题解 | #简单密码#

//JAVA 暴力解法 体力活

import java.util.*;

//知识点在于把大写字符变成对应的小写字母且往后挪一位
//小写字母比大写字母ASCII码相差32，注意将大写字母'Z'单独进行处理
public class Main{
    public static void  main(String[] args){
        Scanner scanner = new Scanner(System.in);
        while(scanner.hasNext()){
            String pswStr =scanner.nextLine();
            char[] ch = pswStr.toCharArray();
            for(int i =0;i<pswStr.length();i++){
                 if(ch[i]>='a' && ch[i]<='c'){
                    System.out.print(2);
                }else if(ch[i]>='d' && ch[i]<='f'){
                    System.out.print(3);
                }else if(ch[i]>='g' && ch[i]<='i'){
                    System.out.print(4);
                }else if(ch[i]>='j' && ch[i]<='l'){
                    System.out.print(5);
                }else if(ch[i]>='m' && ch[i]<='o'){
                    System.out.print(6);
                }else if(ch[i]>='p' && ch[i]<='s'){
                    System.out.print(7);
                }else if(ch[i]>='t' && ch[i]<='v'){
                    System.out.print(8);
                }else if(ch[i]>='w' && ch[i]<='z'){
                    System.out.print(9);
                }else if(ch[i]>='A' && ch[i]<='Y'){
                    System.out.print((char)(ch[i]+33));
                }else if(ch[i]=='Z'){
                    System.out.print('a');
                }else if(ch[i]>='0' && ch[i]<='9'){
                    System.out.print(ch[i]);
                }
            }
            System.out.println();
        }
    }
}