[BASIC-22] FJ的字符串

import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner scanner = new Scanner(System.in);

		while (scanner.hasNext()) {
			int n = scanner.nextInt();

			System.out.println(getAn(n));
		}
	}

	private static String getAn(int i) {
		if (i == 1) {
			return String.valueOf((char) (64 + i));
		}
		return getAn(i - 1) + String.valueOf((char) (64 + i)) + getAn(i - 1);
	}
}

[BASIC-22] FJ的字符串,布布扣,bubuko.com

[BASIC-22] FJ的字符串

原文：http://blog.csdn.net/u011506951/article/details/26598383