CSES - Datatähti 2019 loppu - Results
Submission details
Task:Binääripuu
Sender:Valtteri Aurela
Submission time:2019-01-17 16:46:51
Language:C++
Status:READY
Result:49
Feedback
groupverdictscore
#1ACCEPTED23
#2ACCEPTED26
#30
Test results
testverdicttimegroup
#1ACCEPTED0.10 s1details
#2ACCEPTED0.03 s1details
#3ACCEPTED0.10 s1details
#4ACCEPTED0.11 s1details
#5ACCEPTED0.11 s1details
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#20ACCEPTED0.12 s1details
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#36ACCEPTED0.03 s2details
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#48ACCEPTED0.11 s3details
#49ACCEPTED0.11 s3details
#50ACCEPTED0.04 s3details
#51ACCEPTED0.02 s3details
#520.06 s3details
#530.04 s3details
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#67ACCEPTED0.03 s3details
#68ACCEPTED0.10 s3details
#69ACCEPTED0.11 s3details
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#71ACCEPTED0.10 s3details
#72ACCEPTED0.11 s3details
#73ACCEPTED0.11 s3details
#74ACCEPTED0.11 s3details
#75ACCEPTED0.12 s3details
#76ACCEPTED0.10 s3details
#77ACCEPTED0.11 s3details

Compiler report

input/code.cpp: In function 'int main()':
input/code.cpp:81:18: warning: unused variable 'u' [-Wunused-variable]
         for(auto u : ve[i]){
                  ^

Code

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

int n;
int m;
int x;
int z[101010];
int z1[101010];
int counter=0;
int hattu = 3000;
unordered_set<int> ve[101010];
unordered_set<int> va[101010];
int reit[10101][10101];
// int kuvaus(int s){
//     int d = s % (a/2)
// }
void haku(int u, int s){
    //cout << u << " " << s << " " << z[u] << "\n";
      if(u == 1 && s != 0){
        counter++;
        return;
    }
    if(z[u]) return;
    z[u] = 1;
  
    for(auto v : ve[u]){
        if(s != v ){
            haku(v,u);
        }
    }
    z[u] = 0;
}
int main(){
    cin >> n >> m;
    if(m!=0){
    for(int i=0;i<m;i++){
       cin >> x; 
        z1[x] = x/2;
    }
    int a = 2<<(n-1);
    for(int i=0;i<(a);i++){
        if(z1[i] != i/2){
            reit[i/2][i] = 1;
            ve[i/2].insert(i);
            va[i/2].insert(i);
        }
    }
    for(int i=0;i<a/2;i+=1){
        for(auto u : va[i/2]){
//         reit[hattu+i/2][u+hattu] = 1;
            ve[hattu+i/2].insert(u+hattu);
        }
    }
    for(int i=0;i<a+hattu;i++){
        for(int j=0;j<a+hattu;j++){
            if(reit[i][j] || reit[j][i]){
                ve[j].insert(i);
            }
        }
    }
    for(int i=0;i<a+hattu;i++){
        for(auto u : ve[i]){
            ve[u].insert(i);
        }
    }

    for(int i=a/2;i<a*2;i++){
        for(auto u : ve[i]){
            ve[i].insert(u+hattu);
        }
    }
    
    for(int i=0;i<a+hattu;i++){
        for(auto u : ve[i]){
            ve[u].insert(i);
        }
    }
    
    for(int i=0;i<(1<<(n+1))+30;i++){
//         cout << i << ": ";
        for(auto u : ve[i]){
//             cout << u << " ";
        }
//         cout << "\n";
    }
    haku(1,0);
    cout << counter << "\n";
    }
    else{
        int a = 1;
        int big = 1e9+7;
        for(int i=0;i<(n-1)*2-1;i++){
            a *= 2;
            a %= big;
        }
        cout << a << "\n";
        
    }
}

Test details

Test 1

Group: 1

Verdict: ACCEPTED

input
4 3
10
5
13

correct output
12

user output
12

Test 2

Group: 1

Verdict: ACCEPTED

input
2 0

correct output
2

user output
2

Test 3

Group: 1

Verdict: ACCEPTED

input
2 1
2

correct output
0

user output
0

Test 4

Group: 1

Verdict: ACCEPTED

input
2 1
3

correct output
0

user output
0

Test 5

Group: 1

Verdict: ACCEPTED

input
2 2
2
3

correct output
0

user output
0

Test 6

Group: 1

Verdict: ACCEPTED

input
6 0

correct output
512

user output
512

Test 7

Group: 1

Verdict: ACCEPTED

input
6 1
29

correct output
448

user output
448

Test 8

Group: 1

Verdict: ACCEPTED

input
6 1
63

correct output
480

user output
480

Test 9

Group: 1

Verdict: ACCEPTED

input
6 10
50
63
56
5
...

correct output
132

user output
132

Test 10

Group: 1

Verdict: ACCEPTED

input
6 10
25
57
62
42
...

correct output
162

user output
162

Test 11

Group: 1

Verdict: ACCEPTED

input
6 10
14
26
34
42
...

correct output
126

user output
126

Test 12

Group: 1

Verdict: ACCEPTED

input
6 10
21
60
23
59
...

correct output
128

user output
128

Test 13

Group: 1

Verdict: ACCEPTED

input
6 10
8
30
32
16
...

correct output
0

user output
0

Test 14

Group: 1

Verdict: ACCEPTED

input
6 20
46
39
55
24
...

correct output
48

user output
48

Test 15

Group: 1

Verdict: ACCEPTED

input
6 25
36
23
27
33
...

correct output
4

user output
4

Test 16

Group: 1

Verdict: ACCEPTED

input
6 62
42
11
4
61
...

correct output
0

user output
0

Test 17

Group: 1

Verdict: ACCEPTED

input
6 32
62
38
57
35
...

correct output
0

user output
0

Test 18

Group: 1

Verdict: ACCEPTED

input
6 21
38
51
47
35
...

correct output
60

user output
60

Test 19

Group: 1

Verdict: ACCEPTED

input
6 31
59
15
3
26
...

correct output
0

user output
0

Test 20

Group: 1

Verdict: ACCEPTED

input
6 14
13
53
55
26
...

correct output
256

user output
256

Test 21

Group: 1

Verdict: ACCEPTED

input
5 10
5
17
21
7
...

correct output
6

user output
6

Test 22

Group: 1

Verdict: ACCEPTED

input
6 5
38
18
31
44
...

correct output
312

user output
312

Test 23

Group: 1

Verdict: ACCEPTED

input
3 0

correct output
8

user output
8

Test 24

Group: 1

Verdict: ACCEPTED

input
3 1
2

correct output
0

user output
0

Test 25

Group: 1

Verdict: ACCEPTED

input
3 1
3

correct output
0

user output
0

Test 26

Group: 1

Verdict: ACCEPTED

input
3 2
4
6

correct output
2

user output
2

Test 27

Group: 1

Verdict: ACCEPTED

input
3 2
4
7

correct output
2

user output
2

Test 28

Group: 1

Verdict: ACCEPTED

input
3 2
5
6

correct output
2

user output
2

Test 29

Group: 1

Verdict: ACCEPTED

input
3 2
5
7

correct output
2

user output
2

Test 30

Group: 1

Verdict: ACCEPTED

input
3 2
3
6

correct output
0

user output
0

Test 31

Group: 1

Verdict: ACCEPTED

input
3 3
4
5
6

correct output
0

user output
0

Test 32

Group: 1

Verdict: ACCEPTED

input
3 3
4
6
7

correct output
0

user output
0

Test 33

Group: 1

Verdict: ACCEPTED

input
3 4
4
5
6
7

correct output
0

user output
0

Test 34

Group: 1

Verdict: ACCEPTED

input
5 0

correct output
128

user output
128

Test 35

Group: 1

Verdict: ACCEPTED

input
5 1
14

correct output
96

user output
96

Test 36

Group: 2

Verdict: ACCEPTED

input
2 0

correct output
2

user output
2

Test 37

Group: 2

Verdict: ACCEPTED

input
3 0

correct output
8

user output
8

Test 38

Group: 2

Verdict: ACCEPTED

input
4 0

correct output
32

user output
32

Test 39

Group: 2

Verdict: ACCEPTED

input
23 0

correct output
92960636

user output
92960636

Test 40

Group: 2

Verdict: ACCEPTED

input
36 0

correct output
635008130

user output
635008130

Test 41

Group: 2

Verdict: ACCEPTED

input
42 0

correct output
993282280

user output
993282280

Test 42

Group: 2

Verdict: ACCEPTED

input
57 0

correct output
608377687

user output
608377687

Test 43

Group: 2

Verdict: ACCEPTED

input
58 0

correct output
433510734

user output
433510734

Test 44

Group: 2

Verdict: ACCEPTED

input
59 0

correct output
734042929

user output
734042929

Test 45

Group: 2

Verdict: ACCEPTED

input
60 0

correct output
936171702

user output
936171702

Test 46

Group: 3

Verdict: ACCEPTED

input
2 0

correct output
2

user output
2

Test 47

Group: 3

Verdict: ACCEPTED

input
2 1
2

correct output
0

user output
0

Test 48

Group: 3

Verdict: ACCEPTED

input
2 1
3

correct output
0

user output
0

Test 49

Group: 3

Verdict: ACCEPTED

input
2 2
2
3

correct output
0

user output
0

Test 50

Group: 3

Verdict: ACCEPTED

input
59 0

correct output
734042929

user output
734042929

Test 51

Group: 3

Verdict: ACCEPTED

input
60 0

correct output
936171702

user output
936171702

Test 52

Group: 3

Verdict:

input
60 1
2

correct output
0

user output
(empty)

Test 53

Group: 3

Verdict:

input
60 1
576460752303423487

correct output
399775198

user output
(empty)

Test 54

Group: 3

Verdict:

input
60 1
1152921504606846975

correct output
667973450

user output
(empty)

Test 55

Group: 3

Verdict:

input
60 100000
793144025126277478
493960657696318193
320344157019848454
997683950258055349
...

correct output
12813436

user output
(empty)

Test 56

Group: 3

Verdict:

input
60 100000
986789393060040220
494066507202684187
290830182157570659
210871095549437400
...

correct output
95910570

user output
(empty)

Test 57

Group: 3

Verdict:

input
60 100000
562299894758506682
731132428235172865
481500339045425690
208947005967360560
...

correct output
331624281

user output
(empty)

Test 58

Group: 3

Verdict:

input
60 100000
257846911019866261
803021202233459674
658685893766403373
874237705485665885
...

correct output
880725152

user output
(empty)

Test 59

Group: 3

Verdict:

input
60 100000
681388061028265547
990382999862855868
290694941402209648
491574111397234946
...

correct output
768320742

user output
(empty)

Test 60

Group: 3

Verdict:

input
60 100000
816968727394104576
879176301780517486
1075817811951859004
632046213104404023
...

correct output
111155168

user output
(empty)

Test 61

Group: 3

Verdict:

input
60 100000
406817930303406656
101704482575856800
406817930303412346
813635860606874021
...

correct output
295651662

user output
(empty)

Test 62

Group: 3

Verdict:

input
59 100000
234885934259928845
244746379456935555
40048493361902167
530369614866009610
...

correct output
78892926

user output
(empty)

Test 63

Group: 3

Verdict:

input
16 65534
26355
15205
3420
22822
...

correct output
0

user output
(empty)

Test 64

Group: 3

Verdict:

input
60 99999
1030879879260090869
925369330408563145
403438777989811739
321883235203598800
...

correct output
596899803

user output
(empty)

Test 65

Group: 3

Verdict:

input
60 100000
418885324976523921
418885324976523063
837770649953084829
104721331244134167
...

correct output
0

user output
(empty)

Test 66

Group: 3

Verdict:

input
43 100000
5497882741157
4163319796881
3705445016042
8647080351851
...

correct output
317037701

user output
(empty)

Test 67

Group: 3

Verdict: ACCEPTED

input
3 0

correct output
8

user output
8

Test 68

Group: 3

Verdict: ACCEPTED

input
3 1
2

correct output
0

user output
0

Test 69

Group: 3

Verdict: ACCEPTED

input
3 1
3

correct output
0

user output
0

Test 70

Group: 3

Verdict: ACCEPTED

input
3 2
4
6

correct output
2

user output
2

Test 71

Group: 3

Verdict: ACCEPTED

input
3 2
4
7

correct output
2

user output
2

Test 72

Group: 3

Verdict: ACCEPTED

input
3 2
5
6

correct output
2

user output
2

Test 73

Group: 3

Verdict: ACCEPTED

input
3 2
5
7

correct output
2

user output
2

Test 74

Group: 3

Verdict: ACCEPTED

input
3 2
3
6

correct output
0

user output
0

Test 75

Group: 3

Verdict: ACCEPTED

input
3 3
4
5
6

correct output
0

user output
0

Test 76

Group: 3

Verdict: ACCEPTED

input
3 3
4
6
7

correct output
0

user output
0

Test 77

Group: 3

Verdict: ACCEPTED

input
3 4
4
5
6
7

correct output
0

user output
0