CSES - Datatähti Open 2019 - Results
Submission details
Task:Binary tree
Sender:SpeedOfMagic
Submission time:2019-01-19 15:25:24
Language:C++
Status:READY
Result:100
Feedback
groupverdictscore
#1ACCEPTED23
#2ACCEPTED26
#3ACCEPTED51
Test results
testverdicttimegroup
#1ACCEPTED0.01 s1details
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#55ACCEPTED0.20 s3details
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#60ACCEPTED0.15 s3details
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#64ACCEPTED0.19 s3details
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#66ACCEPTED0.18 s3details
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#77ACCEPTED0.01 s3details

Code

/** MIT License Copyright (c) 2018-2019(!) Vasilyev Daniil **/
#include <bits/stdc++.h>
using namespace std;
template<typename T> using v = vector<T>;
#define int long long
typedef long double ld;
typedef string str;
typedef vector<int> vint;
#define rep(a, l, r) for(int a = (l); a < (r); a++)
#define pb push_back
#define fs first
#define sc second
#define sz(a) ((int) a.size())
const long long inf = 4611686018427387903; //2^62 - 1
#if 0  //FileIO
const string fileName = "";
ifstream fin ((fileName == "" ? "input.txt"  : fileName + ".in" ));
ofstream fout((fileName == "" ? "output.txt" : fileName + ".out"));
#define get fin >>
#define put fout <<
#else
#define get cin >>
#define put cout <<
#endif
#define eol put endl
void read() {} template<typename Arg,typename... Args> void read (Arg& arg,Args&... args){get (arg)     ;read(args...) ;}
void print(){} template<typename Arg,typename... Args> void print(Arg  arg,Args...  args){put (arg)<<" ";print(args...);}
int getInt(){int a; get a; return a;}
//code starts here
const int mod = 1e9 + 7;
void run() {
    int n, m;
    read(n, m);
    int d = 1;
    rep(i, 0, n - 2)
        d <<= 1;
    int left = d;
    int right = d;
    int a[m];
    rep(i, 0, m)
        get a[i];
    sort(a, a + m);
    set<int> removed;
    rep(i, 0, m) {
        removed.insert(a[i]);
        int cur = a[i];
        int siz = d;
        while (cur > 3) {
            cur >>= 1;
            siz >>= 1;
            if (removed.count(cur))
                goto nxt;
        }
        if (cur == 2)
            left -= siz;
        else if (cur == 3)
            right -= siz;
        else
            assert(0);
        nxt:;
    }
    put (((left % mod) * (right % mod)) % mod * 2) % mod;
}
signed main() {srand(time(0)); ios::sync_with_stdio(0); cin.tie(0); put fixed << setprecision(12); run(); return 0;}

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: ACCEPTED

input
60 1
2

correct output
0

user output
0

Test 53

Group: 3

Verdict: ACCEPTED

input
60 1
576460752303423487

correct output
399775198

user output
399775198

Test 54

Group: 3

Verdict: ACCEPTED

input
60 1
1152921504606846975

correct output
667973450

user output
667973450

Test 55

Group: 3

Verdict: ACCEPTED

input
60 100000
793144025126277478
493960657696318193
320344157019848454
997683950258055349
...

correct output
12813436

user output
12813436

Test 56

Group: 3

Verdict: ACCEPTED

input
60 100000
986789393060040220
494066507202684187
290830182157570659
210871095549437400
...

correct output
95910570

user output
95910570

Test 57

Group: 3

Verdict: ACCEPTED

input
60 100000
562299894758506682
731132428235172865
481500339045425690
208947005967360560
...

correct output
331624281

user output
331624281

Test 58

Group: 3

Verdict: ACCEPTED

input
60 100000
257846911019866261
803021202233459674
658685893766403373
874237705485665885
...

correct output
880725152

user output
880725152

Test 59

Group: 3

Verdict: ACCEPTED

input
60 100000
681388061028265547
990382999862855868
290694941402209648
491574111397234946
...

correct output
768320742

user output
768320742

Test 60

Group: 3

Verdict: ACCEPTED

input
60 100000
816968727394104576
879176301780517486
1075817811951859004
632046213104404023
...

correct output
111155168

user output
111155168

Test 61

Group: 3

Verdict: ACCEPTED

input
60 100000
406817930303406656
101704482575856800
406817930303412346
813635860606874021
...

correct output
295651662

user output
295651662

Test 62

Group: 3

Verdict: ACCEPTED

input
59 100000
234885934259928845
244746379456935555
40048493361902167
530369614866009610
...

correct output
78892926

user output
78892926

Test 63

Group: 3

Verdict: ACCEPTED

input
16 65534
26355
15205
3420
22822
...

correct output
0

user output
0

Test 64

Group: 3

Verdict: ACCEPTED

input
60 99999
1030879879260090869
925369330408563145
403438777989811739
321883235203598800
...

correct output
596899803

user output
596899803

Test 65

Group: 3

Verdict: ACCEPTED

input
60 100000
418885324976523921
418885324976523063
837770649953084829
104721331244134167
...

correct output
0

user output
0

Test 66

Group: 3

Verdict: ACCEPTED

input
43 100000
5497882741157
4163319796881
3705445016042
8647080351851
...

correct output
317037701

user output
317037701

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