CSES - Datatähti 2016 alku - Results
Submission details
Task:Bittipeli
Sender:@.+-_
Submission time:2015-10-05 08:41:22
Language:Java
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
#30
#40
Test results
testverdicttimegroup
#1ACCEPTED0.18 s1details
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#80--4details

Code

public class Bites2 {
	// this really needs some tidying up
	
	static String operations = "";
	static int operationCount = 0;
	
	public static char[] doItPleb(char[] input) {
		String output = "";
		char dominant = '-';
		
		for(int i = 0; i < input.length-1; i++) {
			if(input[i] != dominant) {
				if(input[i+1] == input[i])
					output += '1';
				else output += '0';
				
				dominant = input[i];
			}
		}
		
		if(input[input.length-1] != input[input.length-2])
			output += '0';
		
		return output.toCharArray();
	}
	
	public static char[] clean(char[] input, boolean thisThing) {
		String output = "";
		int count = 0;
		boolean hit = false;
		
		for(int i = 0; i < input.length; i++) {
			if(input[i] != '-') {
				output += input[i];
				if(!hit && input[i] == '1')
					count++;
			} else hit = true;
		}
		
		operations += count + (thisThing? 1 : 0) + " ";
		operationCount++;
		
		return output.toCharArray();
	}
	
	public static void main(String[] args) {
		IO oi = new IO();
		char[] bits = oi.next().toCharArray();
		
		int i;
		boolean temp;
		
		// would they actually do this?
		// nope, but let's keep it anyway
		if(bits.length == 1) {
			oi.println("QAQ");
			oi.close();
			return;
		} else if(bits.length == 2) {
			if(bits[0] == bits[1]) {
				oi.println("1\n1");
				oi.close();
				return;
			} else {
				oi.println("QAQ");
				oi.close();
				return;
			}
		}
		
		bits = doItPleb(bits);
		
		for(int j = 0; j < bits.length - 2; j++) {
			if(bits.length == 3) {
				if(bits[1] == '0') {
					oi.println("QAQ");
					oi.close();
					return;
				} else {
					if(bits[0] == '1') operations += "2 1";
					else operations += "1 1";
					
					oi.println(operationCount + 2);
					oi.println(operations);
					oi.close();
					return;
				}
			}
			
			if(bits[j] == '0' && bits[j+1] == '1' && bits[j+2] == '0') {
				bits[j] = '1';
				bits[j+1] = '-';
				bits[j+2] = '-';
				bits = clean(bits, false);
			}
		}
		
		i = (int) Math.floor(bits.length / 2);
		for(int j = i; j < 2 * i; j++) {
			if(bits.length == 3) {
				if(bits[1] == '0') {
					oi.println("QAQ");
					oi.close();
					return;
				} else {
					if(bits[0] == '1') operations += "2 1";
					else operations += "1 1";
					
					oi.println(operationCount + 2);
					oi.println(operations);
					oi.close();
					return;
				}
			} else if(bits.length == 4) {
				int count = 0;
				
				for(int k = 0; k < 4; k++)
					count += bits[k] == '1' ? 1 : 0;
				
				boolean good = count >= 3 || (bits[0] == '1' && bits[2] == '1') || (bits[1] == '1' && bits[3] == '1');
				
				if(!good) {
					oi.println("QAQ");
					oi.close();
					return;
				}
				
				for(int k = 1; k < 3; k++) {
					if(bits[k] == '1' && (bits[k+1] == '0' || bits[k-1] == '0')) {
						temp = bits[k-1] == '1';
						bits[k-1] = '1';
						bits[k] = '-';
						bits[k+1] = '-';
						bits = clean(bits, temp);
					}
				}
			} else if(j < bits.length-1 && bits[j] == '1' && (bits[j+1] == '0' || bits[j-1] == '0')) {
				temp = bits[j-1] == '1';
				bits[j-1] = '1';
				bits[j] = '-';
				bits[j+1] = '-';
				bits = clean(bits, temp);
				i = (int) Math.floor(bits.length / 2);
				
				j -= 2;
				if(j < i) j = i;
			} else if(bits[i*2-j] == '1' && (bits[i*2-j+1] == '0' || bits[i*2-j-1] == '0')) {
				temp = bits[i*2-j-1] == '1';
				bits[i*2-j-1] = '1';
				bits[i*2-j] = '-';
				bits[i*2-j+1] = '-';
				bits = clean(bits, temp);
				i = (int) Math.floor(bits.length / 2);
				
				j -= 2;
				if(j < i+1) j = i;
			}
			
			if(bits.length == 3) {
				if(bits[1] == '0') {
					oi.println("QAQ");
					oi.close();
					return;
				} else {
					if(bits[0] == '1') operations += "2 1";
					else operations += "1 1";
					
					oi.println(operationCount + 2);
					oi.println(operations);
					oi.close();
					return;
				}
			} 
		}
		
		boolean winned = true;
		for(int j = 0; j < bits.length; j++) {
			operationCount++;
			operations += "1 ";
			
			if(bits[j] != bits[0])
				winned = false;
		}
		
		if(winned) {
			oi.println(operationCount);
			oi.println(operations);
			oi.close();
		} else {
			oi.println("QAQ");
			oi.close();
		}
	}
}

Test details

Test 1

Group: 1

Verdict: ACCEPTED

input
1011001010

correct output
QAQ

user output
QAQ

Test 2

Group: 1

Verdict:

input
0000001001

correct output
3
1 1 1 

user output
(empty)

Error:
Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: 2
	at Bites2.main(Bites2.java:147)

Test 3

Group: 1

Verdict: ACCEPTED

input
0111011100

correct output
3
2 1 1 

user output
3
1 2 1

Test 4

Group: 1

Verdict: ACCEPTED

input
0100100100

correct output
4
2 1 1 1 

user output
4
1 2 1 1

Test 5

Group: 1

Verdict:

input
1110010110

correct output
4
2 1 1 1 

user output
(empty)

Error:
Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: 2
	at Bites2.main(Bites2.java:129)

Test 6

Group: 1

Verdict:

input
1111110110

correct output
3
1 1 1 

user output
(empty)

Error:
Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: 2
	at Bites2.main(Bites2.java:147)

Test 7

Group: 1

Verdict:

input
0011110001

correct output
3
1 2 1 

user output
(empty)

Error:
Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: 2
	at Bites2.main(Bites2.java:147)

Test 8

Group: 1

Verdict: ACCEPTED

input
0111111000

correct output
2
1 1 

user output
2
1 1

Test 9

Group: 1

Verdict:

input
1111111100

correct output
2
1 1 

user output
(empty)

Error:
Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: 2
	at Bites2.main(Bites2.java:147)

Test 10

Group: 1

Verdict: ACCEPTED

input
1000010011

correct output
3
2 1 1 

user output
3
1 2 1

Test 11

Group: 1

Verdict:

input
1101110000

correct output
3
1 1 1 

user output
(empty)

Error:
Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: 2
	at Bites2.main(Bites2.java:147)

Test 12

Group: 1

Verdict: ACCEPTED

input
1101101100

correct output
4
1 2 1 1 

user output
5
2 1 1 1 1 

Test 13

Group: 1

Verdict: ACCEPTED

input
0100111110

correct output
3
1 1 1 

user output
3
1 1 1

Test 14

Group: 1

Verdict: ACCEPTED

input
1101001011

correct output
4
2 2 2 1 

user output
4
2 2 2 1

Test 15

Group: 1

Verdict: ACCEPTED

input
1110110010

correct output
4
1 2 1 1 

user output
4
3 2 1 1 

Test 16

Group: 1

Verdict: ACCEPTED

input
0011011100

correct output
3
3 2 1 

user output
3
3 2 1

Test 17

Group: 1

Verdict: ACCEPTED

input
1100101011

correct output
QAQ

user output
QAQ

Test 18

Group: 1

Verdict: ACCEPTED

input
1101100111

correct output
3
2 2 1 

user output
3
2 2 1

Test 19

Group: 1

Verdict: ACCEPTED

input
0110000100

correct output
3
2 1 1 

user output
3
2 1 1

Test 20

Group: 1

Verdict: ACCEPTED

input
0000101000

correct output
QAQ

user output
QAQ

Test 21

Group: 2

Verdict: ACCEPTED

input
1110010100

correct output
QAQ

user output
QAQ

Test 22

Group: 2

Verdict:

input
1110010000

correct output
3
2 1 1 

user output
(empty)

Error:
Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: 2
	at Bites2.main(Bites2.java:129)

Test 23

Group: 2

Verdict:

input
1001101100

correct output
4
1 1 1 1 

user output
(empty)

Error:
Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: 2
	at Bites2.main(Bites2.java:129)

Test 24

Group: 2

Verdict:

input
0000000111

correct output
2
1 1 

user output
(empty)

Error:
Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: 2
	at Bites2.main(Bites2.java:147)

Test 25

Group: 2

Verdict: ACCEPTED

input
0011111110

correct output
2
2 1 

user output
2
2 1

Test 26

Group: 2

Verdict:

input
1100101100

correct output
4
2 1 1 1 

user output
(empty)

Error:
Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: 2
	at Bites2.main(Bites2.java:129)

Test 27

Group: 2

Verdict: ACCEPTED

input
0111101110

correct output
3
2 1 1 

user output
3
1 2 1

Test 28

Group: 2

Verdict:

input
0000011011

correct output
3
2 1 1 

user output
(empty)

Error:
Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: 2
	at Bites2.main(Bites2.java:129)

Test 29

Group: 2

Verdict: ACCEPTED

input
1110011101

correct output
3
3 2 1 

user output
3
3 2 1

Test 30

Group: 2

Verdict:

input
0001011011

correct output
4
1 1 1 1 

user output
(empty)

Error:
Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: 2
	at Bites2.main(Bites2.java:147)

Test 31

Group: 2

Verdict: ACCEPTED

input
0010110011

correct output
4
1 1 1 1 

user output
4
2 2 1 1 

Test 32

Group: 2

Verdict: ACCEPTED

input
0011100000

correct output
2
2 1 

user output
2
2 1

Test 33

Group: 2

Verdict: ACCEPTED

input
1110100110

correct output
4
1 1 1 1 

user output
4
2 2 1 1 

Test 34

Group: 2

Verdict:

input
0110110111

correct output
4
2 1 1 1 

user output
(empty)

Error:
Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: 2
	at Bites2.main(Bites2.java:129)

Test 35

Group: 2

Verdict: ACCEPTED

input
1110110010

correct output
4
1 2 1 1 

user output
4
3 2 1 1 

Test 36

Group: 2

Verdict: ACCEPTED

input
110011001100110011001010101010...

correct output
QAQ

user output
QAQ

Test 37

Group: 2

Verdict: ACCEPTED

input
110011001100110011001100101010...

correct output
QAQ

user output
QAQ

Test 38

Group: 2

Verdict:

input
110011001100110011001100110011...

correct output
31
1 20 20 20 20 20 20 20 20 20 2...

user output
QAQ

Test 39

Group: 2

Verdict:

input
010101010101010101010101010101...

correct output
48
2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...

user output
QAQ

Test 40

Group: 2

Verdict:

input
011010000011111011110000110011...

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

user output
QAQ

Test 41

Group: 3

Verdict: ACCEPTED

input
0010101000

correct output
QAQ

user output
QAQ

Test 42

Group: 3

Verdict: ACCEPTED

input
0100010110

correct output
4
2 1 1 1 

user output
4
1 2 1 1

Test 43

Group: 3

Verdict: ACCEPTED

input
0100110110

correct output
4
2 1 1 1 

user output
4
3 1 1 1

Test 44

Group: 3

Verdict: ACCEPTED

input
1110000001

correct output
2
2 1 

user output
2
2 1

Test 45

Group: 3

Verdict: ACCEPTED

input
0001001110

correct output
3
2 2 1 

user output
3
2 2 1

Test 46

Group: 3

Verdict: ACCEPTED

input
0011100011

correct output
3
1 2 1 

user output
4
1 1 1 1 

Test 47

Group: 3

Verdict: ACCEPTED

input
0100111100

correct output
3
1 1 1 

user output
3
1 1 1

Test 48

Group: 3

Verdict: ACCEPTED

input
0001001000

correct output
3
2 2 1 

user output
3
2 2 1

Test 49

Group: 3

Verdict: ACCEPTED

input
0100100010

correct output
4
2 1 1 1 

user output
4
1 2 1 1

Test 50

Group: 3

Verdict:

input
1100101110

correct output
4
2 1 1 1 

user output
(empty)

Error:
Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: 2
	at Bites2.main(Bites2.java:129)

Test 51

Group: 3

Verdict: ACCEPTED

input
1000111011

correct output
3
2 1 1 

user output
3
2 1 1

Test 52

Group: 3

Verdict: ACCEPTED

input
1000111111

correct output
2
1 1 

user output
2
1 1

Test 53

Group: 3

Verdict: ACCEPTED

input
0110011100

correct output
3
2 1 1 

user output
3
1 2 1

Test 54

Group: 3

Verdict: ACCEPTED

input
0001000110

correct output
3
2 2 1 

user output
3
2 2 1

Test 55

Group: 3

Verdict: ACCEPTED

input
1110110010

correct output
4
1 2 1 1 

user output
4
3 2 1 1 

Test 56

Group: 3

Verdict:

input
110011001100110011001100110011...

correct output
QAQ

user output
(empty)

Test 57

Group: 3

Verdict:

input
110011001100110011001100110011...

correct output
QAQ

user output
(empty)

Test 58

Group: 3

Verdict:

input
110011001100110011001100110011...

correct output
1501
1 1000 1000 1000 1000 1000 100...

user output
(empty)

Test 59

Group: 3

Verdict:

input
010101010101010101010101010101...

correct output
2498
2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...

user output
QAQ

Test 60

Group: 3

Verdict:

input
011100011001011111111000010110...

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

user output
QAQ

Test 61

Group: 4

Verdict: ACCEPTED

input
1110101110

correct output
QAQ

user output
QAQ

Test 62

Group: 4

Verdict:

input
0111001011

correct output
4
2 1 1 1 

user output
(empty)

Error:
Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: 2
	at Bites2.main(Bites2.java:129)

Test 63

Group: 4

Verdict: ACCEPTED

input
1101111101

correct output
3
2 2 1 

user output
3
2 2 1

Test 64

Group: 4

Verdict: ACCEPTED

input
1001110001

correct output
3
2 1 1 

user output
3
3 1 1

Test 65

Group: 4

Verdict: ACCEPTED

input
1000000011

correct output
2
1 1 

user output
2
1 1

Test 66

Group: 4

Verdict:

input
0100010111

correct output
4
1 1 1 1 

user output
(empty)

Error:
Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: 2
	at Bites2.main(Bites2.java:129)

Test 67

Group: 4

Verdict:

input
0100111010

correct output
4
2 1 1 1 

user output
QAQ

Test 68

Group: 4

Verdict:

input
0010111101

correct output
4
1 1 1 1 

user output
(empty)

Error:
Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: 2
	at Bites2.main(Bites2.java:147)

Test 69

Group: 4

Verdict: ACCEPTED

input
0011111000

correct output
2
2 1 

user output
2
2 1

Test 70

Group: 4

Verdict:

input
1101001101

correct output
4
2 2 2 1 

user output
QAQ

Test 71

Group: 4

Verdict: ACCEPTED

input
0110111000

correct output
3
2 1 1 

user output
3
1 2 1

Test 72

Group: 4

Verdict: ACCEPTED

input
1100110111

correct output
3
3 2 1 

user output
3
3 2 1

Test 73

Group: 4

Verdict: ACCEPTED

input
1110011111

correct output
2
2 1 

user output
2
2 1

Test 74

Group: 4

Verdict:

input
1011000101

correct output
4
2 1 1 1 

user output
QAQ

Test 75

Group: 4

Verdict: ACCEPTED

input
1110110010

correct output
4
1 2 1 1 

user output
4
3 2 1 1 

Test 76

Group: 4

Verdict:

input
110011001100110011001100110011...

correct output
QAQ

user output
(empty)

Test 77

Group: 4

Verdict:

input
110011001100110011001100110011...

correct output
QAQ

user output
(empty)

Test 78

Group: 4

Verdict:

input
110011001100110011001100110011...

correct output
30001
1 20000 20000 20000 20000 2000...

user output
(empty)

Test 79

Group: 4

Verdict:

input
010101010101010101010101010101...

correct output
49998
2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...

user output
(empty)

Test 80

Group: 4

Verdict:

input
111000110000011000001101010010...

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

user output
(empty)