题解 | 字符串加密
字符串加密
https://www.nowcoder.com/practice/e4af1fe682b54459b2a211df91a91cf3?tpId=37&tqId=21259&rp=1&ru=/exam/oj/ta&qru=/exam/oj/ta&sourceUrl=%2Fexam%2Foj%2Fta%3FtpId%3D37&difficulty=undefined&judgeStatus=undefined&tags=&title=
import java.util.*;
// 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 s = in.nextLine();
String t = in.nextLine();
char[] charArray1 = s.toCharArray();
Set<Character> set = new HashSet<>();
StringBuilder sb = new StringBuilder();
StringBuilder result = new StringBuilder();
for(char c : charArray1){
if(set.add(c)){
sb.append(c);
}
}
for(int i = 0;i <26;i++){
char x = (char) ('a'+i);
if(sb.indexOf(x+"") < 0){
sb.append(x);
}
}
for(int i = 0;i < t.length();i++){
int index = t.charAt(i)-'a';
result.append(sb.charAt(index));
}
System.out.println(result);
}
}
