Interesting Alphabets Pattern

 

Pattern for N = 5
E
DE
CDE
BCDE
ABCDE
import java.util.Scanner;
public class Solution {
	public static void main(String[] args) {
		
        Scanner sc = new Scanner(System.in);
	int n = sc.nextInt();
	
	for(int i=n; i>=1;i--)
	{ 
		char c = (char)('A' + i - 1);
		for(int j=i ;j<=n;j++)
		{
			
			System.out.print(c);
                        c = (char)(c + 1);
		}
		System.out.println();
	}
	}
}

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