CSES - Datatähti 2018 alku - Results
Submission details
Task:Bittijono
Sender:inkeri
Submission time:2017-10-15 23:26:35 +0300
Language:C++
Status:READY
Result:49
Feedback
groupverdictscore
#1ACCEPTED7
#2ACCEPTED15
#3ACCEPTED27
#40
Test results
testverdicttimegroup
#1ACCEPTED0.05 s1details
#2ACCEPTED0.07 s1details
#3ACCEPTED0.04 s1details
#4ACCEPTED0.06 s1details
#5ACCEPTED0.07 s1details
#6ACCEPTED0.06 s1details
#7ACCEPTED0.06 s1details
#8ACCEPTED0.07 s1details
#9ACCEPTED0.06 s1details
#10ACCEPTED0.05 s1details
#11ACCEPTED0.05 s2details
#12ACCEPTED0.06 s2details
#13ACCEPTED0.06 s2details
#14ACCEPTED0.06 s2details
#15ACCEPTED0.06 s2details
#16ACCEPTED0.06 s2details
#17ACCEPTED0.05 s2details
#18ACCEPTED0.05 s2details
#19ACCEPTED0.06 s2details
#20ACCEPTED0.06 s2details
#21ACCEPTED0.05 s3details
#22ACCEPTED0.05 s3details
#23ACCEPTED0.08 s3details
#24ACCEPTED0.06 s3details
#25ACCEPTED0.06 s3details
#26ACCEPTED0.07 s3details
#27ACCEPTED0.08 s3details
#28ACCEPTED0.13 s3details
#29ACCEPTED0.08 s3details
#30ACCEPTED0.06 s3details
#31--4details
#32--4details
#33--4details
#34--4details
#35--4details
#36--4details
#37--4details
#38--4details
#39--4details
#40--4details

Code

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;

ll alijonot(string bj) {
    ll maara = 0;
    ll uusia0 = 1;
    ll uusia1 = 1;
    for (unsigned long long i = 0; i < bj.length(); i++) {
        char c = bj[i];
        if (c == '1') {
            maara += uusia1;
            uusia0 += uusia1;
        } else {
            maara += uusia0;
            uusia1 += uusia0;
        }
    }
    return maara;
}

int main() {
  ios_base::sync_with_stdio(false);
  ll tavoite;
  cin >> tavoite;

  ll minimi = 1;
  ll maksimi = 28;
  while (minimi != maksimi) {
      ll pituus = ll((minimi + maksimi) / 2);
      ll arvo = 1;
      for (ll i = 0; i < pituus - 1; i++) {
          arvo*=2;
          arvo+=(i%2);
      }
      string jono = bitset<29>(arvo).to_string();
      jono.erase(0, 29 - pituus);
      if (alijonot(jono) >= tavoite) {
          maksimi = pituus;
      } else {
          minimi = pituus + 1;
      }
  }
  ll pituus = minimi;
  ll alku = pow(2, pituus - 1);
  ll loppu = 2*alku;
  set<ll> kaytetyt;
  while (true) {
      int mod = (alku + 1) % 3;
      for (ll i = alku; i < loppu; i++) {
          if (tavoite % 2 == 0) {
              if (i % 3 != mod) {
                  continue;
              }
          } else if (i % 3 == mod) {
              continue;
          }
          if (kaytetyt.count(i) != 0) {
              continue;
          }
          string jono = bitset<30>(i).to_string();
          jono.erase(0, 30 - pituus);
        // if (kaytetyt.count(jono) != 0) {
        //     continue;
        // }
          if (alijonot(jono) == tavoite) {
              cout << jono << endl;
              return 0;
          }
          if (i % 2 != 0) {
              reverse(jono.begin(),jono.end());
              bitset<30> bits;
              istringstream is(jono);
              is >> bits;
              kaytetyt.insert(bits.to_ulong());
          } else {
              jono = bitset<30>(loppu-1-i).to_string();
              jono.erase(0, 30-pituus);
              reverse(jono.begin(),jono.end());
              bitset<30> bits;
              istringstream is(jono);
              is >> bits;
              kaytetyt.insert(bits.to_ulong());
          }
      }
      alku = loppu;
      loppu *= 2;
      pituus += 1;
  }
}

Test details

Test 1

Group: 1

Verdict: ACCEPTED

input
1

correct output
1

user output
1

Test 2

Group: 1

Verdict: ACCEPTED

input
2

correct output
11

user output
11

Test 3

Group: 1

Verdict: ACCEPTED

input
3

correct output
10

user output
10

Test 4

Group: 1

Verdict: ACCEPTED

input
4

correct output
1111

user output
1111

Test 5

Group: 1

Verdict: ACCEPTED

input
5

correct output
110

user output
100

Test 6

Group: 1

Verdict: ACCEPTED

input
6

correct output
101

user output
101

Test 7

Group: 1

Verdict: ACCEPTED

input
7

correct output
1110

user output
1000

Test 8

Group: 1

Verdict: ACCEPTED

input
8

correct output
1100

user output
1100

Test 9

Group: 1

Verdict: ACCEPTED

input
9

correct output
1101

user output
1011

Test 10

Group: 1

Verdict: ACCEPTED

input
10

correct output
1001

user output
1001

Test 11

Group: 2

Verdict: ACCEPTED

input
38

correct output
1101011

user output
1101011

Test 12

Group: 2

Verdict: ACCEPTED

input
13

correct output
11011

user output
11011

Test 13

Group: 2

Verdict: ACCEPTED

input
90

correct output
111001010

user output
100100010

Test 14

Group: 2

Verdict: ACCEPTED

input
25

correct output
110010

user output
101100

Test 15

Group: 2

Verdict: ACCEPTED

input
82

correct output
111001101

user output
100010011

Test 16

Group: 2

Verdict: ACCEPTED

input
94

correct output
1100011110

user output
1000011100

Test 17

Group: 2

Verdict: ACCEPTED

input
100

correct output
1111001001

user output
1001001111

Test 18

Group: 2

Verdict: ACCEPTED

input
99

correct output
110010010

user output
100011010

Test 19

Group: 2

Verdict: ACCEPTED

input
98

correct output
110110010

user output
100111010

Test 20

Group: 2

Verdict: ACCEPTED

input
92

correct output
100110001

user output
100011001

Test 21

Group: 3

Verdict: ACCEPTED

input
1666

correct output
101101100100101

user output
100100010101010

Test 22

Group: 3

Verdict: ACCEPTED

input
897

correct output
11101001101010

user output
10100010110100

Test 23

Group: 3

Verdict: ACCEPTED

input
4466

correct output
111101010110100101

user output
101001001110001011

Test 24

Group: 3

Verdict: ACCEPTED

input
4240

correct output
11011001011010101

user output
10101011010011011

Test 25

Group: 3

Verdict: ACCEPTED

input
3089

correct output
1011001010100101

user output
1010010101001101

Test 26

Group: 3

Verdict: ACCEPTED

input
4697

correct output
11010101101010110

user output
10010101001010100

Test 27

Group: 3

Verdict: ACCEPTED

input
4608

correct output
11010110101001010

user output
10101101010010100

Test 28

Group: 3

Verdict: ACCEPTED

input
4625

correct output
111011001100101001

user output
100010101110110110

Test 29

Group: 3

Verdict: ACCEPTED

input
4611

correct output
11010101010101100

user output
10101101011010100

Test 30

Group: 3

Verdict: ACCEPTED

input
4917

correct output
10110100101010110

user output
10010101011010010

Test 31

Group: 4

Verdict:

input
178555

correct output
1011010110110101010110110

user output
(empty)

Test 32

Group: 4

Verdict:

input
864856

correct output
10111010110110100100101010010

user output
(empty)

Test 33

Group: 4

Verdict:

input
112146

correct output
1101110101011001100100110

user output
(empty)

Test 34

Group: 4

Verdict:

input
741124

correct output
1011010011010101100101011010

user output
(empty)

Test 35

Group: 4

Verdict:

input
511902

correct output
1011010100011010100101001110

user output
(empty)

Test 36

Group: 4

Verdict:

input
920019

correct output
11100100101101010101001101010

user output
(empty)

Test 37

Group: 4

Verdict:

input
933943

correct output
10101011010100100110100111001

user output
(empty)

Test 38

Group: 4

Verdict:

input
973410

correct output
1011010101011010101010101001

user output
(empty)

Test 39

Group: 4

Verdict:

input
954943

correct output
10110110010011010100100110101

user output
(empty)

Test 40

Group: 4

Verdict:

input
911674

correct output
1010110010110101010101010110

user output
(empty)