Program for Arrow Star Pattern

Given the value of n, print the pattern.

Examples :

Input : 5
Output :
    *****
   ****
  ***
 **
*
 **
  ***
   ****
    *****

Input : 7
Output : 
      *******
     ******
    *****
   ****
  ***
 **
*
 **
  ***
   ****
    *****
     ******
      *******

Below is the implementation to print the above pattern :

C++

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// C++ Implementation to print the pattern
  
#include <bits/stdc++.h>
using namespace std;
  
// arrow function 
int arrow(int n)
{
    // Prints the upper part of the arrow
    for (int i = 1; i <= n; i++) 
    {
        // for the spacing to form
        // the point of the arrow
        for (int j = i; j < n; j++) 
        {
            printf(" ");
        }
          
        // for printing the star(*)
        for (int j = i; j <= n; j++) 
        {
            cout << "*";
        }
        cout << endl;
    }
      
    // Prints lower part of the arrow
    for (int i = 2; i <= n; i++)
    {
        // for the spacing to form
        // the point of the arrow
        for (int j = 1; j < i; j++) 
        {
            printf(" ");
        }
          
        // for printing the star(*)
        for (int j = 1; j <= i; j++) 
        {
            cout << "*";
        }
        cout << endl;
    }
}
  
// driver code
int main()
{
    // get the value from user
    int n = 5;
      
    // function calling
    arrow(n);
  
    return 0;
}

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Java

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// Java Implementation to
// print the above pattern
import java.io.*;
  
class GFG {
  
// arrow function 
static void arrow(int n)
{
    // Prints the upper part of the arrow
    for (int i = 1; i <= n; i++) 
    {
        // for the spacing to form
        // the point of the arrow
        for (int j = i; j < n; j++) 
        {
            System.out.print(" ");
        }
          
        // for printing the star(*)
        for (int j = i; j <= n; j++) 
        {
            System.out.print("*");
        }
              
    System.out.println();
    }
      
    // Prints lower part of the arrow
    for (int i = 2; i <= n; i++)
    {
        // for the spacing to form
        // the point of the arrow
        for (int j = 1; j < i; j++) 
        {
            System.out.print(" ");
        }
          
        // for printing the star(*)
        for (int j = 1; j <= i; j++) 
        {
            System.out.print("*");
        }
    System.out.print('\n');
    }
}
  
// driver code
public static void main(String[] Argv) {
      
    // get the value from user
    int n = 5;
      
    // function calling
    arrow(n);
}
}
  
// this code is contributed by 'vt_m'

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Python3

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# Python Implementation to 
# print the pattern
   
# arrow function 
def arrow(n):
  
    # Prints the upper part of the arrow
    for i in range(1, n+1): 
      
        # for the spacing to form
        # the point of the arrow
        for j in range(i, n): 
          
            print(" ", end="")
          
        # for printing the star(*)
        for j in range(i, n+1): 
          
            print("*", end="")
          
        print()
       
    # Prints lower part of the arrow
    for i in range(2, n+1):
      
        # for the spacing to form
        # the point of the arrow
        for j in range(1, i): 
          
            print(" ", end="")
          
        # for printing the star(*)
        for j in range(1, i+1): 
          
            print("*", end="")
          
        print()
   
# driver code
# get the value from the user
n = 5
       
# function calling
arrow(n)
  
# This code is contributed 
# by Anant Agarwal.

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C#

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// C# Implementation to
// print the above pattern
using System;
  
class GFG {
  
// arrow function 
static void arrow(int n)
{
    // Prints the upper part of the arrow
    for (int i = 1; i <= n; i++) 
    {
        // for the spacing to form
        // the point of the arrow
        for (int j = i; j < n; j++) 
        {
            Console.Write(" ");
        }
          
        // for printing the star(*)
        for (int j = i; j <= n; j++) 
        {
            Console.Write("*");
        }
              
           Console.WriteLine();
    }
      
    // Prints lower part of the arrow
    for (int i = 2; i <= n; i++)
    {
        // for the spacing to form
        // the point of the arrow
        for (int j = 1; j < i; j++) 
        {
            Console.Write(" ");
        }
          
        // for printing the star(*)
        for (int j = 1; j <= i; j++) 
        {
            Console.Write("*");
        }
         Console.WriteLine();
    }
}
  
// driver code
public static void Main() {
      
    // get the value from user
    int n = 5;
      
    // function calling
    arrow(n);
}
}
  
// this code is contributed by 'vt_m'

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PHP

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<?php
// PHP Implementation to print
// the pattern
  
function arrow($n)
{
    // Prints the upper part of 
    // the arrow
    for ($i = 1; $i <= $n; $i++) 
    {
        // for the spacing to form
        // the point of the arrow
        for ($j = $i; $j < $n; $j++) 
        {
            echo " ";
        }
          
        // for printing the star(*)
        for ($j = $i; $j <= $n; $j++) 
        {
            echo "*";
        }
        echo "\n";
    }
      
    // Prints lower part of the arrow
    for ($i = 2; $i <= $n; $i++)
    {
        // for the spacing to form
        // the point of the arrow
        for ($j = 1; $j < $i; $j++) 
        {
            echo " ";
        }
          
        // for printing the star(*)
        for ($j = 1; $j <= $i; $j++) 
        {
            echo "*";
        }
        echo "\n";
    }
}
  
// Driver code
$n = 5;
arrow($n);
  
// This code is contributed by mits
?>

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Output :

    *****
   ****
  ***
 **
*
 **
  ***
   ****
    *****


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Improved By : Mithun Kumar