);
// entering the number of row
System.out.print("Enter rows : ");
row = s.nextInt();
//outer for loop
//it will iterate all the rows
for (y = row - 1; y >= 0; y--)
{
// printing space till the value of y
for (r = 0; r < y; r++)
System.out.print(" ");
// printing character
for (c = 0; c + y < row ; c++)
{
if ((c & y) != 0)
System.out.print("  ");
else
System.out.print((char)(c+asciiAlpha)+" ");
}
System.out.print("\n");
}
}
}
Enter rows :
A
A B
A    C
A B C D
A          E
A  B      E   F
A     C   E      G
A B C D E F G H

### C Code to Print Sierpinski Triangle Character Pattern

#include <stdio.h>
int main()
{
int r, row, c,y ;
int asciiAlpha=65;
printf("Enter rows: ");
scanf("%d", &row);
for (  y = row - 1; y >= 0; y--)
{
// printing space till the value of y
for (  r = 0; r < y; r++)
printf(" ");
// printing character
for ( c = 0; c + y < row ; c++)
{
if ((c & y) != 0)
printf("  " );
else
printf("%c ",(c+asciiAlpha));
}
printf("\n");
}
return 0;
}

Output :

Enter rows :   8

A
A  B
A     C
A B C D
A           E
A  B       E  F
A     C    E     G
A B C D E F G H

### C++ Code to Print Sierpinski Triangle Character Pattern

#include <iostream>
using namespace std;
int main()
{
int row, r , c, y ;
int asciiAlpha=65;
cout << "Enter  rows: ";
cin >> row;
for (  y = row - 1; y >= 0; y--)
{
// printing space till the value of y
for (  r = 0; r < y; r++)
cout <<" ";
// printing character
for ( c = 0; c + y < row ; c++)
{
if ((c & y) != 0)
cout << "  " ;
else
cout << (char)(c+asciiAlpha)<<" ";
}
cout <<"\n";
}
return 0;
}
Output:

Enter rows :   8

A
A   B
A     C
A B C D
A           E
A  B      E  F
A     C   E    G
A B C D E F G H

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