Leimasin

import java.util.Scanner;
public class main {

    public static void main(String[] args) {



        Scanner reader = new Scanner(System.in);

        char[] a = reader.nextLine().toCharArray();
        char[] b = reader.nextLine().toCharArray();
        char[] c = new char[a.length];

        int[] lista = new int[a.length+50];
        int stamp=0;
        int q;
        int i;
        int d;


        q=0;

        if(a[0] != b[0] || a[a.length-1] != b[b.length-1]){
            System.out.println("-1");
            System.exit(0);
        }

        while(q <= a.length-b.length){

            if(a[q] == b[0]){
                i=0;
                while(i<b.length && a[q+i]==b[i]){
                    i++;
                }
                if(i == b.length){
                    lista[stamp]=q;
                    stamp++;
                    i=0;
                    while(i<b.length){
                        a[q+i]='.';
                        i++;
                    }
                }
            }
            q++;
        }

        int or = stamp-1;
        d=stamp-1;

        while(d > 0 ){
            q=lista[d];
            while(q >= lista[d-1]){
                if (a[q] != '.' && a[q] != c[q]){
                    i=0;
                    while(b[i] != a[q]){
                        i++;
                        if(i==b.length || q-i < 0){
                            System.out.println("-1");
                            System.exit(0);
                        }
                    }
                    lista[stamp]=q-i;
                    stamp++;
                }
            q--;
            }
            d--;

        }
        q=lista[0];
        while(q >= 0){
            if (a[q] != '.' && a[q] != c[q]){
                i=0;
                while(b[i] != a[q]){
                    i++;
                    if(i==b.length || q-i < 0){
                        System.out.println("-1");
                        System.exit(0);
                    }
                    lista[stamp]=q-i;
                    stamp++;
                }
            }

            q--;
        }
        q=lista[or];
        while(q < a.length){
            if (a[q] != '.' && a[q] != c[q]){
                i=b.length-1;
                while(b[i] != a[q]){
                    i--;
                    if(i==0 || q-i > b.length){
                        System.out.println("-1");
                        System.exit(0);
                    }
                }
                lista[stamp]=q-i;
                stamp++;
            }

            q++;
        }

        System.out.println(stamp+1);
        while(stamp >= 0 ){
            System.out.println(lista[stamp]+1);
            stamp--;
        }
    }
}

Test 1

Group: 1

Verdict: ACCEPTED

Test 2

Group: 1

Verdict: ACCEPTED

Test 3

Group: 1

Verdict: ACCEPTED

Test 4

Group: 1

Verdict: ACCEPTED

Test 5

Group: 1

Verdict: ACCEPTED

Test 6

Group: 1

Verdict: ACCEPTED

Test 7

Group: 1

Verdict: ACCEPTED

Test 8

Group: 1

Verdict: WRONG ANSWER

Test 9

Group: 1

Verdict: ACCEPTED

Test 10

Group: 1

Verdict: ACCEPTED

Test 11

Group: 1

Verdict: WRONG ANSWER

Test 12

Group: 1

Verdict: RUNTIME ERROR

Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: -1
	at main.main(main.java:88)

Test 13

Group: 1

Verdict: WRONG ANSWER

Test 14

Group: 1

Verdict: ACCEPTED

Test 15

Group: 2

Verdict: ACCEPTED

Test 16

Group: 2

Verdict: WRONG ANSWER

Test 17

Group: 2

Verdict: WRONG ANSWER

Test 18

Group: 2

Verdict: ACCEPTED

Test 19

Group: 2

Verdict: ACCEPTED

Test 20

Group: 2

Verdict: ACCEPTED

Test 21

Group: 2

Verdict: WRONG ANSWER

Test 22

Group: 2

Verdict: ACCEPTED

Test 23

Group: 2

Verdict: ACCEPTED

Test 24

Group: 2

Verdict: ACCEPTED

Test 25

Group: 2

Verdict: ACCEPTED

Test 26

Group: 2

Verdict: RUNTIME ERROR

Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: -1
	at main.main(main.java:88)

Test 27

Group: 2

Verdict: ACCEPTED

Test 28

Group: 2

Verdict: ACCEPTED

Test 29

Group: 3

Verdict: ACCEPTED

Test 30

Group: 3

Verdict: WRONG ANSWER

Test 31

Group: 3

Verdict: WRONG ANSWER

Test 32

Group: 3

Verdict: ACCEPTED

Test 33

Group: 3

Verdict: ACCEPTED

Test 34

Group: 3

Verdict: ACCEPTED

Test 35

Group: 3

Verdict: WRONG ANSWER

Test 36

Group: 3

Verdict: WRONG ANSWER

Test 37

Group: 3

Verdict: ACCEPTED

Test 38

Group: 3

Verdict: ACCEPTED

Test 39

Group: 3

Verdict: RUNTIME ERROR

Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: 1050
	at main.main(main.java:81)

Test 40

Group: 3

Verdict: ACCEPTED

Test 41

Group: 3

Verdict: ACCEPTED

Test 42

Group: 3

Verdict: ACCEPTED