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Datatähti 2018 alku

Start:2017-10-02 00:00:00
End:2017-10-16 00:00:00
 

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CSES - Datatähti 2018 alku - Results
History
2017-10-07 08:00:1449
2017-10-06 14:30:3049
2017-10-06 14:23:4049
2017-10-06 13:53:1522
2017-10-06 13:52:000
2017-10-06 13:41:120
Task:Bittijono
Sender:Jace
Submission time:2017-10-07 08:00:14
Language:C++
Status:READY
Score:49

Feedback

groupverdictscore
#1ACCEPTED7
#2ACCEPTED15
#3ACCEPTED27
#4TIME LIMIT EXCEEDED0

Test results

testverdicttime (s)group
#1ACCEPTED0.05 / 1.001details
#2ACCEPTED0.05 / 1.001details
#3ACCEPTED0.06 / 1.001details
#4ACCEPTED0.06 / 1.001details
#5ACCEPTED0.05 / 1.001details
#6ACCEPTED0.04 / 1.001details
#7ACCEPTED0.05 / 1.001details
#8ACCEPTED0.04 / 1.001details
#9ACCEPTED0.06 / 1.001details
#10ACCEPTED0.05 / 1.001details
#11ACCEPTED0.04 / 1.002details
#12ACCEPTED0.05 / 1.002details
#13ACCEPTED0.04 / 1.002details
#14ACCEPTED0.04 / 1.002details
#15ACCEPTED0.04 / 1.002details
#16ACCEPTED0.04 / 1.002details
#17ACCEPTED0.05 / 1.002details
#18ACCEPTED0.04 / 1.002details
#19ACCEPTED0.07 / 1.002details
#20ACCEPTED0.04 / 1.002details
#21ACCEPTED0.04 / 1.003details
#22ACCEPTED0.06 / 1.003details
#23ACCEPTED0.08 / 1.003details
#24ACCEPTED0.07 / 1.003details
#25ACCEPTED0.07 / 1.003details
#26ACCEPTED0.07 / 1.003details
#27ACCEPTED0.09 / 1.003details
#28ACCEPTED0.10 / 1.003details
#29ACCEPTED0.07 / 1.003details
#30ACCEPTED0.06 / 1.003details
#31TIME LIMIT EXCEEDED-- / 1.004details
#32TIME LIMIT EXCEEDED-- / 1.004details
#33TIME LIMIT EXCEEDED-- / 1.004details
#34TIME LIMIT EXCEEDED-- / 1.004details
#35TIME LIMIT EXCEEDED-- / 1.004details
#36TIME LIMIT EXCEEDED-- / 1.004details
#37TIME LIMIT EXCEEDED-- / 1.004details
#38TIME LIMIT EXCEEDED-- / 1.004details
#39TIME LIMIT EXCEEDED-- / 1.004details
#40TIME LIMIT EXCEEDED-- / 1.004details

Code

#include <iostream>
#include <bitset>
#include <vector>

using namespace std;

int subs(string str) {
    int last[2] = {-1, -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]-48] != -1) {
            dp[i] = dp[i] - dp[last[str[i-1]-48]];
        }
        last[str[i-1]-48] = (i-1);
    }
    return dp[n]-1;
}

int main() {
    int n, i;
    cin >> n;
    
    int max_k[28] = {0, 1, 3, 6, 11, 19, 32, 53, 87, 142, 231, 375, 608, 985, 1595, 2582, 4179, 6763, 10944, 17709, 28655, 46366, 75023, 121391, 196416, 317809, 514227, 832038};
    
    for (int j; j < 28; j++) {
        if (n > max_k[j]) {
            i = 1<<j;
        }
    }
    
    i = 1;
    
    while(1) {
    
        string d = bitset<32>(i).to_string();
        size_t f = d.find_first_of('1');
        string e = d.substr(f, 32-f);
        int seqs = subs(e);
        
        if (seqs == n){
            cout << e << "\n";
            break;
        }
        
        i++;
        
    }
} 

Test details

Test 1

Group: 1

Verdict: ACCEPTED

input
1
view   save

correct output
1
view   save

user output
1
view   save

Test 2

Group: 1

Verdict: ACCEPTED

input
2
view   save

correct output
11
view   save

user output
11
view   save

Test 3

Group: 1

Verdict: ACCEPTED

input
3
view   save

correct output
10
view   save

user output
10
view   save

Test 4

Group: 1

Verdict: ACCEPTED

input
4
view   save

correct output
1111
view   save

user output
1111
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Test 5

Group: 1

Verdict: ACCEPTED

input
5
view   save

correct output
110
view   save

user output
100
view   save

Test 6

Group: 1

Verdict: ACCEPTED

input
6
view   save

correct output
101
view   save

user output
101
view   save

Test 7

Group: 1

Verdict: ACCEPTED

input
7
view   save

correct output
1110
view   save

user output
1000
view   save

Test 8

Group: 1

Verdict: ACCEPTED

input
8
view   save

correct output
1100
view   save

user output
1100
view   save

Test 9

Group: 1

Verdict: ACCEPTED

input
9
view   save

correct output
1101
view   save

user output
1011
view   save

Test 10

Group: 1

Verdict: ACCEPTED

input
10
view   save

correct output
1001
view   save

user output
1001
view   save

Test 11

Group: 2

Verdict: ACCEPTED

input
38
view   save

correct output
1101011
view   save

user output
1101011
view   save

Test 12

Group: 2

Verdict: ACCEPTED

input
13
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correct output
11011
view   save

user output
11011
view   save

Test 13

Group: 2

Verdict: ACCEPTED

input
90
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correct output
111001010
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user output
100100010
view   save

Test 14

Group: 2

Verdict: ACCEPTED

input
25
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correct output
110010
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user output
101100
view   save

Test 15

Group: 2

Verdict: ACCEPTED

input
82
view   save

correct output
111001101
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user output
100010011
view   save

Test 16

Group: 2

Verdict: ACCEPTED

input
94
view   save

correct output
1100011110
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user output
1000011100
view   save

Test 17

Group: 2

Verdict: ACCEPTED

input
100
view   save

correct output
1111001001
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user output
1001001111
view   save

Test 18

Group: 2

Verdict: ACCEPTED

input
99
view   save

correct output
110010010
view   save

user output
100011010
view   save

Test 19

Group: 2

Verdict: ACCEPTED

input
98
view   save

correct output
110110010
view   save

user output
100111010
view   save

Test 20

Group: 2

Verdict: ACCEPTED

input
92
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correct output
100110001
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user output
100011001
view   save

Test 21

Group: 3

Verdict: ACCEPTED

input
1666
view   save

correct output
101101100100101
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user output
100100010101010
view   save

Test 22

Group: 3

Verdict: ACCEPTED

input
897
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correct output
11101001101010
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user output
10100010110100
view   save

Test 23

Group: 3

Verdict: ACCEPTED

input
4466
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correct output
111101010110100101
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user output
101001001110001011
view   save

Test 24

Group: 3

Verdict: ACCEPTED

input
4240
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correct output
11011001011010101
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user output
10101011010011011
view   save

Test 25

Group: 3

Verdict: ACCEPTED

input
3089
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correct output
1011001010100101
view   save

user output
1010010101001101
view   save

Test 26

Group: 3

Verdict: ACCEPTED

input
4697
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correct output
11010101101010110
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user output
10010101001010100
view   save

Test 27

Group: 3

Verdict: ACCEPTED

input
4608
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correct output
11010110101001010
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user output
10101101010010100
view   save

Test 28

Group: 3

Verdict: ACCEPTED

input
4625
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correct output
111011001100101001
view   save

user output
100010101110110110
view   save

Test 29

Group: 3

Verdict: ACCEPTED

input
4611
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correct output
11010101010101100
view   save

user output
10101101011010100
view   save

Test 30

Group: 3

Verdict: ACCEPTED

input
4917
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correct output
10110100101010110
view   save

user output
10010101011010010
view   save

Test 31

Group: 4

Verdict: TIME LIMIT EXCEEDED

input
178555
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correct output
1011010110110101010110110
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user output
(no output)
view   save

Test 32

Group: 4

Verdict: TIME LIMIT EXCEEDED

input
864856
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correct output
10111010110110100100101010010
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user output
(no output)
view   save

Test 33

Group: 4

Verdict: TIME LIMIT EXCEEDED

input
112146
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correct output
1101110101011001100100110
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user output
(no output)
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Test 34

Group: 4

Verdict: TIME LIMIT EXCEEDED

input
741124
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correct output
1011010011010101100101011010
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user output
(no output)
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Test 35

Group: 4

Verdict: TIME LIMIT EXCEEDED

input
511902
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correct output
1011010100011010100101001110
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user output
(no output)
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Test 36

Group: 4

Verdict: TIME LIMIT EXCEEDED

input
920019
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correct output
11100100101101010101001101010
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user output
(no output)
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Test 37

Group: 4

Verdict: TIME LIMIT EXCEEDED

input
933943
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correct output
10101011010100100110100111001
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user output
(no output)
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Test 38

Group: 4

Verdict: TIME LIMIT EXCEEDED

input
973410
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correct output
1011010101011010101010101001
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user output
(no output)
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Test 39

Group: 4

Verdict: TIME LIMIT EXCEEDED

input
954943
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correct output
10110110010011010100100110101
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user output
(no output)
view   save

Test 40

Group: 4

Verdict: TIME LIMIT EXCEEDED

input
911674
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correct output
1010110010110101010101010110
view   save

user output
(no output)
view   save