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## Discussion of Problem 1654. Cipher Message

WA2
Posted by DenisBordachkov 15 Feb 2019 02:29
import java.util.Scanner;

public class T1654 {
public static char[] arr;
public static String out = "";
public static void main(String[] args) {
// TODO Auto-generated method stub
Scanner sc = new Scanner(System.in);
String inp = sc.next();
sc.close();
arr = new char[inp.length()];
arr = inp.toCharArray();
format();
if(out != "") {
System.out.println(out);
} else {
System.out.println("");
}

}

public static void format() {
boolean isFormat = false;
int l = arr.length;
for(int i = 0; i< l-1; i++) {
if(arr[i] == arr[i+1]) {
arr[i] = 0;
arr[i+1] = 0;
isFormat = true;
} else if(arr[i] != arr[i+1] & arr[i] != 0){
out += arr[i];
}
}
out+= arr[arr.length-1];
if(isFormat == true) {
arr = new char[out.length()];
arr = out.toCharArray();
out = "";
format();
}
}

}