题解 | 字符串分隔

import java.util.Scanner;

// 注意类名必须为 Main, 不要有任何 package xxx 信息
public class Main {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        String str = in.nextLine();
        StringBuilder ans = new StringBuilder();
        ans.append(str);
        int n = ans.length();
        if (n % 8 != 0) {
            int num = n % 8;
            for (int i = 0; i < 8 - num; i++) {
                ans.append("0");
            }
        }
        char[] charArray = ans.toString().toCharArray();
        int n1 = ans.length();
        for (int i = 0; i < n1; i++) {
            if (i % 8 != 0) {
                System.out.print(charArray[i]);
            } else {
                if (i != 0) {
                    System.out.println();
                }
                System.out.print(charArray[i]);
            }
        }

    }
}