Java-DSA-L1/printencoding.java at main · Daksh7112003/Java-DSA-L1 · GitHub

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import java.util.*;

public class printencoding{
public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    String str = sc.next();
printEncoding(str, "");
}
public static void printEncoding(String ques,String asf){
    if(ques.length()==0){
        System.out.println(asf);
        return;

    }
    else if(ques.length()==1){
        char ch= ques.charAt(0);
        if(ch=='0'){
            return;

        }
        else{
            int chv= ch-'0';
            char code =(char)('a'+chv-1);
            asf =asf+code;
            System.out.println(asf);
        }
    }
    else{
        char ch= ques.charAt(0);
        String roq= ques.substring(1);
        if(ch=='0'){
            return;

        }
        else{
            int chv= ch-'0';
            char code= (char)('a'+chv-1);
            printEncoding(roq, asf+code);

        }
        String ch12=ques.substring(0,2);
        String roq12=ques.substring(2);
        int ch12v=Integer.parseInt(ch12);
        if(ch12v<=26){
            char code=(char)('a'+ch12v-1);
            printEncoding(roq12, asf+code);
        }


    }


}
}