ABACABA
import java.util.Scanner; public class Main_FJ { public static char[] c = {‘A‘,‘B‘,‘C‘,‘D‘,‘E‘,‘F‘,‘G‘,‘H‘,‘I‘,‘J‘,‘K‘,‘L‘,‘M‘,‘N‘,‘O‘,‘P‘,‘Q‘,‘R‘,‘S‘,‘T‘,‘U‘,‘V‘,‘W‘,‘X‘,‘Y‘,‘Z‘}; public static void main(String[] args){ Scanner scan = new Scanner(System.in); int n=scan.nextInt(); print(n); } private static void print(int n){ if(n == 1){ System.out.print("A"); } else{ print(n - 1); System.out.print(c[n - 1]); print(n - 1); } } }
蓝桥杯 算法设计_7 FJ的字符串,布布扣,bubuko.com
原文:http://blog.csdn.net/session2me/article/details/21107721