CSES - Datatähti 2016 peili

Submission details
Task:	Bittipeli
Sender:	quasisphere
Submission time:	2015-09-30 11:46:25 +0300
Language:	C++
Status:	READY
Result:	100

Feedback
subtask	verdict	score
#1	ACCEPTED	11
#2	ACCEPTED	27
#3	ACCEPTED	28
#4	ACCEPTED	34

Test results
test	verdict	time	subtask
#1	ACCEPTED	0.05 s	1	details
#2	ACCEPTED	0.05 s	1	details
#3	ACCEPTED	0.05 s	1	details
#4	ACCEPTED	0.05 s	1	details
#5	ACCEPTED	0.06 s	1	details
#6	ACCEPTED	0.06 s	1	details
#7	ACCEPTED	0.06 s	1	details
#8	ACCEPTED	0.06 s	1	details
#9	ACCEPTED	0.05 s	1	details
#10	ACCEPTED	0.06 s	1	details
#11	ACCEPTED	0.05 s	1	details
#12	ACCEPTED	0.05 s	1	details
#13	ACCEPTED	0.05 s	1	details
#14	ACCEPTED	0.05 s	1	details
#15	ACCEPTED	0.05 s	1	details
#16	ACCEPTED	0.06 s	1	details
#17	ACCEPTED	0.05 s	1	details
#18	ACCEPTED	0.06 s	1	details
#19	ACCEPTED	0.05 s	1	details
#20	ACCEPTED	0.06 s	1	details
#21	ACCEPTED	0.05 s	2	details
#22	ACCEPTED	0.06 s	2	details
#23	ACCEPTED	0.05 s	2	details
#24	ACCEPTED	0.06 s	2	details
#25	ACCEPTED	0.06 s	2	details
#26	ACCEPTED	0.05 s	2	details
#27	ACCEPTED	0.06 s	2	details
#28	ACCEPTED	0.05 s	2	details
#29	ACCEPTED	0.05 s	2	details
#30	ACCEPTED	0.05 s	2	details
#31	ACCEPTED	0.05 s	2	details
#32	ACCEPTED	0.05 s	2	details
#33	ACCEPTED	0.05 s	2	details
#34	ACCEPTED	0.05 s	2	details
#35	ACCEPTED	0.06 s	2	details
#36	ACCEPTED	0.06 s	2	details
#37	ACCEPTED	0.05 s	2	details
#38	ACCEPTED	0.06 s	2	details
#39	ACCEPTED	0.06 s	2	details
#40	ACCEPTED	0.06 s	2	details
#41	ACCEPTED	0.05 s	3	details
#42	ACCEPTED	0.05 s	3	details
#43	ACCEPTED	0.06 s	3	details
#44	ACCEPTED	0.06 s	3	details
#45	ACCEPTED	0.05 s	3	details
#46	ACCEPTED	0.06 s	3	details
#47	ACCEPTED	0.06 s	3	details
#48	ACCEPTED	0.06 s	3	details
#49	ACCEPTED	0.05 s	3	details
#50	ACCEPTED	0.06 s	3	details
#51	ACCEPTED	0.06 s	3	details
#52	ACCEPTED	0.05 s	3	details
#53	ACCEPTED	0.00 s	3	details
#54	ACCEPTED	0.05 s	3	details
#55	ACCEPTED	0.05 s	3	details
#56	ACCEPTED	0.05 s	3	details
#57	ACCEPTED	0.05 s	3	details
#58	ACCEPTED	0.05 s	3	details
#59	ACCEPTED	0.05 s	3	details
#60	ACCEPTED	0.05 s	3	details
#61	ACCEPTED	0.06 s	4	details
#62	ACCEPTED	0.05 s	4	details
#63	ACCEPTED	0.06 s	4	details
#64	ACCEPTED	0.05 s	4	details
#65	ACCEPTED	0.06 s	4	details
#66	ACCEPTED	0.06 s	4	details
#67	ACCEPTED	0.06 s	4	details
#68	ACCEPTED	0.06 s	4	details
#69	ACCEPTED	0.05 s	4	details
#70	ACCEPTED	0.05 s	4	details
#71	ACCEPTED	0.05 s	4	details
#72	ACCEPTED	0.05 s	4	details
#73	ACCEPTED	0.05 s	4	details
#74	ACCEPTED	0.05 s	4	details
#75	ACCEPTED	0.05 s	4	details
#76	ACCEPTED	0.06 s	4	details
#77	ACCEPTED	0.06 s	4	details
#78	ACCEPTED	0.06 s	4	details
#79	ACCEPTED	0.06 s	4	details
#80	ACCEPTED	0.06 s	4	details

Compiler report

input/code.cpp: In function 'int main()':
input/code.cpp:60:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int64_t i=0;i<s.size();i++) {
                    ^

Code

#include<iostream>
#include<list>

using namespace std;

list<int>::iterator find_mid(list<int> &l, int len) {
  list<int>::iterator iter=l.begin();
  for(int i=0;i<len/2;i++) iter++;
  return iter;
}

int eat(list<int> &blocks, list<int>::iterator iter, int id, int count=1000000) {
  int eaten=0;
  while(count > 0) {
    if(iter==blocks.begin()) break;
    list<int>::iterator next=iter;
    next++;
    if(next==blocks.end()) break;
    list<int>::iterator prev=iter;
    prev--;
    cout << id << ' ';
    if(*prev > 0) {
      eaten++;
      id--;
    }
    blocks.erase(prev);
    blocks.erase(next);
    count--;
  }
  return eaten;
}

int count_left(list<int> &blocks, list<int>::iterator &iter) {
  int cnt=0;
  while(*iter == 0) {
    cnt++;
    if(iter == blocks.begin()) break;
    iter--;
  }
  return cnt;
}

int count_right(list<int> &blocks, list<int>::iterator &iter) {
  int cnt=0;
  while(*iter == 0) {
    cnt++;
    iter++;
    if(iter == blocks.end()) break;
  }
  return cnt;
}

int main(void) {
  string s;
  cin >> s;
  list<int> blocks;
  int prev=-1;
  int bs=0;
  int bid=1;
  for(int64_t i=0;i<s.size();i++) {
    if(s[i] != prev) {
      if(bs == 1) blocks.push_back(0);
      else if(bs >= 2) blocks.push_back(bid++);
      prev=s[i];
      bs=1;
    } else {
      bs++;
    }
  }
  if(bs == 1) blocks.push_back(0);
  else if(bs >= 2) blocks.push_back(bid++);

  int len=blocks.size();

  if(len%2 == 1) {
    list<int>::iterator mid=find_mid(blocks, len);
    if(*mid > 0) {
      cout << len/2 + 1 << '\n';
      eat(blocks, mid, *mid);
      cout << 1 << '\n';
    } else {
      list<int>::iterator leftiter=mid;
      leftiter--;
      int a=count_left(blocks, leftiter);
      list<int>::iterator rightiter=mid;
      rightiter++;
      int b=count_right(blocks, rightiter);
      if(a+b+1 >= (len - 1)/2) {
        cout << "QAQ\n";
        return 0;
      }
      cout << len/2 + 1 << '\n';
      eat(blocks, rightiter, *rightiter, a+1);
      eat(blocks, leftiter, *leftiter);
      cout << 1 << '\n';
    }
  } else {
    list<int>::iterator rmid=find_mid(blocks, len);
    list<int>::iterator leftiter=rmid;
    leftiter--;
    int a=count_left(blocks, leftiter);
    list<int>::iterator rightiter=rmid;
    int b=count_right(blocks, rightiter);
    if(len/2 - a - 1 < b) { //TARKISTA
      cout << "QAQ\n";
      return 0;
    }
    if(blocks.front() > 0) {
      cout << len/2 + 1 << '\n';
      int eaten=eat(blocks, leftiter, *leftiter, b);
      eat(blocks, rightiter, *rightiter - eaten);
      cout << "1 1\n";
    } else if(blocks.back() > 0) {
      cout << len/2 + 1 << '\n';
      eat(blocks, rightiter, *rightiter, a);
      eat(blocks, leftiter, *leftiter);
      cout << "1 1\n";
    } else {
      list<int>::iterator startiter=blocks.begin();
      list<int>::iterator enditer=blocks.end();
      enditer--;
      int x=count_right(blocks, startiter);
      int y=count_left(blocks, enditer);
      if(x <= b) {
        cout << len/2 + 1 << '\n';
        int eaten=eat(blocks, leftiter, *leftiter, b-x);
        eaten+=eat(blocks, startiter, *startiter, x);
        eat(blocks, rightiter, *rightiter - eaten);
        cout << "1 1\n";
      } else if(y <= a) {
        cout << len/2 + 1 << '\n';
        int eaten=eat(blocks, rightiter, *rightiter, a-y);
        eat(blocks, enditer, *enditer - eaten, y);
        eat(blocks, leftiter, *leftiter);
        cout << "1 1\n";
      } else if(x+y <= len/2-1) {
        if(x <= y) {
          cout << len/2 + 1 << '\n';
          int eaten=eat(blocks, startiter, *startiter, x);
          eat(blocks, enditer, *enditer - eaten, x-b);
          eat(blocks, rightiter, *rightiter - eaten);
          cout << "1 1\n";
        } else {
          cout << len/2 + 1 << '\n';
          eat(blocks, enditer, *enditer, y);
          int eaten=eat(blocks, startiter, *startiter, y-a);
          eat(blocks, leftiter, *leftiter - eaten);
          cout << "1 1\n";
        }
      } else {
        cout << "QAQ\n" << endl;
      }
    }
  }
  return 0;
}

Test details

Test 1

Subtask: 1

Verdict: ACCEPTED

input
`1011001010` view save

correct output
`QAQ` view save

user output
`QAQ` view save

Test 2

Subtask: 1

Verdict: ACCEPTED

input
`0000001001` view save

correct output
`3 1 1 1` view save

user output
`3 2 1 1` view save

Test 3

Subtask: 1

Verdict: ACCEPTED

input
`0111011100` view save

correct output
`3 2 1 1` view save

user output
`3 2 1 1` view save

Test 4

Subtask: 1

Verdict: ACCEPTED

input
`0100100100` view save

correct output
`4 2 1 1 1` view save

user output
`4 2 1 1 1` view save

Test 5

Subtask: 1

Verdict: ACCEPTED

input
`1110010110` view save

correct output
`4 2 1 1 1` view save

user output
`4 2 2 1 1` view save

Test 6

Subtask: 1

Verdict: ACCEPTED

input
`1111110110` view save

correct output
`3 1 1 1` view save

user output
`3 2 1 1` view save

Test 7

Subtask: 1

Verdict: ACCEPTED

input
`0011110001` view save

correct output
`3 1 2 1` view save

user output
`3 3 1 1` view save

Test 8

Subtask: 1

Verdict: ACCEPTED

input
`0111111000` view save

correct output
`2 1 1` view save

user output
`2 1 1` view save

Test 9

Subtask: 1

Verdict: ACCEPTED

input
`1111111100` view save

correct output
`2 1 1` view save

user output
`2 1 1` view save

Test 10

Subtask: 1

Verdict: ACCEPTED

input
`1000010011` view save

correct output
`3 2 1 1` view save

user output
`3 2 1 1` view save

Test 11

Subtask: 1

Verdict: ACCEPTED

input
`1101110000` view save

correct output
`3 1 1 1` view save

user output
`3 2 1 1` view save

Test 12

Subtask: 1

Verdict: ACCEPTED

input
`1101101100` view save

correct output
`4 1 2 1 1` view save

user output
`4 2 3 1 1` view save

Test 13

Subtask: 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

Subtask: 1

Verdict: ACCEPTED

input
`1101001011` view save

correct output
`4 2 2 2 1` view save

user output
`4 2 2 2 1` view save

Test 15

Subtask: 1

Verdict: ACCEPTED

input
`1110110010` view save

correct output
`4 1 2 1 1` view save

user output
`4 3 2 1 1` view save

Test 16

Subtask: 1

Verdict: ACCEPTED

input
`0011011100` view save

correct output
`3 3 2 1` view save

user output
`3 3 2 1` view save

Test 17

Subtask: 1

Verdict: ACCEPTED

input
`1100101011` view save

correct output
`QAQ` view save

user output
`QAQ` view save

Test 18

Subtask: 1

Verdict: ACCEPTED

input
`1101100111` view save

correct output
`3 2 2 1` view save

user output
`3 2 2 1` view save

Test 19

Subtask: 1

Verdict: ACCEPTED

input
`0110000100` view save

correct output
`3 2 1 1` view save

user output
`3 2 1 1` view save

Test 20

Subtask: 1

Verdict: ACCEPTED

input
`0000101000` view save

correct output
`QAQ` view save

user output
`QAQ` view save

Test 21

Subtask: 2

Verdict: ACCEPTED

input
`1110010100` view save

correct output
`QAQ` view save

user output
`QAQ` view save

Test 22

Subtask: 2

Verdict: ACCEPTED

input
`1110010000` view save

correct output
`3 2 1 1` view save

user output
`3 2 1 1` view save

Test 23

Subtask: 2

Verdict: ACCEPTED

input
`1001101100` view save

correct output
`4 1 1 1 1` view save

user output
`4 2 1 1 1` view save

Test 24

Subtask: 2

Verdict: ACCEPTED

input
`0000000111` view save

correct output
`2 1 1` view save

user output
`2 1 1` view save

Test 25

Subtask: 2

Verdict: ACCEPTED

input
`0011111110` view save

correct output
`2 2 1` view save

user output
`2 2 1` view save

Test 26

Subtask: 2

Verdict: ACCEPTED

input
`1100101100` view save

correct output
`4 2 1 1 1` view save

user output
`4 2 2 1 1` view save

Test 27

Subtask: 2

Verdict: ACCEPTED

input
`0111101110` view save

correct output
`3 2 1 1` view save

user output
`3 2 1 1` view save

Test 28

Subtask: 2

Verdict: ACCEPTED

input
`0000011011` view save

correct output
`3 2 1 1` view save

user output
`3 2 1 1` view save

Test 29

Subtask: 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

Subtask: 2

Verdict: ACCEPTED

input
`0001011011` view save

correct output
`4 1 1 1 1` view save

user output
`4 2 2 1 1` view save

Test 31

Subtask: 2

Verdict: ACCEPTED

input
`0010110011` view save

correct output
`4 1 1 1 1` view save

user output
`4 2 2 1 1` view save

Test 32

Subtask: 2

Verdict: ACCEPTED

input
`0011100000` view save

correct output
`2 2 1` view save

user output
`2 2 1` view save

Test 33

Subtask: 2

Verdict: ACCEPTED

input
`1110100110` view save

correct output
`4 1 1 1 1` view save

user output
`4 2 2 1 1` view save

Test 34

Subtask: 2

Verdict: ACCEPTED

input
`0110110111` view save

correct output
`4 2 1 1 1` view save

user output
`4 2 1 1 1` view save

Test 35

Subtask: 2

Verdict: ACCEPTED

input
`1110110010` view save

correct output
`4 1 2 1 1` view save

user output
`4 3 2 1 1` view save

Test 36

Subtask: 2

Verdict: ACCEPTED

input
`110011001100110011001010101010...` view save

correct output
`QAQ` view save

user output
`QAQ` view save

Test 37

Subtask: 2

Verdict: ACCEPTED

input
`110011001100110011001100101010...` view save

correct output
`QAQ` view save

user output
`QAQ` view save

Test 38

Subtask: 2

Verdict: ACCEPTED

input
`110011001100110011001100110011...` view save

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

user output
`31 20 19 18 17 16 15 14 13 12 11 ...` view save

Test 39

Subtask: 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

Subtask: 2

Verdict: ACCEPTED

input
`011010000011111011110000110011...` view save

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

user output
`23 13 13 12 11 11 11 11 10 9 9 9 ...` view save

Test 41

Subtask: 3

Verdict: ACCEPTED

input
`0010101000` view save

correct output
`QAQ` view save

user output
`QAQ` view save

Test 42

Subtask: 3

Verdict: ACCEPTED

input
`0100010110` view save

correct output
`4 2 1 1 1` view save

user output
`4 2 1 1 1` view save

Test 43

Subtask: 3

Verdict: ACCEPTED

input
`0100110110` view save

correct output
`4 2 1 1 1` view save

user output
`4 2 1 1 1` view save

Test 44

Subtask: 3

Verdict: ACCEPTED

input
`1110000001` view save

correct output
`2 2 1` view save

user output
`2 2 1` view save

Test 45

Subtask: 3

Verdict: ACCEPTED

input
`0001001110` view save

correct output
`3 2 2 1` view save

user output
`3 2 2 1` view save

Test 46

Subtask: 3

Verdict: ACCEPTED

input
`0011100011` view save

correct output
`3 1 2 1` view save

user output
`3 3 1 1` view save

Test 47

Subtask: 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

Subtask: 3

Verdict: ACCEPTED

input
`0001001000` view save

correct output
`3 2 2 1` view save

user output
`3 2 2 1` view save

Test 49

Subtask: 3

Verdict: ACCEPTED

input
`0100100010` view save

correct output
`4 2 1 1 1` view save

user output
`4 2 1 1 1` view save

Test 50

Subtask: 3

Verdict: ACCEPTED

input
`1100101110` view save

correct output
`4 2 1 1 1` view save

user output
`4 2 2 1 1` view save

Test 51

Subtask: 3

Verdict: ACCEPTED

input
`1000111011` view save

correct output
`3 2 1 1` view save

user output
`3 2 1 1` view save

Test 52

Subtask: 3

Verdict: ACCEPTED

input
`1000111111` view save

correct output
`2 1 1` view save

user output
`2 1 1` view save

Test 53

Subtask: 3

Verdict: ACCEPTED

input
`0110011100` view save

correct output
`3 2 1 1` view save

user output
`3 2 1 1` view save

Test 54

Subtask: 3

Verdict: ACCEPTED

input
`0001000110` view save

correct output
`3 2 2 1` view save

user output
`3 2 2 1` view save

Test 55

Subtask: 3

Verdict: ACCEPTED

input
`1110110010` view save

correct output
`4 1 2 1 1` view save

user output
`4 3 2 1 1` view save

Test 56

Subtask: 3

Verdict: ACCEPTED

input
`110011001100110011001100110011...` view save

correct output
`QAQ` view save

user output
`QAQ` view save

Test 57

Subtask: 3

Verdict: ACCEPTED

input
`110011001100110011001100110011...` view save

correct output
`QAQ` view save

user output
`QAQ` view save

Test 58

Subtask: 3

Verdict: ACCEPTED

input
`110011001100110011001100110011...` view save

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

user output
`1501 1000 999 998 997 996 995 994 9...` view save

Test 59

Subtask: 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

Subtask: 3

Verdict: ACCEPTED

input
`011100011001011111111000010110...` view save

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

user output
`1272 648 648 647 647 646 645 645 64...` view save

Test 61

Subtask: 4

Verdict: ACCEPTED

input
`1110101110` view save

correct output
`QAQ` view save

user output
`QAQ` view save

Test 62

Subtask: 4

Verdict: ACCEPTED

input
`0111001011` view save

correct output
`4 2 1 1 1` view save

user output
`4 2 1 1 1` view save

Test 63

Subtask: 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

Subtask: 4

Verdict: ACCEPTED

input
`1001110001` view save

correct output
`3 2 1 1` view save

user output
`3 2 1 1` view save

Test 65

Subtask: 4

Verdict: ACCEPTED

input
`1000000011` view save

correct output
`2 1 1` view save

user output
`2 1 1` view save

Test 66

Subtask: 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

Subtask: 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

Subtask: 4

Verdict: ACCEPTED

input
`0010111101` view save

correct output
`4 1 1 1 1` view save

user output
`4 2 2 1 1` view save

Test 69

Subtask: 4

Verdict: ACCEPTED

input
`0011111000` view save

correct output
`2 2 1` view save

user output
`2 2 1` view save

Test 70

Subtask: 4

Verdict: ACCEPTED

input
`1101001101` view save

correct output
`4 2 2 2 1` view save

user output
`4 2 2 2 1` view save

Test 71

Subtask: 4

Verdict: ACCEPTED

input
`0110111000` view save

correct output
`3 2 1 1` view save

user output
`3 2 1 1` view save

Test 72

Subtask: 4

Verdict: ACCEPTED

input
`1100110111` view save

correct output
`3 3 2 1` view save

user output
`3 3 2 1` view save

Test 73

Subtask: 4

Verdict: ACCEPTED

input
`1110011111` view save

correct output
`2 2 1` view save

user output
`2 2 1` view save

Test 74

Subtask: 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

Subtask: 4

Verdict: ACCEPTED

input
`1110110010` view save

correct output
`4 1 2 1 1` view save

user output
`4 3 2 1 1` view save

Test 76

Subtask: 4

Verdict: ACCEPTED

input
`110011001100110011001100110011...` view save

correct output
`QAQ` view save

user output
`QAQ` view save

Test 77

Subtask: 4

Verdict: ACCEPTED

input
`110011001100110011001100110011...` view save

correct output
`QAQ` view save

user output
`QAQ` view save

Test 78

Subtask: 4

Verdict: ACCEPTED

input
`110011001100110011001100110011...` view save

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

user output
`30001 20000 19999 19998 19997 19996 ...` view save

Test 79

Subtask: 4

Verdict: ACCEPTED

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
`49998 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` view save

Test 80

Subtask: 4

Verdict: ACCEPTED

input
`111000110000011000001101010010...` view save

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

user output
`25011 12472 12471 12470 12469 12468 ...` view save

Datatähti 2016 peili

Bittipeli

Compiler report

Code

Test details

Test 1

Test 2

Test 3

Test 4

Test 5

Test 6

Test 7

Test 8

Test 9

Test 10

Test 11

Test 12

Test 13

Test 14

Test 15

Test 16

Test 17

Test 18

Test 19

Test 20

Test 21

Test 22

Test 23

Test 24

Test 25

Test 26

Test 27

Test 28

Test 29

Test 30

Test 31

Test 32

Test 33

Test 34

Test 35

Test 36

Test 37

Test 38

Test 39

Test 40

Test 41

Test 42

Test 43

Test 44

Test 45

Test 46

Test 47

Test 48

Test 49

Test 50

Test 51

Test 52

Test 53

Test 54

Test 55

Test 56

Test 57

Test 58

Test 59

Test 60

Test 61

Test 62

Test 63

Test 64

Test 65

Test 66

Test 67

Test 68

Test 69

Test 70

Test 71

Test 72

Test 73

Test 74

Test 75