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

Test results
test	verdict	time	group
#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

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 2 1 1` view save

Test 3

Group: 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

Group: 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

Group: 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

Group: 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

Group: 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

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
`3 2 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 2 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
`4 2 3 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
`4 2 2 2 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 1 1` view save

Test 16

Group: 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

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
`3 2 2 1` view save

Test 19

Group: 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

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 2 1 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 2 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: 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

Group: 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

Group: 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

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 2 2 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 2 2 1 1` view save

Test 32

Group: 2

Verdict: ACCEPTED

input
`0011100000` view save

correct output
`2 2 1` view save

user output
`2 2 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 2 2 1 1` view save

Test 34

Group: 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

Group: 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

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: 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

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: 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

Group: 3

Verdict: ACCEPTED

input
`0010101000` view save

correct output
`QAQ` view save

user output
`QAQ` view save

Test 42

Group: 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

Group: 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

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: ACCEPTED

input
`0001001110` view save

correct output
`3 2 2 1` view save

user output
`3 2 2 1` view save

Test 46

Group: 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

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
`3 2 2 1` view save

Test 49

Group: 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

Group: 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

Group: 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

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
`3 2 1 1` view save

Test 54

Group: 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

Group: 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

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: 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

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: 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

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 2 1 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: ACCEPTED

input
`1001110001` view save

correct output
`3 2 1 1` view save

user output
`3 2 1 1` 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 2 2 1 1` view save

Test 69

Group: 4

Verdict: ACCEPTED

input
`0011111000` view save

correct output
`2 2 1` view save

user output
`2 2 1` view save

Test 70

Group: 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

Group: 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

Group: 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

Group: 4

Verdict: ACCEPTED

input
`1110011111` view save

correct output
`2 2 1` view save

user output
`2 2 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 1 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: 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

Group: 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

Group: 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

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