Pattern 124

C

#include<stdio.h>


int main()
{
  int n=5;  // size
  int i,j,k;


  for(i=n-1; i>=0; i--)
  {
    for(j=n-1; j>i; j--)
    {
      printf(" ");
    }
    for(k=0; k<=i; k++)
    {
      printf("%c",i+65); // 65 -> ASCII of 'A'
    }
    printf("\n");
  }

  return 0;
}

C++

 #include<iostream.h>
 

 int main()
 { 
  int n=5;  // size
  int i,j,k;
  
   
  for(int i =n-1;i>=0;i--)
  {
   for(int j =n-1;j>i;j--)
   {
    cout<<" ";
   }
   for(int k =0;k<=i;k++)
   {
    cout<<(char)(i+65); // 65 -> ASCII of 'A'
   }
   cout<<endl;
  }

return 0;
}

Java

   class PatternProg
   {
    public static void main(String args[])
    {
     int n = 5; // size
  
     for (int i = n - 1;i >= 0;i--)
     {
      for (int j = n - 1;j > i;j--)
      {
      System.out.print(" ");
      }
      for (int k = 0;k <= i;k++)
      {
      System.out.print((char)(i + 65));
      }
      System.out.println();
     }

   
    }
}

C#

using System;

class PatternProg
{
  public static void Main()
  {
    int n = 5; // size

    for (int i = n - 1; i >= 0; i--)
    {
      for (int j = n - 1; j > i; j--)
      {
        Console.Write(" ");
      }
      for (int k = 0; k <= i; k++)
      {
        Console.Write((char)(i + 65));
      }
      Console.WriteLine();
    }
    Console.ReadKey(true);

  }
}

Python

for x in range(5, 0, -1):
    for y in range(x, 5):
        print(" ", end="")
    for z in range(0, x):
        print(chr(x + 64), end="")
    print()