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Datatähti 2016 alku

Start:2015-09-28 00:00:00
End:2015-10-12 00:00:00
 

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CSES - Datatähti 2016 alku - Results
History
2015-10-11 00:55:260
2015-10-09 10:47:320
Task:Bittipeli
Sender:rxz9000
Submission time:2015-10-11 00:55:26
Language:Java
Status:READY
Score:0

Feedback

groupverdictscore
#1WRONG ANSWER0
#2WRONG ANSWER0
#3WRONG ANSWER0
#4WRONG ANSWER0

Test results

testverdicttime (s)group
#1ACCEPTED0.17 / 1.001details
#2ACCEPTED0.17 / 1.001details
#3ACCEPTED0.17 / 1.001details
#4WRONG ANSWER0.17 / 1.001details
#5ACCEPTED0.17 / 1.001details
#6ACCEPTED0.17 / 1.001details
#7ACCEPTED0.17 / 1.001details
#8ACCEPTED0.17 / 1.001details
#9ACCEPTED0.17 / 1.001details
#10ACCEPTED0.17 / 1.001details
#11ACCEPTED0.17 / 1.001details
#12ACCEPTED0.17 / 1.001details
#13ACCEPTED0.17 / 1.001details
#14ACCEPTED0.18 / 1.001details
#15ACCEPTED0.17 / 1.001details
#16ACCEPTED0.17 / 1.001details
#17ACCEPTED0.16 / 1.001details
#18ACCEPTED0.18 / 1.001details
#19WRONG ANSWER0.18 / 1.001details
#20ACCEPTED0.18 / 1.001details
#21ACCEPTED0.17 / 1.002details
#22ACCEPTED0.17 / 1.002details
#23ACCEPTED0.17 / 1.002details
#24ACCEPTED0.17 / 1.002details
#25ACCEPTED0.18 / 1.002details
#26WRONG ANSWER0.16 / 1.002details
#27WRONG ANSWER0.18 / 1.002details
#28ACCEPTED0.17 / 1.002details
#29ACCEPTED0.17 / 1.002details
#30ACCEPTED0.17 / 1.002details
#31ACCEPTED0.19 / 1.002details
#32ACCEPTED0.17 / 1.002details
#33ACCEPTED0.18 / 1.002details
#34WRONG ANSWER0.17 / 1.002details
#35ACCEPTED0.17 / 1.002details
#36ACCEPTED0.17 / 1.002details
#37ACCEPTED0.17 / 1.002details
#38WRONG ANSWER0.17 / 1.002details
#39ACCEPTED0.19 / 1.002details
#40WRONG ANSWER0.17 / 1.002details
#41ACCEPTED0.17 / 1.003details
#42WRONG ANSWER0.18 / 1.003details
#43WRONG ANSWER0.19 / 1.003details
#44ACCEPTED0.18 / 1.003details
#45WRONG ANSWER0.17 / 1.003details
#46ACCEPTED0.17 / 1.003details
#47ACCEPTED0.17 / 1.003details
#48ACCEPTED0.17 / 1.003details
#49WRONG ANSWER0.17 / 1.003details
#50ACCEPTED0.18 / 1.003details
#51WRONG ANSWER0.18 / 1.003details
#52ACCEPTED0.18 / 1.003details
#53ACCEPTED0.17 / 1.003details
#54WRONG ANSWER0.17 / 1.003details
#55ACCEPTED0.19 / 1.003details
#56ACCEPTED0.19 / 1.003details
#57ACCEPTED0.18 / 1.003details
#58WRONG ANSWER0.19 / 1.003details
#59ACCEPTED0.19 / 1.003details
#60WRONG ANSWER0.18 / 1.003details
#61ACCEPTED0.18 / 1.004details
#62ACCEPTED0.17 / 1.004details
#63ACCEPTED0.18 / 1.004details
#64WRONG ANSWER0.18 / 1.004details
#65ACCEPTED0.18 / 1.004details
#66ACCEPTED0.17 / 1.004details
#67ACCEPTED0.17 / 1.004details
#68ACCEPTED0.17 / 1.004details
#69ACCEPTED0.17 / 1.004details
#70WRONG ANSWER0.17 / 1.004details
#71ACCEPTED0.17 / 1.004details
#72ACCEPTED0.18 / 1.004details
#73ACCEPTED0.18 / 1.004details
#74ACCEPTED0.17 / 1.004details
#75ACCEPTED0.18 / 1.004details
#76ACCEPTED0.27 / 1.004details
#77ACCEPTED0.27 / 1.004details
#78WRONG ANSWER0.24 / 1.004details
#79TIME LIMIT EXCEEDED-- / 1.004details
#80ACCEPTED0.78 / 1.004details

Code

import java.util.ArrayList;
import java.util.LinkedList;
import java.util.List;
import java.util.Stack;

public class BittipeliTehtava {

    private static int fillList(List sequences, String str) {
        int nOfLongSequences = 0;
        
        int lengthMinusOne = str.length() - 1;
        for (int i = 0; i <= lengthMinusOne; i++) {
            if (i == lengthMinusOne || str.charAt(i) != str.charAt(i + 1)) {
                if (i > 0 && str.charAt(i) == str.charAt(i - 1)) {
                    sequences.add(new Sequence(str.charAt(i), true));
                    nOfLongSequences++;
                } else {
                    sequences.add(new Sequence(str.charAt(i), false));
                }
            }
        }
        
        return nOfLongSequences;
    }

    private static int removeSequences(List<Sequence> sequences) {
        int amountOfMoves = 0;
        Stack<Sequence> stackOfSequences = new Stack<>();

        int length = sequences.size();

        for (int i = 0; i < length; i++) {
            Sequence currentSequence = sequences.get(i);
            if (!stackOfSequences.isEmpty() && stackOfSequences.peek().token == currentSequence.token) {
                stackOfSequences.pop();
                amountOfMoves++;
            } else if (currentSequence.isLongerThan1) {
                amountOfMoves++;
            } else {
                stackOfSequences.push(currentSequence);
            }
        }

        if (stackOfSequences.isEmpty()) {
            return amountOfMoves;
        }
        return -1;
    }
    
    private static List<Integer> removeSequencesBackwards(List<Sequence> sequences, int nOfLongSequences) {
        List<Integer> moves = new LinkedList<>();
        Stack<Sequence> stackOfSequences = new Stack<>();
        
        int currentLongSequence = nOfLongSequences;

        for (int i = sequences.size() - 1; i >= 0; i--) {
            Sequence currentSequence = sequences.get(i);
            if (!stackOfSequences.isEmpty() && stackOfSequences.peek().token == currentSequence.token) {
                moves.add(currentLongSequence);         
                stackOfSequences.pop();
                if (stackOfSequences.isEmpty() || (i >= 1 && sequences.get(i - 1).isLongerThan1)) {
                    currentLongSequence--;
                }
            } else if (currentSequence.isLongerThan1) {
                moves.add(currentLongSequence);
                if (stackOfSequences.isEmpty() || (i >= 1 && sequences.get(i - 1).isLongerThan1)) {
                    currentLongSequence--;
                }
            } else {
                stackOfSequences.push(currentSequence);
            }
        }       
        if (stackOfSequences.isEmpty()) {
            return moves;
        }
        return null;
    }

    public static void main(String[] args) {

        IO io = new IO();
        String str = io.next();

        List<Sequence> sequences = new ArrayList<>();
        int nOfLongSequences = fillList(sequences, str);
        
        int moves1 = removeSequences(sequences);
        List<Integer> moves2 = removeSequencesBackwards(sequences, nOfLongSequences);
        
        StringBuilder output = new StringBuilder();
        
        if (moves1 > 0) {
            output.append("1");
            for (int i = 1; i < moves1; i++) {
                output.append(" 1");
            }
            io.println(moves1);
            io.println(output.toString());
        } else if (moves2 != null) {           
            output.append(moves2.get(0));
            int length = moves2.size();
            for (int i = 1; i < length; i++) {
                output.append(" ");
                output.append(moves2.get(i));
            }
            io.println(moves2.size());
            io.println(output.toString());
        } else {
            io.println("QAQ");
        }

        io.close();
    }
}

class Sequence {

    public final char token;
    public final boolean isLongerThan1;

    public Sequence(char token, boolean longerThan1) {
        this.token = token;
        this.isLongerThan1 = longerThan1;
    }
}

Test details

Test 1

Group: 1

Verdict: ACCEPTED

input
1011001010

view   save

correct output
QAQ

view   save

user output
QAQ

view   save

Test 2

Group: 1

Verdict: ACCEPTED

input
0000001001

view   save

correct output
3
1 1 1 

view   save

user output
3
1 1 1

view   save

Test 3

Group: 1

Verdict: ACCEPTED

input
0111011100

view   save

correct output
3
2 1 1 

view   save

user output
4
1 1 1 1

view   save

Test 4

Group: 1

Verdict: WRONG ANSWER

input
0100100100

view   save

correct output
4
2 1 1 1 

view   save

user output
QAQ

view   save

Test 5

Group: 1

Verdict: ACCEPTED

input
1110010110

view   save

correct output
4
2 1 1 1 

view   save

user output
4
3 3 2 1

view   save

Test 6

Group: 1

Verdict: ACCEPTED

input
1111110110

view   save

correct output
3
1 1 1 

view   save

user output
3
1 1 1

view   save

Test 7

Group: 1

Verdict: ACCEPTED

input
0011110001

view   save

correct output
3
1 2 1 

view   save

user output
3
3 2 1

view   save

Test 8

Group: 1

Verdict: ACCEPTED

input
0111111000

view   save

correct output
2
1 1 

view   save

user output
2
1 1

view   save

Test 9

Group: 1

Verdict: ACCEPTED

input
1111111100

view   save

correct output
2
1 1 

view   save

user output
2
1 1

view   save

Test 10

Group: 1

Verdict: ACCEPTED

input
1000010011

view   save

correct output
3
2 1 1 

view   save

user output
4
1 1 1 1

view   save

Test 11

Group: 1

Verdict: ACCEPTED

input
1101110000

view   save

correct output
3
1 1 1 

view   save

user output
3
1 1 1

view   save

Test 12

Group: 1

Verdict: ACCEPTED

input
1101101100

view   save

correct output
4
1 2 1 1 

view   save

user output
5
1 1 1 1 1

view   save

Test 13

Group: 1

Verdict: ACCEPTED

input
0100111110

view   save

correct output
3
1 1 1 

view   save

user output
3
1 1 1

view   save

Test 14

Group: 1

Verdict: ACCEPTED

input
1101001011

view   save

correct output
4
2 2 2 1 

view   save

user output
5
1 1 1 1 1

view   save

Test 15

Group: 1

Verdict: ACCEPTED

input
1110110010

view   save

correct output
4
1 2 1 1 

view   save

user output
4
3 2 2 1

view   save

Test 16

Group: 1

Verdict: ACCEPTED

input
0011011100

view   save

correct output
3
3 2 1 

view   save

user output
4
1 1 1 1

view   save

Test 17

Group: 1

Verdict: ACCEPTED

input
1100101011

view   save

correct output
QAQ

view   save

user output
QAQ

view   save

Test 18

Group: 1

Verdict: ACCEPTED

input
1101100111

view   save

correct output
3
2 2 1 

view   save

user output
4
1 1 1 1

view   save

Test 19

Group: 1

Verdict: WRONG ANSWER

input
0110000100

view   save

correct output
3
2 1 1 

view   save

user output
QAQ

view   save

Test 20

Group: 1

Verdict: ACCEPTED

input
0000101000

view   save

correct output
QAQ

view   save

user output
QAQ

view   save

Test 21

Group: 2

Verdict: ACCEPTED

input
1110010100

view   save

correct output
QAQ

view   save

user output
QAQ

view   save

Test 22

Group: 2

Verdict: ACCEPTED

input
1110010000

view   save

correct output
3
2 1 1 

view   save

user output
3
3 2 1

view   save

Test 23

Group: 2

Verdict: ACCEPTED

input
1001101100

view   save

correct output
4
1 1 1 1 

view   save

user output
4
1 1 1 1

view   save

Test 24

Group: 2

Verdict: ACCEPTED

input
0000000111

view   save

correct output
2
1 1 

view   save

user output
2
1 1

view   save

Test 25

Group: 2

Verdict: ACCEPTED

input
0011111110

view   save

correct output
2
2 1 

view   save

user output
2
2 1

view   save

Test 26

Group: 2

Verdict: WRONG ANSWER

input
1100101100

view   save

correct output
4
2 1 1 1 

view   save

user output
QAQ

view   save

Test 27

Group: 2

Verdict: WRONG ANSWER

input
0111101110

view   save

correct output
3
2 1 1 

view   save

user output
QAQ

view   save

Test 28

Group: 2

Verdict: ACCEPTED

input
0000011011

view   save

correct output
3
2 1 1 

view   save

user output
3
3 2 1

view   save

Test 29

Group: 2

Verdict: ACCEPTED

input
1110011101

view   save

correct output
3
3 2 1 

view   save

user output
3
3 2 1

view   save

Test 30

Group: 2

Verdict: ACCEPTED

input
0001011011

view   save

correct output
4
1 1 1 1 

view   save

user output
4
1 1 1 1

view   save

Test 31

Group: 2

Verdict: ACCEPTED

input
0010110011

view   save

correct output
4
1 1 1 1 

view   save

user output
4
1 1 1 1

view   save

Test 32

Group: 2

Verdict: ACCEPTED

input
0011100000

view   save

correct output
2
2 1 

view   save

user output
3
1 1 1

view   save

Test 33

Group: 2

Verdict: ACCEPTED

input
1110100110

view   save

correct output
4
1 1 1 1 

view   save

user output
4
1 1 1 1

view   save

Test 34

Group: 2

Verdict: WRONG ANSWER

input
0110110111

view   save

correct output
4
2 1 1 1 

view   save

user output
QAQ

view   save

Test 35

Group: 2

Verdict: ACCEPTED

input
1110110010

view   save

correct output
4
1 2 1 1 

view   save

user output
4
3 2 2 1

view   save

Test 36

Group: 2

Verdict: ACCEPTED

input
110011001100110011001010101010...
view   save

correct output
QAQ

view   save

user output
QAQ

view   save

Test 37

Group: 2

Verdict: ACCEPTED

input
110011001100110011001100101010...
view   save

correct output
QAQ

view   save

user output
QAQ

view   save

Test 38

Group: 2

Verdict: WRONG ANSWER

input
110011001100110011001100110011...
view   save

correct output
31
1 20 20 20 20 20 20 20 20 20 2...
view   save

user output
QAQ

view   save

Test 39

Group: 2

Verdict: ACCEPTED

input
010101010101010101010101010101...
view   save

correct output
48
2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...
view   save

user output
48
2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...
view   save

Test 40

Group: 2

Verdict: WRONG ANSWER

input
011010000011111011110000110011...
view   save

correct output
23
13 13 12 11 11 11 11 10 9 9 9 ...
view   save

user output
QAQ

view   save

Test 41

Group: 3

Verdict: ACCEPTED

input
0010101000

view   save

correct output
QAQ

view   save

user output
QAQ

view   save

Test 42

Group: 3

Verdict: WRONG ANSWER

input
0100010110

view   save

correct output
4
2 1 1 1 

view   save

user output
QAQ

view   save

Test 43

Group: 3

Verdict: WRONG ANSWER

input
0100110110

view   save

correct output
4
2 1 1 1 

view   save

user output
QAQ

view   save

Test 44

Group: 3

Verdict: ACCEPTED

input
1110000001

view   save

correct output
2
2 1 

view   save

user output
2
2 1

view   save

Test 45

Group: 3

Verdict: WRONG ANSWER

input
0001001110

view   save

correct output
3
2 2 1 

view   save

user output
QAQ

view   save

Test 46

Group: 3

Verdict: ACCEPTED

input
0011100011

view   save

correct output
3
1 2 1 

view   save

user output
4
1 1 1 1

view   save

Test 47

Group: 3

Verdict: ACCEPTED

input
0100111100

view   save

correct output
3
1 1 1 

view   save

user output
3
1 1 1

view   save

Test 48

Group: 3

Verdict: ACCEPTED

input
0001001000

view   save

correct output
3
2 2 1 

view   save

user output
4
1 1 1 1

view   save

Test 49

Group: 3

Verdict: WRONG ANSWER

input
0100100010

view   save

correct output
4
2 1 1 1 

view   save

user output
QAQ

view   save

Test 50

Group: 3

Verdict: ACCEPTED

input
1100101110

view   save

correct output
4
2 1 1 1 

view   save

user output
4
3 3 2 1

view   save

Test 51

Group: 3

Verdict: WRONG ANSWER

input
1000111011

view   save

correct output
3
2 1 1 

view   save

user output
QAQ

view   save

Test 52

Group: 3

Verdict: ACCEPTED

input
1000111111

view   save

correct output
2
1 1 

view   save

user output
2
1 1

view   save

Test 53

Group: 3

Verdict: ACCEPTED

input
0110011100

view   save

correct output
3
2 1 1 

view   save

user output
4
1 1 1 1

view   save

Test 54

Group: 3

Verdict: WRONG ANSWER

input
0001000110

view   save

correct output
3
2 2 1 

view   save

user output
QAQ

view   save

Test 55

Group: 3

Verdict: ACCEPTED

input
1110110010

view   save

correct output
4
1 2 1 1 

view   save

user output
4
3 2 2 1

view   save

Test 56

Group: 3

Verdict: ACCEPTED

input
110011001100110011001100110011...
view   save

correct output
QAQ

view   save

user output
QAQ

view   save

Test 57

Group: 3

Verdict: ACCEPTED

input
110011001100110011001100110011...
view   save

correct output
QAQ

view   save

user output
QAQ

view   save

Test 58

Group: 3

Verdict: WRONG ANSWER

input
110011001100110011001100110011...
view   save

correct output
1501
1 1000 1000 1000 1000 1000 100...
view   save

user output
QAQ

view   save

Test 59

Group: 3

Verdict: ACCEPTED

input
010101010101010101010101010101...
view   save

correct output
2498
2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...
view   save

user output
2498
2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...
view   save

Test 60

Group: 3

Verdict: WRONG ANSWER

input
011100011001011111111000010110...
view   save

correct output
1272
1 1 648 647 646 646 645 645 64...
view   save

user output
QAQ

view   save

Test 61

Group: 4

Verdict: ACCEPTED

input
1110101110

view   save

correct output
QAQ

view   save

user output
QAQ

view   save

Test 62

Group: 4

Verdict: ACCEPTED

input
0111001011

view   save

correct output
4
2 1 1 1 

view   save

user output
4
3 2 1 1

view   save

Test 63

Group: 4

Verdict: ACCEPTED

input
1101111101

view   save

correct output
3
2 2 1 

view   save

user output
3
2 2 1

view   save

Test 64

Group: 4

Verdict: WRONG ANSWER

input
1001110001

view   save

correct output
3
2 1 1 

view   save

user output
QAQ

view   save

Test 65

Group: 4

Verdict: ACCEPTED

input
1000000011

view   save

correct output
2
1 1 

view   save

user output
2
1 1

view   save

Test 66

Group: 4

Verdict: ACCEPTED

input
0100010111

view   save

correct output
4
1 1 1 1 

view   save

user output
4
1 1 1 1

view   save

Test 67

Group: 4

Verdict: ACCEPTED

input
0100111010

view   save

correct output
4
2 1 1 1 

view   save

user output
4
2 1 1 1

view   save

Test 68

Group: 4

Verdict: ACCEPTED

input
0010111101

view   save

correct output
4
1 1 1 1 

view   save

user output
4
1 1 1 1

view   save

Test 69

Group: 4

Verdict: ACCEPTED

input
0011111000

view   save

correct output
2
2 1 

view   save

user output
3
1 1 1

view   save

Test 70

Group: 4

Verdict: WRONG ANSWER

input
1101001101

view   save

correct output
4
2 2 2 1 

view   save

user output
QAQ

view   save

Test 71

Group: 4

Verdict: ACCEPTED

input
0110111000

view   save

correct output
3
2 1 1 

view   save

user output
4
1 1 1 1

view   save

Test 72

Group: 4

Verdict: ACCEPTED

input
1100110111

view   save

correct output
3
3 2 1 

view   save

user output
4
4 3 2 1

view   save

Test 73

Group: 4

Verdict: ACCEPTED

input
1110011111

view   save

correct output
2
2 1 

view   save

user output
3
1 1 1

view   save

Test 74

Group: 4

Verdict: ACCEPTED

input
1011000101

view   save

correct output
4
2 1 1 1 

view   save

user output
4
2 1 1 1

view   save

Test 75

Group: 4

Verdict: ACCEPTED

input
1110110010

view   save

correct output
4
1 2 1 1 

view   save

user output
4
3 2 2 1

view   save

Test 76

Group: 4

Verdict: ACCEPTED

input
110011001100110011001100110011...
view   save

correct output
QAQ

view   save

user output
QAQ

view   save

Test 77

Group: 4

Verdict: ACCEPTED

input
110011001100110011001100110011...
view   save

correct output
QAQ

view   save

user output
QAQ

view   save

Test 78

Group: 4

Verdict: WRONG ANSWER

input
110011001100110011001100110011...
view   save

correct output
30001
1 20000 20000 20000 20000 2000...
view   save

user output
QAQ

view   save

Test 79

Group: 4

Verdict: TIME LIMIT EXCEEDED

input
010101010101010101010101010101...
view   save

correct output
49998
2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...
view   save

user output
(empty)

Test 80

Group: 4

Verdict: ACCEPTED

input
111000110000011000001101010010...
view   save

correct output
25011
1 12471 12470 12469 12468 1246...
view   save

user output
33315
25005 25004 25003 25002 25001 ...
view   save