Bittipeli

/**
 * Created by Frans on 11.10.2015.
 */
public class Bitti {

    static int[] jono;
    static int[] poisto;
    static int pituus;
    static int poistoPituus;
    static String vastaus;
    static boolean possibleWhole;

    static int sarjaTaulukko[];
    static int lyhytBitti;


    public static void main(String[] args) {
        IO io = new IO();

        final char[] line = io.next().toCharArray();
        int length = line.length;

        jono = new int[length+1];
        //poisto = new int[length+10];

        int vanha = 0;
        int vanhaTmp = 0;
        pituus = 0;
        poistoPituus = 0;
        vastaus = "";

        String vastaus2 = "";
        possibleWhole = true;

        boolean poistettu = false;

        int[][] yksinainen = {{0,0},{0,0}};
        int[] yksinainenMaara = {0,0};
        int[][] yksinainenLyhytBitti = {{0,0},{0,0}};

        lyhytBitti =0;
        sarjaTaulukko = new int[length+1];

        stillPossible:
        {

            for (int i = 1; i <= length; i++) {

                int tmpNyt = (int) (line[i - 1]) - 48; // 0 tai 1
                int nyt = tmpNyt * 2 - 1; // -1,-2 tai 1,2


                if (nyt + vanha == 2 || nyt + vanha == -2) {
                    jono[pituus] = nyt * 2;
                } else {

                    //yksinainen loydetty
                    if (jono[pituus]*jono[pituus] == 1){

                        lyhytBitti ++;
                        sarjaTaulukko[pituus] = pituus-lyhytBitti;

                        int yksNyt = 1 - tmpNyt; //vastakkainen kuin nyt
                        yksinainen[yksNyt][yksinainenMaara[yksNyt]]=pituus+1;
                        yksinainenMaara[yksNyt] ++;

                        if (yksinainenMaara[yksNyt] == 2){
                            if (!valiRatkaisu(yksinainen[yksNyt][0], (pituus-1))) {
                                possibleWhole = false;
                                break stillPossible;
                            }
                            jono[pituus -1] = jono[pituus - 1] * 2;
                            pituus = pituus - 1;
                            yksinainenMaara[yksNyt] = 0;
                            lyhytBitti = pituus-sarjaTaulukko[yksinainen[yksNyt][0]-1]-1;
                            //jos yksinainen oli loydetty poistetusta alueesta
                            if (yksinainen[tmpNyt][0]>=yksinainen[yksNyt][0]){
                                yksinainenMaara[tmpNyt] = 0;
                            }
                        }
                    }

                    pituus++;
                    jono[pituus] = nyt;

                }
            /*
            if (pituus >= 3) {

                //lyhmmin patkan poisto
                if (jono[pituus - 2] + jono[pituus - 1] + jono[pituus] == 0) { // 1, -2, 1 or -1, 2, -1
                    poistoPituus++;
                    vastaus = vastaus + (pituus - 1) + " ";
                    jono[pituus - 2] = jono[pituus - 2] * 2;
                    pituus = pituus - 2;
                    poistettu = true;
                }
            }
            */
                vanha = nyt;
                vanhaTmp = tmpNyt;
                sarjaTaulukko[pituus] = pituus-lyhytBitti;
            }

            //silmukan viimeinen lasketaan yksinaiseksi, jos on pariton maara
            if (yksinainenMaara[vanhaTmp]==1){
                if (!valiRatkaisu(yksinainen[vanhaTmp][0], (pituus-1))) {
                    possibleWhole = false;
                    break stillPossible;
                }
                jono[pituus -1] = jono[pituus - 1] * 2;
                pituus = pituus - 1;
                lyhytBitti = pituus-sarjaTaulukko[yksinainen[vanhaTmp][0]-1]-1;
            }

            possibleWhole = valiRatkaisu(1, pituus);

        }

        if (possibleWhole){
            io.println(poistoPituus);
            io.println(vastaus);
        }else{
            int A = 8;
            while(A>0){
                 A += Math.sqrt(A);
            }
            io.println("QAQ");
        }

        //io.println(line);
        io.close();


    }


    private static boolean valiRatkaisu(int start, int end){

        int length = end-start+1;
        int[] valiJono = new int[length+1];
        System.arraycopy(jono,start,valiJono,1,length);
        System.arraycopy(jono,end+1,jono,start,pituus-end);
        pituus -= length;

        int poistetutSarjat = 0;

        boolean possible = true;
        for(int i=3; i<=length; i++){
            int a = Math.abs(valiJono[i-1]);
            int b = Math.abs(valiJono[i]+valiJono[i-2]);
            if (Math.abs(valiJono[i-1])==2 && Math.abs(valiJono[i]+valiJono[i-2])==3 ){  // 1, -2, 2 or -2, 2, -1
                poistoPituus ++;
                vastaus = vastaus +(sarjaTaulukko[start+i-2-poistetutSarjat])+ " ";
                System.arraycopy(valiJono,i+1,valiJono,i-1,length-i);
                valiJono[i-2] = -valiJono[i-1]; //muutetaan se arvoksi 2
                //valiJono[length-2] = valiJono[length-2] * 2;
                i = i -2;
                length = length -2;
                poistetutSarjat ++;
            }
        }

        for (int i=1; i<=length; i++){
            if(Math.abs(valiJono[i]) == 1){ //yksinainen 1 jaljella
                possible = false;
                break;
            }else{
                poistoPituus ++;
                vastaus = vastaus +(sarjaTaulukko[start-1]+1)+ " ";
            }

        }

        return possible;
    }



}

Test 1

Group: 1

Verdict: TIME LIMIT EXCEEDED

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: TIME LIMIT EXCEEDED

Test 18

Group: 1

Verdict: ACCEPTED

Test 19

Group: 1

Verdict: ACCEPTED

Test 20

Group: 1

Verdict: TIME LIMIT EXCEEDED

Test 21

Group: 2

Verdict: TIME LIMIT EXCEEDED

Test 22

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Verdict: ACCEPTED

Test 23

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Verdict: ACCEPTED

Test 24

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Verdict: ACCEPTED

Test 25

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Verdict: ACCEPTED

Test 26

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Verdict: ACCEPTED

Test 27

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Verdict: ACCEPTED

Test 28

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Verdict: ACCEPTED

Test 29

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Verdict: TIME LIMIT EXCEEDED

Test 30

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Verdict: ACCEPTED

Test 31

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Verdict: ACCEPTED

Test 32

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Verdict: ACCEPTED

Test 33

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Verdict: ACCEPTED

Test 34

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Verdict: ACCEPTED

Test 35

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Verdict: ACCEPTED

Test 36

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Verdict: TIME LIMIT EXCEEDED

Test 37

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Test 38

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Test 39

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Test 40

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Verdict: TIME LIMIT EXCEEDED

Test 42

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Verdict: ACCEPTED

Test 43

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Verdict: ACCEPTED

Test 44

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Verdict: ACCEPTED

Test 45

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Verdict: TIME LIMIT EXCEEDED

Test 46

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Verdict: ACCEPTED

Test 47

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Verdict: ACCEPTED

Test 48

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Verdict: ACCEPTED

Test 49

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Verdict: ACCEPTED

Test 50

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Verdict: ACCEPTED

Test 51

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Verdict: ACCEPTED

Test 52

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Verdict: ACCEPTED

Test 53

Group: 3

Verdict: ACCEPTED

Test 54

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 55

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Verdict: ACCEPTED

Test 56

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Verdict: TIME LIMIT EXCEEDED

Test 57

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Test 58

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Test 59

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Test 60

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Test 61

Group: 4

Verdict: TIME LIMIT EXCEEDED

Test 62

Group: 4

Verdict: ACCEPTED

Test 63

Group: 4

Verdict: WRONG ANSWER

Test 64

Group: 4

Verdict: WRONG ANSWER

Test 65

Group: 4

Verdict: ACCEPTED

Test 66

Group: 4

Verdict: ACCEPTED

Test 67

Group: 4

Verdict: TIME LIMIT EXCEEDED

Test 68

Group: 4

Verdict: ACCEPTED

Test 69

Group: 4

Verdict: ACCEPTED

Test 70

Group: 4

Verdict: WRONG ANSWER

Test 71

Group: 4

Verdict: ACCEPTED

Test 72

Group: 4

Verdict: ACCEPTED

Test 73

Group: 4

Verdict: ACCEPTED

Test 74

Group: 4

Verdict: TIME LIMIT EXCEEDED

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