Pattern 90

#include<stdio.h>

int main()
{
  int i,j;

  for(i=0; i<=4; i++)
  {
    for(j=4; j>=i; j--)
    {
      printf("%c",j+65);
    }
    printf("\n");
  }
  return 0;
}

 #include<iostream.h>
 
 int main()
 {
 int i,j;
 
 for(int i =0;i<=4;i++)
 {
 for(int j =4;j>=i;j--)
 {
 cout<<(char)(j+65);
 }
 cout<<endl;
 }
 return 0;
 }

  class PatternProg
  {
    public static void main(String args[])
    {

    for (int i = 0;i <= 4;i++)
    {
    for (int j = 4;j >= i;j--)
    {
    System.out.print((char)(j + 65));
    }
    System.out.println();
    }
    
    }
}

using System;

class PatternProg
{
  public static void Main()
  {

    for (int i = 0; i <= 4; i++)
    {
      for (int j = 4; j >= i; j--)
      {
        Console.Write((char)(j + 65));
      }
      Console.WriteLine();
    }
    Console.ReadKey(true);
  }
}

for x in range(0, 5):
    for y in range(4, x - 1, -1):
        print(chr(y + 65), end="")
    print()