题解 | #字符串加密#

import java.util.*;

public class Main {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        String k = in.nextLine();
        String p = in.nextLine();
        LinkedHashSet<Character> set = new LinkedHashSet<>();
        for (char c : k.toCharArray()) {
            set.add(c);
        }
        for (int i = 0; i < 26; i++) {
            set.add((char) ('a' + i));
        }
        HashMap<Character, Character> map = new HashMap<>();
        int i = 0;
        for (Character c : set) {
            map.put((char) ('a' + i), c);
            i++;
        }
        for (char c : p.toCharArray()) {
            System.out.print(map.get(c));
        }
    }

}