NC16644字符串的展开

import java.util.Scanner;

public class Main {
    public static void main(String []args){
        Scanner sc = new Scanner(System.in);
        int p1 = sc.nextInt();
        int p2 = sc.nextInt();
        int p3 = sc.nextInt();
        String kong = sc.nextLine();
        String str1 = sc.nextLine();
        for(int i = 1;i<str1.length()-1;i++){
            char ch1 = str1.charAt(i);
            if(ch1=='-'){
                String str2 = fun(p1, p2, p3, str1.charAt(i-1), str1.charAt(i+1));
                str1 = str1.substring(0, i)+str2+str1.substring( i+1,str1.length());
            }
        }
        System.out.println(str1);
    }
    public static String fun(int p1,int p2,int p3,char ch1,char ch2){
        if((int)ch1>=97&&(int)ch1<=122&&(int)ch2>=97&&(int)ch2<=122){
            if((int)ch2<=(int)ch1){
                return "-";
            }else{
                String str1 = "";
                if(p1==3){
                 for(int i=(int)ch1+1;i<(int)ch2;i++){
                        for(int j = 0;j<p2;j++){
                            str1+="*";
                        }
                    } 
                    return str1;
                }
                    if(p3==1){
                    for(int i=(int)ch1+1;i<(int)ch2;i++){
                        for(int j = 0;j<p2;j++){
                            str1+=(char)i;
                        }
                    }
                }else{
                    for(int i=(int)ch2-1;i>=(int)ch1+1;i--){
                        for(int j = 0;j<p2;j++){
                            str1+=(char)i;
                        }
                    }
                }
                if(p1==1)   return str1;
                else    return str1.toUpperCase();
                
``` js

        }
    }else if((int)ch1>=48&&(int)ch1<=57&&(int)ch2>=48&&(int)ch2<=57){
        if((int)ch2<=(int)ch1){
            return "-";
        }else{
            String str1 = "";
            if(p1==3){
                for(int i=(int)ch1+1;i<(int)ch2;i++){
                    for(int j = 0;j<p2;j++){
                        str1+="*";
                    }
                }
                return str1;
            }
                if(p3==1){
                for(int i=(int)ch1+1;i<(int)ch2;i++){
                    for(int j = 0;j<p2;j++){
                        str1+=(char)i;
                    }
                }
            }else{
                for(int i=(int)ch2-1;i>=(int)ch1+1;i--){
                    for(int j = 0;j<p2;j++){
                        str1+=(char)i;
                    }
                }
            }

            
            return str1;
    }
    
}
return "-";

} }