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Print_Encodings.java
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Print_Encodings.java
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package Hard;
import java.util.Scanner;
public class Print_Encodings {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
String str = sc.next();
print_Encodings(str, "");
}
private static void print_Encodings(String str, String s) {
if(str.length() == 0){
System.out.println(s);
return ;
}
else if(str.length() == 1){
char ch = str.charAt(0);
if(ch == '0'){
return;
}
else{
int val = ch - '0';
char valInChar = (char) ('a'+val-1);
str = str.substring(1);
print_Encodings(str, s+valInChar);
}
}
else{
char ch = str.charAt(0);
if(ch == '0'){
return ;
}
int val = ch - '0';
char valInChar = (char) ('a'+val-1);
print_Encodings(str.substring(1), s+valInChar);
String ss = str.substring(0,2);
int tt = Integer.parseInt(ss);
char valInChar12 = (char) ('a'+tt-1);
print_Encodings(str.substring(2),s+valInChar12);
}
}
}