基础练习 字母图形

Problem:

基础练习 字母图形

AcCode:

 

import java.util.Scanner;

public class BASIC_3 {
	public static void main(String[] args) {
		Scanner in = new Scanner(System.in);
		int n = in.nextInt();
		int m = in.nextInt();
		for (int i = 1; i <= n; i++) {
			int length = 0;
			for (int j = i-1; j >0 && length<m; j--) {
				System.out.print((char)(65+j));
				length++;
			}
			for (int j = 0; j < m && length<m; j++) {
				System.out.print((char)(65+j));
				length++;
			}
			System.out.println();
		}
	}
}