PAL4_23-11_newVersion

package pal;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;

public class Main {

    static public int countBelts; // belts are labeled 0:countBelts-1
    static public int countSegment; //labeled by chars a-z, Segment in 1 disk
    static public int countDisk; // count disks in one belt
    static public String[] belts;
    static public String[] beltsGroups;
    static public ArrayList<String> beltsUnique;
    static public ArrayList<String> disks;
    static public int countGroups;

    public static void main(String[] args) throws IOException {

        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        String[] in = br.readLine().split(" ");
        countBelts = Integer.parseInt(in[0]);
        countSegment = Integer.parseInt(in[1]);
        countDisk = Integer.parseInt(in[2]);
        belts = new String[countBelts];
        beltsUnique = new ArrayList<>();
        disks = new ArrayList<>();
        beltsGroups = new String[countBelts];
        countGroups = -1;
        String belt, group;
        for (int i = 0; i < countBelts; i++) {
            in = br.readLine().split(" ");
            belt = createBeltofDiskIndex(in);
            belts[i] = belt;
        }

        for (int i = 0; i < countBelts; i++) {
            belt = createBeltGroupsofBeltIndex(belts[i]);
            if(beltsGroups[countGroups] == null) {beltsGroups[countGroups] = "";}
             beltsGroups[countGroups] += belt;
           //   System.out.print("belt " + belt + " " + beltsGroups[countGroups] + " ");
        }


          for (int i = 0; i < countGroups+1; i++) {
               System.out.print(beltsGroups[i] + " ");
          }



    }

    public static String createBeltofDiskIndex(String[] strArr) {
        Integer indexOfSegment;
        String disk;
        String belt = "";
        for (int j = 1; j <= countDisk; j++) {
            disk = strArr[j];
            //   System.out.println("disk " +disk);
            indexOfSegment = indexOfexistingDisk(disk);
            if (indexOfSegment >= 0) { //vzor jiz existuje
                belt += indexOfSegment.toString() + " ";
            } else //vzor neexistuje, pridame ho do listu a vratime si jeho index
            {
                disks.add(disk + disk);
                indexOfSegment = disks.indexOf(disk + disk);
                belt += indexOfSegment.toString() + " ";
            }
        }
        return belt;
    }

    public static String createBeltGroupsofBeltIndex(String belt) {
        Integer indexOfSegment;
        String beltUniq = "";
        indexOfSegment = indexOfexistingBelt(belt);
        if (indexOfSegment >= 0) { //pasek jiz existuje
            beltUniq = indexOfSegment.toString() + " ";
        } else //vzor pasku neexistuje, pridame ho do listu a vratime si jeho index
        {
            beltsUnique.add(belt + belt);
            indexOfSegment = beltsUnique.indexOf(belt + belt);
            beltUniq = indexOfSegment.toString() + " ";
            countGroups++;
        }
        return beltUniq;
    }

    public static int indexOfexistingDisk(String disk) {
        if (disks.isEmpty()) {
            return -1;
        } else {
            for (String s : disks) {
                if (checkRotation(s, disk) || checkRotation(s, flip(disk))) {
                    return disks.indexOf(s);
                }
            }
        }
        return -1;
    }

    public static int indexOfexistingBelt(String belt) {
        if (beltsUnique.isEmpty()) {
            return -1;
        } else {
            for (String s : beltsUnique) {
                if (checkRotation(s, belt) || checkRotation(s, flip(belt))) {
                    return beltsUnique.indexOf(s);
                }
            }
        }
        return -1;
    }

    public static boolean checkRotation(String s1, String s2) {
        //vrati true, kdyz string1 obsahuje string 2
        if ((s1.length() == 2 * s2.length()) && (s1.contains(s2))) {
            return true;
        } else {
            return false;
        }
    }

    //zrcadleni
    public static String flip(String s1) {
        StringBuilder str = new StringBuilder(s1);
        return str.reverse().toString();
    }


}