Bittipeli

import java.util.ArrayList;
import java.util.List;

public class Bites4 {
	public static List<Character> clean(List<Character> input) {
		List<Character> output = new ArrayList<Character>();
		char dominant = '-';
		
		for(int i = 0; i < input.size()-1; i++) {
			if(input.get(i) != dominant) {
				dominant = input.get(i);
				output.add(dominant);
				
				if(input.get(i+1) == dominant)
					output.add(dominant);
			}
		}
		
		if(input.get(input.size()-1) != input.get(input.size()-2))
			output.add(input.get(input.size()-1));
		
		return output;
	}
	
	public static int howManyth(List<Character> input, int point) {
		int result = 0;
		char dominant = '-';
		
		for(int i = 0; i < point; i++) {
			if(input.get(i) != dominant && input.get(i) == input.get(i+1))
				result++;
		}
		
		return result;
	}
	
	public static int getAmount(List<Character> input) {
		int result = 0;
		char dominant = '-';
		
		for(int i = 0; i < input.size(); i++) {
			if(input.get(i) != dominant) {
				dominant = input.get(i);
				result++;
			}
		}
		
		return result;
	}
	
	public static int getMiddle(List<Character> input) {
		int midCount = getAmount(input) / 2, result = 0;
		char dominant = '-';
		
		for(int i = 0; i < input.size()-1; i++) {
			result++;
			if(input.get(i) != dominant) {
				dominant = input.get(i);
				midCount--;
				if(midCount < 0) return result;
			}
		}
		
		return -1;
	}
	
	public static void main(String[] args) {
		IO oi = new IO();
		char[] input = oi.next().toCharArray();
		List<Character> bits = new ArrayList<Character>();
		char dominant = '-';
		
		for(int i = 0; i < input.length-1; i++) {
			if(input[i] != dominant) {
				dominant = input[i];
				bits.add(dominant);
				if(input[i+1] == dominant)
					bits.add(dominant);
			}
		}
		
		if(input[input.length-1] != input[input.length-2])
			bits.add(input[input.length-1]);
		
		int half;
		boolean qaq;
		
		String operations = "";
		int operationCount = 0;
		
		while(bits.size() > 3) {
			half = getMiddle(bits);
			qaq = true;
			
			for(int i = 0; i < half-1; i++) {
				if(half+i+1 < bits.size() && bits.get(half+i) == bits.get(half+i+1)) {
					operationCount++;
					operations += howManyth(bits, half+1) + " ";
					
					bits.remove(half+i);
					bits.remove(half+i);
					
					qaq = false;
					break;
				} else if(bits.get(half-i) == bits.get(half-i-1)) {
					operationCount++;
					operations += howManyth(bits, half-i) + " ";
					
					bits.remove(half-i-1);
					bits.remove(half-i-1);
					
					qaq = false;
					break;
				}
			}
			
			if(qaq) {
				oi.println("QAQ");
				oi.close();
				return;
			}
			
			bits = clean(bits);
		}
		
		if(bits.size() == 3) {
			if(bits.get(0) == bits.get(1) && bits.get(1) == bits.get(2)) {
				operations += "1";
				operationCount++;
			} else {
				oi.println("QAQ");
				oi.close();
				return;
			}
		} else if(bits.size() == 2) {
			if(bits.get(0) == bits.get(1)) {
				operations += "1";
				operationCount++;
			} else {
				oi.println("QAQ");
				oi.close();
				return;
			}
		} else if(bits.size() == 1) {
			oi.println("QAQ");
			oi.close();
			return;
		}
		
		oi.println(operationCount);
		oi.println(operations);
		oi.close();
	}
}

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: ACCEPTED

Test 9

Group: 1

Verdict: ACCEPTED

Test 10

Group: 1

Verdict: ACCEPTED

Test 11

Group: 1

Verdict: ACCEPTED

Test 12

Group: 1

Verdict: ACCEPTED

Test 13

Group: 1

Verdict: ACCEPTED

Test 14

Group: 1

Verdict: ACCEPTED

Test 15

Group: 1

Verdict: ACCEPTED

Test 16

Group: 1

Verdict: ACCEPTED

Test 17

Group: 1

Verdict: ACCEPTED

Test 18

Group: 1

Verdict: ACCEPTED

Test 19

Group: 1

Verdict: ACCEPTED

Test 20

Group: 1

Verdict: ACCEPTED

Test 21

Group: 2

Verdict: ACCEPTED

Test 22

Group: 2

Verdict: ACCEPTED

Test 23

Group: 2

Verdict: WRONG ANSWER

Test 24

Group: 2

Verdict: ACCEPTED

Test 25

Group: 2

Verdict: ACCEPTED

Test 26

Group: 2

Verdict: ACCEPTED

Test 27

Group: 2

Verdict: ACCEPTED

Test 28

Group: 2

Verdict: ACCEPTED

Test 29

Group: 2

Verdict: ACCEPTED

Test 30

Group: 2

Verdict: ACCEPTED

Test 31

Group: 2

Verdict: ACCEPTED

Test 32

Group: 2

Verdict: ACCEPTED

Test 33

Group: 2

Verdict: ACCEPTED

Test 34

Group: 2

Verdict: WRONG ANSWER

Test 35

Group: 2

Verdict: ACCEPTED

Test 36

Group: 2

Verdict: ACCEPTED

Test 37

Group: 2

Verdict: ACCEPTED

Test 38

Group: 2

Verdict: ACCEPTED

Test 39

Group: 2

Verdict: ACCEPTED

Test 40

Group: 2

Verdict: ACCEPTED

Test 41

Group: 3

Verdict: ACCEPTED

Test 42

Group: 3

Verdict: WRONG ANSWER

Test 43

Group: 3

Verdict: ACCEPTED

Test 44

Group: 3

Verdict: ACCEPTED

Test 45

Group: 3

Verdict: ACCEPTED

Test 46

Group: 3

Verdict: ACCEPTED

Test 47

Group: 3

Verdict: ACCEPTED

Test 48

Group: 3

Verdict: ACCEPTED

Test 49

Group: 3

Verdict: ACCEPTED

Test 50

Group: 3

Verdict: ACCEPTED

Test 51

Group: 3

Verdict: ACCEPTED

Test 52

Group: 3

Verdict: ACCEPTED

Test 53

Group: 3

Verdict: ACCEPTED

Test 54

Group: 3

Verdict: ACCEPTED

Test 55

Group: 3

Verdict: ACCEPTED

Test 56

Group: 3

Verdict: ACCEPTED

Test 57

Group: 3

Verdict: ACCEPTED

Test 58

Group: 3

Verdict: ACCEPTED

Test 59

Group: 3

Verdict: ACCEPTED

Test 60

Group: 3

Verdict: WRONG ANSWER

Test 61

Group: 4

Verdict: ACCEPTED

Test 62

Group: 4

Verdict: ACCEPTED

Test 63

Group: 4

Verdict: ACCEPTED

Test 64

Group: 4

Verdict: ACCEPTED

Test 65

Group: 4

Verdict: ACCEPTED

Test 66

Group: 4

Verdict: ACCEPTED

Test 67

Group: 4

Verdict: ACCEPTED

Test 68

Group: 4

Verdict: ACCEPTED

Test 69

Group: 4

Verdict: ACCEPTED

Test 70

Group: 4

Verdict: ACCEPTED

Test 71

Group: 4

Verdict: ACCEPTED

Test 72

Group: 4

Verdict: ACCEPTED

Test 73

Group: 4

Verdict: ACCEPTED

Test 74

Group: 4

Verdict: ACCEPTED

Test 75

Group: 4

Verdict: ACCEPTED

Test 76

Group: 4

Verdict: TIME LIMIT EXCEEDED

Test 77

Group: 4

Verdict: TIME LIMIT EXCEEDED

Test 78

Group: 4

Verdict: TIME LIMIT EXCEEDED

Test 79

Group: 4

Verdict: TIME LIMIT EXCEEDED

Test 80

Group: 4

Verdict: TIME LIMIT EXCEEDED