CSES - Datatähti 2018 alku - Results
Submission details
Task:Bittijono
Sender:Leiska
Submission time:2017-10-10 18:40:59 +0300
Language:C++
Status:READY
Result:49
Feedback
groupverdictscore
#1ACCEPTED7
#2ACCEPTED15
#3ACCEPTED27
#40
Test results
testverdicttimegroup
#1ACCEPTED0.05 s1details
#2ACCEPTED0.05 s1details
#3ACCEPTED0.04 s1details
#4ACCEPTED0.05 s1details
#5ACCEPTED0.06 s1details
#6ACCEPTED0.06 s1details
#7ACCEPTED0.05 s1details
#8ACCEPTED0.07 s1details
#9ACCEPTED0.06 s1details
#10ACCEPTED0.04 s1details
#11ACCEPTED0.05 s2details
#12ACCEPTED0.05 s2details
#13ACCEPTED0.06 s2details
#14ACCEPTED0.05 s2details
#15ACCEPTED0.04 s2details
#16ACCEPTED0.04 s2details
#17ACCEPTED0.04 s2details
#18ACCEPTED0.07 s2details
#19ACCEPTED0.05 s2details
#20ACCEPTED0.04 s2details
#21ACCEPTED0.06 s3details
#22ACCEPTED0.06 s3details
#23ACCEPTED0.16 s3details
#24ACCEPTED0.09 s3details
#25ACCEPTED0.08 s3details
#26ACCEPTED0.09 s3details
#27ACCEPTED0.08 s3details
#28ACCEPTED0.25 s3details
#29ACCEPTED0.07 s3details
#30ACCEPTED0.09 s3details
#31--4details
#32--4details
#33--4details
#34--4details
#35--4details
#36--4details
#37--4details
#38--4details
#39--4details
#40--4details

Code

#include <iostream>
#include <string>
#include <vector>
#include <bitset>
#include <cmath>
using namespace std;
int table[28] = {2,4,7,12,20,33,54,88,143,232,376,609,986,1596,2583,4180,6764,10945,17710,28656,46367,75024,121392,196417,317810,514228,832039,1346268};
int find(string str)
{
vector<int> last(232, -1);
int n = str.length();
int dp[n+1];
dp[0] = 1;
for (int i=1; i<=n; i++)
{
dp[i] = 2*dp[i-1];
if (last[str[i-1]] != -1)
dp[i] = dp[i] - dp[last[str[i-1]]];
last[str[i-1]] = (i-1);
}
return dp[n]-1;
}
string bitstring(int n) {
int k = 1;
for(;;k++) {
if( table[k]-1 >= n) break;
}
for(;;k++) {
bitset<28> bits;
long nmax;
/*
if(k%2==0) {
for(int i=1;i<(k/2); i=i+2) {
nmax=nmax+pow(2,i);
}
}
else {
for(int i=0;i<(k/2); i=i+2) {
nmax=nmax+pow(2,i);
}
}
*/
nmax=1+((1-pow(2,k))/-1);
for(int i = 0;i<nmax;i++) {
bits=i;
string tmp = bits.to_string();
string bitstring;
bitstring.assign(tmp, tmp.length()-k, k);
if( find(bitstring) == n ) return bitstring;
}
}
return "-1";
}
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(NULL);
int n; cin >> n; cout << bitstring(n) << endl;
}

Test details

Test 1

Group: 1

Verdict: ACCEPTED

input
1

correct output
1

user output
0

Test 2

Group: 1

Verdict: ACCEPTED

input
2

correct output
11

user output
00

Test 3

Group: 1

Verdict: ACCEPTED

input
3

correct output
10

user output
01

Test 4

Group: 1

Verdict: ACCEPTED

input
4

correct output
1111

user output
0000

Test 5

Group: 1

Verdict: ACCEPTED

input
5

correct output
110

user output
001

Test 6

Group: 1

Verdict: ACCEPTED

input
6

correct output
101

user output
010

Test 7

Group: 1

Verdict: ACCEPTED

input
7

correct output
1110

user output
0001

Test 8

Group: 1

Verdict: ACCEPTED

input
8

correct output
1100

user output
0011

Test 9

Group: 1

Verdict: ACCEPTED

input
9

correct output
1101

user output
0010

Test 10

Group: 1

Verdict: ACCEPTED

input
10

correct output
1001

user output
0110

Test 11

Group: 2

Verdict: ACCEPTED

input
38

correct output
1101011

user output
0010100

Test 12

Group: 2

Verdict: ACCEPTED

input
13

correct output
11011

user output
00100

Test 13

Group: 2

Verdict: ACCEPTED

input
90

correct output
111001010

user output
000110101

Test 14

Group: 2

Verdict: ACCEPTED

input
25

correct output
110010

user output
001101

Test 15

Group: 2

Verdict: ACCEPTED

input
82

correct output
111001101

user output
000110010

Test 16

Group: 2

Verdict: ACCEPTED

input
94

correct output
1100011110

user output
0011100001

Test 17

Group: 2

Verdict: ACCEPTED

input
100

correct output
1111001001

user output
0000110110

Test 18

Group: 2

Verdict: ACCEPTED

input
99

correct output
110010010

user output
001101101

Test 19

Group: 2

Verdict: ACCEPTED

input
98

correct output
110110010

user output
001001101

Test 20

Group: 2

Verdict: ACCEPTED

input
92

correct output
100110001

user output
011001110

Test 21

Group: 3

Verdict: ACCEPTED

input
1666

correct output
101101100100101

user output
010010011011010

Test 22

Group: 3

Verdict: ACCEPTED

input
897

correct output
11101001101010

user output
00010110010101

Test 23

Group: 3

Verdict: ACCEPTED

input
4466

correct output
111101010110100101

user output
000010101001011010

Test 24

Group: 3

Verdict: ACCEPTED

input
4240

correct output
11011001011010101

user output
00100110100101010

Test 25

Group: 3

Verdict: ACCEPTED

input
3089

correct output
1011001010100101

user output
0100110101011010

Test 26

Group: 3

Verdict: ACCEPTED

input
4697

correct output
11010101101010110

user output
00101010010101001

Test 27

Group: 3

Verdict: ACCEPTED

input
4608

correct output
11010110101001010

user output
00101001010110101

Test 28

Group: 3

Verdict: ACCEPTED

input
4625

correct output
111011001100101001

user output
000100110011010110

Test 29

Group: 3

Verdict: ACCEPTED

input
4611

correct output
11010101010101100

user output
00101010101010011

Test 30

Group: 3

Verdict: ACCEPTED

input
4917

correct output
10110100101010110

user output
01001011010101001

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)