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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#551958#8239. Mysterious TreeAshbourne#AC ✓6ms3864kbC++232.1kb2024-09-07 19:22:502024-09-07 19:22:50

Judging History

你现在查看的是最新测评结果

  • [2024-09-07 19:22:50]
  • 评测
  • 测评结果：AC
  • 用时：6ms
  • 内存：3864kb
查看
  • [2024-09-07 19:22:50]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
int n, m;
void solve(){
    cin >> n;
    if(n == 4){
        int sum = 0, pos;
        for(int i = 2; i <= 4; ++ i){
            cout << "? " << 1 << " " << i << endl;
            int s; cin >> s;
            sum += s;
            if(s) pos = i;
        }
        if(sum == 3) cout << "! 2" << endl;
        else
        if(sum == 2)cout << "! 1" << endl;
        else{
            sum = 0;
            for(int i = 2; i <= 4; ++ i){
                if(i == pos) continue;
                cout << "? " << pos << " " << i << endl;
                int s; cin >> s;
                sum += s;
            }
            if(sum == 2) cout << "! 2" << endl;
            if(sum == 1) cout << "! 1" << endl;
        }
        return;
    }
    bool flag = 0;
    int x, y;
    for(int i = 1; i <= n - 1; i += 2){
        cout << "? " << i << " " << i + 1 << endl;
        int s; cin >> s;
        if(s){
            flag = 1;
            x = i; y = i + 1;
            break;
        }
    }
    if((n & 1) && !flag){
        cout << "? " << n - 1 << " " << n << endl;
        int s; cin >> s;
        if(s){
            flag = 1;
            x = n - 1; y = n;
        }
    }
    if(!flag){
        cout << "! 1" << endl;
    }else{
        vector<int> dat(4);
        int s = 0;
        for(int i = 1; i <= n; ++ i){
            if(i != x && i != y) dat[++s] = i;
            if(s == 3) break;
        }
        int sum = 0;
        cout << "? " << x << " " << dat[1] << endl;
        int s1 = 0;
        cin >> s1;
        sum += s1;
        cout << "? " << y << " " << dat[2] << endl;
        int s2 = 0;
        cin >> s2;
        sum += s2;
        if(sum == 0 || sum == 2) {
            cout << "! 1" << endl;
        }else{
            int pos;
            if(s1) pos = x; else pos = y;
            cout << "? " << pos << " " << dat[3] << endl;
            int s3; cin >> s3;
            if(s3) cout << "! 2" << endl;
            else cout << "! 1" << endl;
        }
    }
}
int main(){
    ios::sync_with_stdio(0);
    int T;
    cin >> T;
    while(T--) solve();
}
Source code, Language: C++23

这程序好像有点Bug，我给组数据试试？

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 1ms
memory: 3564kb

input:

2
4
1
0
0
1
0
4
0
1
0
1
1

output:

? 1 2
? 1 3
? 1 4
? 2 3
? 2 4
! 1
? 1 2
? 1 3
? 1 4
? 3 2
? 3 4
! 2

result:

ok Correct (2 test cases)

Test #2:

score: 0
Accepted
time: 0ms
memory: 3576kb

input:

87
13
0
0
0
0
0
1
0
1
1
15
0
0
0
0
0
0
1
1
0
1
7
0
0
0
1
0
1
1
15
0
0
0
1
0
0
19
0
0
0
0
0
1
1
0
1
20
0
0
0
0
0
0
0
0
0
0
7
0
0
1
0
1
1
20
0
0
0
0
0
0
0
1
1
0
1
17
0
0
0
0
0
0
0
0
0
11
1
0
1
0
14
0
0
0
0
0
0
0
13
0
0
0
0
0
0
0
18
0
0
0
0
0
1
0
1
1
14
0
1
0
1
1
20
0
0
0
0
1
0
0
11
0
0
0
1
0
0
11
0
1
...

output:

? 1 2
? 3 4
? 5 6
? 7 8
? 9 10
? 11 12
? 11 1
? 12 2
? 12 3
! 2
? 1 2
? 3 4
? 5 6
? 7 8
? 9 10
? 11 12
? 13 14
? 13 1
? 14 2
? 13 3
! 2
? 1 2
? 3 4
? 5 6
? 6 7
? 6 1
? 7 2
? 7 3
! 2
? 1 2
? 3 4
? 5 6
? 7 8
? 7 1
? 8 2
! 1
? 1 2
? 3 4
? 5 6
? 7 8
? 9 10
? 11 12
? 11 1
? 12 2
? 11 3
! 2
? 1 2
? 3 4
? ...

result:

ok Correct (87 test cases)

Test #3:

score: 0
Accepted
time: 4ms
memory: 3560kb

input:

135
9
1
0
0
6
0
0
0
11
0
0
0
0
1
0
0
4
1
1
0
10
0
0
0
0
1
1
0
1
9
0
0
0
1
1
0
1
9
0
0
1
0
1
1
6
0
0
0
9
0
0
0
1
1
0
1
11
0
0
0
0
1
0
0
4
0
1
0
1
0
4
1
1
1
8
0
0
0
0
5
0
0
1
0
0
7
1
1
1
11
0
0
0
0
1
0
1
1
4
1
1
1
6
1
1
0
1
9
0
0
1
1
0
1
4
1
0
0
1
1
8
1
0
1
0
9
0
0
1
0
1
1
7
0
0
1
0
1
0
4
1
1
1
8
0
0
...

output:

? 1 2
? 1 3
? 2 4
! 1
? 1 2
? 3 4
? 5 6
! 1
? 1 2
? 3 4
? 5 6
? 7 8
? 9 10
? 9 1
? 10 2
! 1
? 1 2
? 1 3
? 1 4
! 1
? 1 2
? 3 4
? 5 6
? 7 8
? 9 10
? 9 1
? 10 2
? 9 3
! 2
? 1 2
? 3 4
? 5 6
? 7 8
? 7 1
? 8 2
? 7 3
! 2
? 1 2
? 3 4
? 5 6
? 5 1
? 6 2
? 6 3
! 2
? 1 2
? 3 4
? 5 6
! 1
? 1 2
? 3 4
? 5 6
? 7 8
...

result:

ok Correct (135 test cases)

Test #4:

score: 0
Accepted
time: 0ms
memory: 3564kb

input:

136
8
0
0
0
1
0
1
1
5
1
0
1
1
11
0
0
1
0
0
10
1
0
0
6
0
0
0
9
0
0
1
0
1
1
7
0
1
1
0
1
10
0
0
1
0
1
1
7
0
0
1
1
0
1
9
0
0
1
1
0
1
5
0
0
1
0
1
1
7
0
0
0
0
10
0
0
1
0
1
1
6
0
1
0
1
0
6
0
0
1
0
0
6
0
1
0
1
1
10
0
1
1
0
1
9
0
0
1
1
0
1
5
0
1
1
0
1
6
0
0
1
1
0
1
4
0
1
1
5
0
1
1
0
1
4
1
0
0
1
1
7
0
0
0
1
0...

output:

? 1 2
? 3 4
? 5 6
? 7 8
? 7 1
? 8 2
? 8 3
! 2
? 1 2
? 1 3
? 2 4
? 2 5
! 2
? 1 2
? 3 4
? 5 6
? 5 1
? 6 2
! 1
? 1 2
? 1 3
? 2 4
! 1
? 1 2
? 3 4
? 5 6
! 1
? 1 2
? 3 4
? 5 6
? 5 1
? 6 2
? 6 3
! 2
? 1 2
? 3 4
? 3 1
? 4 2
? 3 5
! 2
? 1 2
? 3 4
? 5 6
? 5 1
? 6 2
? 6 3
! 2
? 1 2
? 3 4
? 5 6
? 5 1
? 6 2
? 5 ...

result:

ok Correct (136 test cases)

Test #5:

score: 0
Accepted
time: 1ms
memory: 3592kb

input:

5
100
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
758
0
0
0
0
0
0
0
0
0
1
0
1
1
70
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
65
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
5
0
0
1
0
1
1

output:

? 1 2
? 3 4
? 5 6
? 7 8
? 9 10
? 11 12
? 13 14
? 15 16
? 17 18
? 19 20
? 21 22
? 23 24
? 25 26
? 27 28
? 29 30
? 31 32
? 33 34
? 35 36
? 37 38
? 39 40
? 41 42
? 43 44
? 45 46
? 47 48
? 49 50
? 51 52
? 53 54
? 55 56
? 57 58
? 59 60
? 61 62
? 63 64
? 65 66
? 67 68
? 69 70
? 71 72
? 73 74
? 75 76
? 77 ...

result:

ok Correct (5 test cases)

Test #6:

score: 0
Accepted
time: 0ms
memory: 3856kb

input:

7
147
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
801
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
27
0
0
0
0
0
0
0
0...

output:

? 1 2
? 3 4
? 5 6
? 7 8
? 9 10
? 11 12
? 13 14
? 15 16
? 17 18
? 19 20
? 21 22
? 23 24
? 25 26
? 27 28
? 29 30
? 31 32
? 33 34
? 35 36
? 37 38
? 39 40
? 41 42
? 43 44
? 45 46
? 47 48
? 49 50
? 51 52
? 53 54
? 55 56
? 57 58
? 59 60
? 61 62
? 63 64
? 65 66
? 67 68
? 69 70
? 71 72
? 73 74
? 75 76
? 77 ...

result:

ok Correct (7 test cases)

Test #7:

score: 0
Accepted
time: 2ms
memory: 3620kb

input:

160
4
0
0
1
0
1
9
0
0
0
0
0
7
0
0
0
1
0
1
1
4
0
0
1
0
1
9
0
0
0
0
1
0
1
1
9
0
0
0
0
1
0
1
1
6
0
0
1
0
1
1
7
0
0
0
1
0
1
1
4
0
0
1
0
1
6
0
0
1
0
1
1
4
0
0
1
0
1
5
0
0
1
0
1
1
7
0
0
0
1
0
1
1
4
0
0
1
1
1
7
0
0
0
0
6
0
0
0
9
0
0
0
0
0
9
0
0
0
0
0
4
0
0
1
0
1
4
0
0
1
0
1
4
0
0
1
0
1
5
0
0
1
0
1
1
9
0
0
...

output:

? 1 2
? 1 3
? 1 4
? 4 2
? 4 3
! 1
? 1 2
? 3 4
? 5 6
? 7 8
? 8 9
! 1
? 1 2
? 3 4
? 5 6
? 6 7
? 6 1
? 7 2
? 7 3
! 2
? 1 2
? 1 3
? 1 4
? 4 2
? 4 3
! 1
? 1 2
? 3 4
? 5 6
? 7 8
? 8 9
? 8 1
? 9 2
? 9 3
! 2
? 1 2
? 3 4
? 5 6
? 7 8
? 8 9
? 8 1
? 9 2
? 9 3
! 2
? 1 2
? 3 4
? 5 6
? 5 1
? 6 2
? 6 3
! 2
? 1 2
? ...

result:

ok Correct (160 test cases)

Test #8:

score: 0
Accepted
time: 4ms
memory: 3620kb

input:

117
6
0
0
0
7
0
0
0
0
11
0
0
0
0
0
1
0
1
1
4
0
0
1
0
1
11
0
0
0
0
0
0
5
0
0
1
0
1
1
10
0
0
0
0
0
9
0
0
0
0
1
0
1
1
10
0
0
0
0
1
0
1
1
11
0
0
0
0
0
0
9
0
0
0
0
0
13
0
0
0
0
0
0
0
11
0
0
0
0
0
0
13
0
0
0
0
0
0
0
8
0
0
0
1
0
1
1
13
0
0
0
0
0
0
0
11
0
0
0
0
0
1
0
1
1
11
0
0
0
0
0
0
11
0
0
0
0
0
0
8
0
0
...

output:

? 1 2
? 3 4
? 5 6
! 1
? 1 2
? 3 4
? 5 6
? 6 7
! 1
? 1 2
? 3 4
? 5 6
? 7 8
? 9 10
? 10 11
? 10 1
? 11 2
? 11 3
! 2
? 1 2
? 1 3
? 1 4
? 4 2
? 4 3
! 1
? 1 2
? 3 4
? 5 6
? 7 8
? 9 10
? 10 11
! 1
? 1 2
? 3 4
? 4 5
? 4 1
? 5 2
? 5 3
! 2
? 1 2
? 3 4
? 5 6
? 7 8
? 9 10
! 1
? 1 2
? 3 4
? 5 6
? 7 8
? 8 9
? 8 ...

result:

ok Correct (117 test cases)

Test #9:

score: 0
Accepted
time: 2ms
memory: 3508kb

input:

99
14
0
0
0
0
0
0
1
0
1
1
6
0
0
1
0
1
1
13
0
0
0
0
0
0
0
4
0
0
1
0
1
14
0
0
0
0
0
0
0
11
0
0
0
0
0
0
11
0
0
0
0
0
0
11
0
0
0
0
0
1
0
1
1
15
0
0
0
0
0
0
0
1
0
1
1
4
0
0
1
0
1
12
0
0
0
0
0
0
14
0
0
0
0
0
0
1
0
1
1
13
0
0
0
0
0
0
1
0
1
1
9
0
0
0
0
1
0
1
1
8
0
0
0
0
7
0
0
0
0
7
0
0
0
1
0
1
1
4
0
0
1
0
1...

output:

? 1 2
? 3 4
? 5 6
? 7 8
? 9 10
? 11 12
? 13 14
? 13 1
? 14 2
? 14 3
! 2
? 1 2
? 3 4
? 5 6
? 5 1
? 6 2
? 6 3
! 2
? 1 2
? 3 4
? 5 6
? 7 8
? 9 10
? 11 12
? 12 13
! 1
? 1 2
? 1 3
? 1 4
? 4 2
? 4 3
! 1
? 1 2
? 3 4
? 5 6
? 7 8
? 9 10
? 11 12
? 13 14
! 1
? 1 2
? 3 4
? 5 6
? 7 8
? 9 10
? 10 11
! 1
? 1 2
? 3...

result:

ok Correct (99 test cases)

Test #10:

score: 0
Accepted
time: 6ms
memory: 3564kb

input:

84
18
0
0
0
0
0
0
0
0
0
14
0
0
0
0
0
0
0
17
0
0
0
0
0
0
0
0
1
0
1
1
13
0
0
0
0
0
0
0
11
0
0
0
0
0
1
0
1
1
7
0
0
0
0
14
0
0
0
0
0
0
0
12
0
0
0
0
0
0
17
0
0
0
0
0
0
0
0
1
0
1
1
6
0
0
0
9
0
0
0
0
0
10
0
0
0
0
1
0
1
1
5
0
0
1
0
1
1
4
0
0
1
0
1
6
0
0
0
15
0
0
0
0
0
0
0
0
4
0
0
1
0
1
17
0
0
0
0
0
0
0
0
1
...

output:

? 1 2
? 3 4
? 5 6
? 7 8
? 9 10
? 11 12
? 13 14
? 15 16
? 17 18
! 1
? 1 2
? 3 4
? 5 6
? 7 8
? 9 10
? 11 12
? 13 14
! 1
? 1 2
? 3 4
? 5 6
? 7 8
? 9 10
? 11 12
? 13 14
? 15 16
? 16 17
? 16 1
? 17 2
? 17 3
! 2
? 1 2
? 3 4
? 5 6
? 7 8
? 9 10
? 11 12
? 12 13
! 1
? 1 2
? 3 4
? 5 6
? 7 8
? 9 10
? 10 11
? 10...

result:

ok Correct (84 test cases)

Test #11:

score: 0
Accepted
time: 5ms
memory: 3624kb

input:

23
27
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
1
1
12
0
0
0
0
0
0
93
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
100
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
1
1
6
0
0
0
59
0
0
0
0
0
0
0
0
0
0
0
0
0
0...

output:

? 1 2
? 3 4
? 5 6
? 7 8
? 9 10
? 11 12
? 13 14
? 15 16
? 17 18
? 19 20
? 21 22
? 23 24
? 25 26
? 26 27
? 26 1
? 27 2
? 27 3
! 2
? 1 2
? 3 4
? 5 6
? 7 8
? 9 10
? 11 12
! 1
? 1 2
? 3 4
? 5 6
? 7 8
? 9 10
? 11 12
? 13 14
? 15 16
? 17 18
? 19 20
? 21 22
? 23 24
? 25 26
? 27 28
? 29 30
? 31 32
? 33 34
? ...

result:

ok Correct (23 test cases)

Test #12:

score: 0
Accepted
time: 3ms
memory: 3596kb

input:

20
39
0
0
0
0
0
0
0
0
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0...

output:

? 1 2
? 3 4
? 5 6
? 7 8
? 9 10
? 11 12
? 13 14
? 15 16
? 17 18
? 19 20
? 21 22
? 23 24
? 25 26
? 27 28
? 29 30
? 31 32
? 33 34
? 35 36
? 37 38
? 37 1
? 38 2
? 37 3
! 2
? 1 2
? 3 4
? 5 6
? 7 8
? 9 10
? 11 12
? 13 14
? 15 16
? 17 18
? 19 20
? 21 22
? 23 24
? 25 26
? 25 1
? 26 2
? 26 3
! 2
? 1 2
? 3 4
...

result:

ok Correct (20 test cases)

Test #13:

score: 0
Accepted
time: 0ms
memory: 3620kb

input:

9
69
0
0
0
0
0
0
0
0
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72
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0
0
0
0
0
...

output:

? 1 2
? 3 4
? 5 6
? 7 8
? 9 10
? 11 12
? 13 14
? 15 16
? 17 18
? 19 20
? 21 22
? 23 24
? 25 26
? 27 28
? 29 30
? 31 32
? 33 34
? 35 36
? 37 38
? 39 40
? 41 42
? 43 44
? 45 46
? 47 48
? 49 50
? 51 52
? 53 54
? 55 56
? 57 58
? 59 60
? 61 62
? 63 64
? 65 66
? 67 68
? 68 69
! 1
? 1 2
? 3 4
? 5 6
? 7 8
?...

result:

ok Correct (9 test cases)

Test #14:

score: 0
Accepted
time: 0ms
memory: 3628kb

input:

6
243
0
0
0
0
0
0
0
0
0
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0
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0
0
0
...

output:

? 1 2
? 3 4
? 5 6
? 7 8
? 9 10
? 11 12
? 13 14
? 15 16
? 17 18
? 19 20
? 21 22
? 23 24
? 25 26
? 27 28
? 29 30
? 31 32
? 33 34
? 35 36
? 37 38
? 39 40
? 41 42
? 43 44
? 45 46
? 47 48
? 49 50
? 51 52
? 53 54
? 55 56
? 57 58
? 59 60
? 61 62
? 63 64
? 65 66
? 67 68
? 69 70
? 71 72
? 73 74
? 75 76
? 77 ...

result:

ok Correct (6 test cases)

Test #15:

score: 0
Accepted
time: 1ms
memory: 3560kb

input:

4
613
0
0
0
0
0
0
0
0
0
0
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0
0
0
0
0
0
0
0
0
0
0
...

output:

? 1 2
? 3 4
? 5 6
? 7 8
? 9 10
? 11 12
? 13 14
? 15 16
? 17 18
? 19 20
? 21 22
? 23 24
? 25 26
? 27 28
? 29 30
? 31 32
? 33 34
? 35 36
? 37 38
? 39 40
? 41 42
? 43 44
? 45 46
? 47 48
? 49 50
? 51 52
? 53 54
? 55 56
? 57 58
? 59 60
? 61 62
? 63 64
? 65 66
? 67 68
? 69 70
? 71 72
? 73 74
? 75 76
? 77 ...

result:

ok Correct (4 test cases)

Test #16:

score: 0
Accepted
time: 2ms
memory: 3792kb

input:

146
6
1
1
1
9
1
1
1
4
1
1
1
9
1
1
0
1
7
1
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1
6
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1
5
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9
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1
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9
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1
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1
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1
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1
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1
4
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0
4
1
1
1
6
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8
1
1
1
7
1
1
1
5
1
1
1
9
1
1
1
7
1
1
0
1
8
...

output:

? 1 2
? 1 3
? 2 4
! 1
? 1 2
? 1 3
? 2 4
! 1
? 1 2
? 1 3
? 1 4
! 2
? 1 2
? 1 3
? 2 4
? 1 5
! 2
? 1 2
? 1 3
? 2 4
! 1
? 1 2
? 1 3
? 2 4
? 1 5
! 2
? 1 2
? 1 3
? 2 4
! 1
? 1 2
? 1 3
? 2 4
? 1 5
! 2
? 1 2
? 1 3
? 2 4
! 1
? 1 2
? 1 3
? 1 4
! 2
? 1 2
? 1 3
? 2 4
! 1
? 1 2
? 1 3
? 2 4
? 1 5
! 2
? 1 2
? 1 3
...

result:

ok Correct (146 test cases)

Test #17:

score: 0
Accepted
time: 2ms
memory: 3784kb

input:

117
4
1
1
1
4
1
1
1
12
1
1
0
1
7
1
1
0
1
12
1
1
1
9
1
1
0
1
10
1
1
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1
13
1
1
1
11
1
1
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1
9
1
1
1
12
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11
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1
1
4
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1
0
10
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1
0
1
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1
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1
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1
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1
5
1
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1
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1
1
0
4
1
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1
7
1
1
1
4
1
1
1
8
1
1
1
7
1
1
1
6
1
1
1
7
1
1
1
13
1
1
1
10
1
1
0
1
12
1
1
0
1
9
1
1
1
4
1
1
1
9
1
1
1
7
1
1
0
1
6
1...

output:

? 1 2
? 1 3
? 1 4
! 2
? 1 2
? 1 3
? 1 4
! 2
? 1 2
? 1 3
? 2 4
? 1 5
! 2
? 1 2
? 1 3
? 2 4
? 1 5
! 2
? 1 2
? 1 3
? 2 4
! 1
? 1 2
? 1 3
? 2 4
? 1 5
! 2
? 1 2
? 1 3
? 2 4
? 1 5
! 2
? 1 2
? 1 3
? 2 4
! 1
? 1 2
? 1 3
? 2 4
? 1 5
! 2
? 1 2
? 1 3
? 2 4
! 1
? 1 2
? 1 3
? 2 4
? 1 5
! 2
? 1 2
? 1 3
? 2 4
! 1
...

result:

ok Correct (117 test cases)

Test #18:

score: 0
Accepted
time: 1ms
memory: 3620kb

input:

105
7
1
1
1
11
1
1
1
13
1
1
1
12
1
1
1
6
1
1
1
10
1
1
0
1
7
1
1
1
4
1
1
0
13
1
1
0
1
13
1
1
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1
14
1
1
1
5
1
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1
6
1
1
0
1
4
1
1
1
6
1
1
1
6
1
1
1
10
1
1
0
1
15
1
1
1
6
1
1
1
9
1
1
1
13
1
1
1
15
1
1
0
1
5
1
1
0
1
11
1
1
1
6
1
1
1
7
1
1
1
10
1
1
1
15
1
1
1
12
1
1
1
7
1
1
0
1
12
1
1
1
12
1
1
0
1
6
1
1...

output:

? 1 2
? 1 3
? 2 4
! 1
? 1 2
? 1 3
? 2 4
! 1
? 1 2
? 1 3
? 2 4
! 1
? 1 2
? 1 3
? 2 4
! 1
? 1 2
? 1 3
? 2 4
! 1
? 1 2
? 1 3
? 2 4
? 1 5
! 2
? 1 2
? 1 3
? 2 4
! 1
? 1 2
? 1 3
? 1 4
! 1
? 1 2
? 1 3
? 2 4
? 1 5
! 2
? 1 2
? 1 3
? 2 4
? 1 5
! 2
? 1 2
? 1 3
? 2 4
! 1
? 1 2
? 1 3
? 2 4
! 1
? 1 2
? 1 3
? 2 4
...

result:

ok Correct (105 test cases)

Test #19:

score: 0
Accepted
time: 0ms
memory: 3556kb

input:

86
12
1
1
0
1
17
1
1
1
7
1
1
0
1
6
1
1
1
13
1
1
0
1
5
1
1
0
1
16
1
1
1
6
1
1
0
1
10
1
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1
18
1
1
1
4
1
1
1
19
1
1
1
14
1
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1
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1
0
1
4
1
1
1
5
1
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1
8
1
1
1
13
1
1
1
15
1
1
0
1
7
1
1
1
20
1
1
1
20
1
1
1
5
1
1
1
6
1
1
1
5
1
1
1
15
1
1
1
12
1
1
1
9
1
1
0
1
17
1
1
1
19
1
1
0
1
20
1
1
1
11
1
1
1
20...

output:

? 1 2
? 1 3
? 2 4
? 1 5
! 2
? 1 2
? 1 3
? 2 4
! 1
? 1 2
? 1 3
? 2 4
? 1 5
! 2
? 1 2
? 1 3
? 2 4
! 1
? 1 2
? 1 3
? 2 4
? 1 5
! 2
? 1 2
? 1 3
? 2 4
? 1 5
! 2
? 1 2
? 1 3
? 2 4
! 1
? 1 2
? 1 3
? 2 4
? 1 5
! 2
? 1 2
? 1 3
? 2 4
! 1
? 1 2
? 1 3
? 2 4
! 1
? 1 2
? 1 3
? 1 4
! 2
? 1 2
? 1 3
? 2 4
! 1
? 1 2
...

result:

ok Correct (86 test cases)

Test #20:

score: 0
Accepted
time: 1ms
memory: 3860kb

input:

20
53
1
1
1
61
1
1
0
1
96
1
1
0
1
60
1
1
0
1
25
1
1
1
18
1
1
0
1
24
1
1
1
73
1
1
1
76
1
1
1
62
1
1
1
33
1
1
1
89
1
1
1
55
1
1
1
71
1
1
1
45
1
1
0
1
44
1
1
1
52
1
1
0
1
46
1
1
1
7
1
1
1
7
1
1
1

output:

? 1 2
? 1 3
? 2 4
! 1
? 1 2
? 1 3
? 2 4
? 1 5
! 2
? 1 2
? 1 3
? 2 4
? 1 5
! 2
? 1 2
? 1 3
? 2 4
? 1 5
! 2
? 1 2
? 1 3
? 2 4
! 1
? 1 2
? 1 3
? 2 4
? 1 5
! 2
? 1 2
? 1 3
? 2 4
! 1
? 1 2
? 1 3
? 2 4
! 1
? 1 2
? 1 3
? 2 4
! 1
? 1 2
? 1 3
? 2 4
! 1
? 1 2
? 1 3
? 2 4
! 1
? 1 2
? 1 3
? 2 4
! 1
? 1 2
? 1 3
...

result:

ok Correct (20 test cases)

Test #21:

score: 0
Accepted
time: 1ms
memory: 3572kb

input:

9
273
1
1
1
54
1
1
1
234
1
1
1
256
1
1
0
1
70
1
1
0
1
23
1
1
1
5
1
1
1
81
1
1
1
4
1
1
1

output:

? 1 2
? 1 3
? 2 4
! 1
? 1 2
? 1 3
? 2 4
! 1
? 1 2
? 1 3
? 2 4
! 1
? 1 2
? 1 3
? 2 4
? 1 5
! 2
? 1 2
? 1 3
? 2 4
? 1 5
! 2
? 1 2
? 1 3
? 2 4
! 1
? 1 2
? 1 3
? 2 4
! 1
? 1 2
? 1 3
? 2 4
! 1
? 1 2
? 1 3
? 1 4
! 2

result:

ok Correct (9 test cases)

Test #22:

score: 0
Accepted
time: 1ms
memory: 3856kb

input:

12
92
1
1
0
1
50
1
1
1
395
1
1
1
152
1
1
1
31
1
1
1
183
1
1
0
1
13
1
1
0
1
32
1
1
0
1
21
1
1
1
12
1
1
1
14
1
1
1
4
1
1
1

output:

? 1 2
? 1 3
? 2 4
? 1 5
! 2
? 1 2
? 1 3
? 2 4
! 1
? 1 2
? 1 3
? 2 4
! 1
? 1 2
? 1 3
? 2 4
! 1
? 1 2
? 1 3
? 2 4
! 1
? 1 2
? 1 3
? 2 4
? 1 5
! 2
? 1 2
? 1 3
? 2 4
? 1 5
! 2
? 1 2
? 1 3
? 2 4
? 1 5
! 2
? 1 2
? 1 3
? 2 4
! 1
? 1 2
? 1 3
? 2 4
! 1
? 1 2
? 1 3
? 2 4
! 1
? 1 2
? 1 3
? 1 4
! 2

result:

ok Correct (12 test cases)

Test #23:

score: 0
Accepted
time: 1ms
memory: 3856kb

input:

5
957
1
1
1
14
1
1
1
7
1
1
0
1
10
1
1
0
1
11
1
1
1

output:

? 1 2
? 1 3
? 2 4
! 1
? 1 2
? 1 3
? 2 4
! 1
? 1 2
? 1 3
? 2 4
? 1 5
! 2
? 1 2
? 1 3
? 2 4
? 1 5
! 2
? 1 2
? 1 3
? 2 4
! 1

result:

ok Correct (5 test cases)

Test #24:

score: 0
Accepted
time: 2ms
memory: 3660kb

input:

81
11
1
1
1
20
1
1
0
1
5
0
0
1
0
1
1
16
0
0
0
0
0
1
0
0
19
0
1
1
0
1
17
1
0
1
1
12
1
1
1
4
1
1
1
13
0
0
1
0
1
0
20
0
0
1
0
1
1
10
1
0
1
1
20
1
1
1
8
1
1
1
5
0
0
1
0
0
11
0
0
1
1
0
1
17
0
1
1
1
9
1
1
0
0
13
0
1
0
1
1
19
0
1
0
1
1
13
1
0
1
0
17
0
0
0
0
0
0
0
0
1
0
1
1
18
0
1
1
1
12
1
0
0
19
1
1
1
18
0...

output:

? 1 2
? 1 3
? 2 4
! 1
? 1 2
? 1 3
? 2 4
? 1 5
! 2
? 1 2
? 3 4
? 4 5
? 4 1
? 5 2
? 5 3
! 2
? 1 2
? 3 4
? 5 6
? 7 8
? 9 10
? 11 12
? 11 1
? 12 2
! 1
? 1 2
? 3 4
? 3 1
? 4 2
? 3 5
! 2
? 1 2
? 1 3
? 2 4
? 2 5
! 2
? 1 2
? 1 3
? 2 4
! 1
? 1 2
? 1 3
? 1 4
! 2
? 1 2
? 3 4
? 5 6
? 5 1
? 6 2
? 6 3
! 1
? 1 2
?...

result:

ok Correct (81 test cases)

Test #25:

score: 0
Accepted
time: 0ms
memory: 3452kb

input:

24
43
1
1
0
1
87
1
1
1
19
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1
5
0
0
1
0...

output:

? 1 2
? 1 3
? 2 4
? 1 5
! 2
? 1 2
? 1 3
? 2 4
! 1
? 1 2
? 3 4
? 3 1
? 4 2
! 1
? 1 2
? 3 4
? 5 6
? 7 8
? 7 1
? 8 2
! 1
? 1 2
? 3 4
? 3 1
? 4 2
? 3 5
! 1
? 1 2
? 1 3
? 2 4
! 1
? 1 2
? 3 4
? 5 6
? 7 8
? 9 10
? 11 12
? 11 1
? 12 2
? 12 3
! 2
? 1 2
? 1 3
? 2 4
? 2 5
! 2
? 1 2
? 1 3
? 2 4
? 1 5
! 2
? 1 2
...

result:

ok Correct (24 test cases)

Test #26:

score: 0
Accepted
time: 1ms
memory: 3572kb

input:

9
35
0
0
0
0
1
0
0
122
1
1
0
1
167
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0
0

output:

? 1 2
? 3 4
? 5 6
? 7 8
? 9 10
? 9 1
? 10 2
! 1
? 1 2
? 1 3
? 2 4
? 1 5
! 2
? 1 2
? 3 4
? 5 6
? 7 8
? 9 10
? 11 12
? 13 14
? 15 16
? 17 18
? 19 20
? 21 22
? 23 24
? 25 26
? 27 28
? 29 30
? 31 32
? 33 34
? 35 36
? 37 38
? 39 40
? 41 42
? 43 44
? 45 46
? 47 48
? 49 50
? 51 52
? 51 1
? 52 2
! 1
? 1 2
?...

result:

ok Correct (9 test cases)

Test #27:

score: 0
Accepted
time: 1ms
memory: 3628kb

input:

8
481
0
0
0
0
1
0
1
1
165
0
0
0
0
1
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1
1
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0
1
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1
0
148
1
1
0
1
12
1
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1
0
4
0
1
1

output:

? 1 2
? 3 4
? 5 6
? 7 8
? 9 10
? 9 1
? 10 2
? 10 3
! 2
? 1 2
? 3 4
? 5 6
? 7 8
? 9 10
? 9 1
? 10 2
? 10 3
! 2
? 1 2
? 3 4
? 5 6
? 5 1
? 6 2
! 1
? 1 2
? 3 4
? 3 1
? 4 2
! 1
? 1 2
? 3 4
? 5 6
? 7 8
? 9 10
? 11 12
? 11 1
? 12 2
? 12 3
! 1
? 1 2
? 1 3
? 2 4
? 1 5
! 2
? 1 2
? 1 3
? 2 4
? 2 5
! 1
? 1 2
? ...

result:

ok Correct (8 test cases)

Test #28:

score: 0
Accepted
time: 1ms
memory: 3560kb

input:

10
510
0
0
0
0
0
0
0
0
0
0
0
0
1
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0
222
1
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1
115
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0
20
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1
37
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1
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0
19
1
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0
1
22
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0
36
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1
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1
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1
0

output:

? 1 2
? 3 4
? 5 6
? 7 8
? 9 10
? 11 12
? 13 14
? 15 16
? 17 18
? 19 20
? 21 22
? 23 24
? 25 26
? 25 1
? 26 2
! 1
? 1 2
? 1 3
? 2 4
! 1
? 1 2
? 1 3
? 2 4
? 2 5
! 1
? 1 2
? 1 3
? 2 4
? 1 5
! 2
? 1 2
? 3 4
? 3 1
? 4 2
? 3 5
! 2
? 1 2
? 3 4
? 5 6
? 5 1
? 6 2
? 6 3
! 1
? 1 2
? 1 3
? 2 4
? 1 5
! 2
? 1 2
?...

result:

ok Correct (10 test cases)

Test #29:

score: 0
Accepted
time: 2ms
memory: 3540kb

input:

1
1000
0
0
0
0
0
0
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output:

? 1 2
? 3 4
? 5 6
? 7 8
? 9 10
? 11 12
? 13 14
? 15 16
? 17 18
? 19 20
? 21 22
? 23 24
? 25 26
? 27 28
? 29 30
? 31 32
? 33 34
? 35 36
? 37 38
? 39 40
? 41 42
? 43 44
? 45 46
? 47 48
? 49 50
? 51 52
? 53 54
? 55 56
? 57 58
? 59 60
? 61 62
? 63 64
? 65 66
? 67 68
? 69 70
? 71 72
? 73 74
? 75 76
? 77 ...

result:

ok Correct (1 test case)

Test #30:

score: 0
Accepted
time: 0ms
memory: 3616kb

input:

2
500
0
0
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0
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...

output:

? 1 2
? 3 4
? 5 6
? 7 8
? 9 10
? 11 12
? 13 14
? 15 16
? 17 18
? 19 20
? 21 22
? 23 24
? 25 26
? 27 28
? 29 30
? 31 32
? 33 34
? 35 36
? 37 38
? 39 40
? 41 42
? 43 44
? 45 46
? 47 48
? 49 50
? 51 52
? 53 54
? 55 56
? 57 58
? 59 60
? 61 62
? 63 64
? 65 66
? 67 68
? 69 70
? 71 72
? 73 74
? 75 76
? 77 ...

result:

ok Correct (2 test cases)

Test #31:

score: 0
Accepted
time: 0ms
memory: 3636kb

input:

4
250
0
0
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...

output:

? 1 2
? 3 4
? 5 6
? 7 8
? 9 10
? 11 12
? 13 14
? 15 16
? 17 18
? 19 20
? 21 22
? 23 24
? 25 26
? 27 28
? 29 30
? 31 32
? 33 34
? 35 36
? 37 38
? 39 40
? 41 42
? 43 44
? 45 46
? 47 48
? 49 50
? 51 52
? 53 54
? 55 56
? 57 58
? 59 60
? 61 62
? 63 64
? 65 66
? 67 68
? 69 70
? 71 72
? 73 74
? 75 76
? 75 ...

result:

ok Correct (4 test cases)

Test #32:

score: 0
Accepted
time: 3ms
memory: 3560kb

input:

1
1000
0
0
0
0
0
0
0
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0...

output:

? 1 2
? 3 4
? 5 6
? 7 8
? 9 10
? 11 12
? 13 14
? 15 16
? 17 18
? 19 20
? 21 22
? 23 24
? 25 26
? 27 28
? 29 30
? 31 32
? 33 34
? 35 36
? 37 38
? 39 40
? 41 42
? 43 44
? 45 46
? 47 48
? 49 50
? 51 52
? 53 54
? 55 56
? 57 58
? 59 60
? 61 62
? 63 64
? 65 66
? 67 68
? 69 70
? 71 72
? 73 74
? 75 76
? 77 ...

result:

ok Correct (1 test case)

Test #33:

score: 0
Accepted
time: 1ms
memory: 3612kb

input:

1
1000
1
1
1

output:

? 1 2
? 1 3
? 2 4
! 1

result:

ok Correct (1 test case)

Test #34:

score: 0
Accepted
time: 1ms
memory: 3564kb

input:

1
1000
0
0
0
0
1
0
1
1

output:

? 1 2
? 3 4
? 5 6
? 7 8
? 9 10
? 9 1
? 10 2
? 10 3
! 2

result:

ok Correct (1 test case)

Test #35:

score: 0
Accepted
time: 1ms
memory: 3664kb

input:

2
500
0
0
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0
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...

output:

? 1 2
? 3 4
? 5 6
? 7 8
? 9 10
? 11 12
? 13 14
? 15 16
? 17 18
? 19 20
? 21 22
? 23 24
? 25 26
? 27 28
? 29 30
? 31 32
? 33 34
? 35 36
? 37 38
? 39 40
? 41 42
? 43 44
? 45 46
? 47 48
? 49 50
? 51 52
? 53 54
? 55 56
? 57 58
? 59 60
? 61 62
? 63 64
? 65 66
? 67 68
? 69 70
? 71 72
? 73 74
? 75 76
? 77 ...

result:

ok Correct (2 test cases)

Test #36:

score: 0
Accepted
time: 1ms
memory: 3864kb

input:

2
500
1
1
1
500
1
1
1

output:

? 1 2
? 1 3
? 2 4
! 1
? 1 2
? 1 3
? 2 4
! 1

result:

ok Correct (2 test cases)

Test #37:

score: 0
Accepted
time: 1ms
memory: 3820kb

input:

2
500
1
1
1
500
0
1
0
1
1

output:

? 1 2
? 1 3
? 2 4
! 1
? 1 2
? 3 4
? 3 1
? 4 2
? 4 5
! 2

result:

ok Correct (2 test cases)

Test #38:

score: 0
Accepted
time: 0ms
memory: 3548kb

input:

4
250
0
0
0
0
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0
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...

output:

? 1 2
? 3 4
? 5 6
? 7 8
? 9 10
? 11 12
? 13 14
? 15 16
? 17 18
? 19 20
? 21 22
? 23 24
? 25 26
? 27 28
? 29 30
? 31 32
? 33 34
? 35 36
? 37 38
? 39 40
? 41 42
? 43 44
? 45 46
? 47 48
? 49 50
? 51 52
? 53 54
? 55 56
? 57 58
? 59 60
? 61 62
? 63 64
? 65 66
? 67 68
? 69 70
? 71 72
? 73 74
? 75 76
? 77 ...

result:

ok Correct (4 test cases)

Test #39:

score: 0
Accepted
time: 1ms
memory: 3824kb

input:

4
250
1
1
1
250
1
1
1
250
1
1
0
1
250
1
1
1

output:

? 1 2
? 1 3
? 2 4
! 1
? 1 2
? 1 3
? 2 4
! 1
? 1 2
? 1 3
? 2 4
? 1 5
! 2
? 1 2
? 1 3
? 2 4
! 1

result:

ok Correct (4 test cases)

Test #40:

score: 0
Accepted
time: 1ms
memory: 3620kb

input:

4
250
0
0
0
0
1
0
1
1
250
0
0
0
0
1
0
1
1
250
0
0
1
1
1
250
0
1
0
1
1

output:

? 1 2
? 3 4
? 5 6
? 7 8
? 9 10
? 9 1
? 10 2
? 10 3
! 2
? 1 2
? 3 4
? 5 6
? 7 8
? 9 10
? 9 1
? 10 2
? 10 3
! 2
? 1 2
? 3 4
? 5 6
? 5 1
? 6 2
! 1
? 1 2
? 3 4
? 3 1
? 4 2
? 4 5
! 2

result:

ok Correct (4 test cases)

Test #41:

score: 0
Accepted
time: 0ms
memory: 3552kb

input:

1
1000
0
0
0
0
0
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0...

output:

? 1 2
? 3 4
? 5 6
? 7 8
? 9 10
? 11 12
? 13 14
? 15 16
? 17 18
? 19 20
? 21 22
? 23 24
? 25 26
? 27 28
? 29 30
? 31 32
? 33 34
? 35 36
? 37 38
? 39 40
? 41 42
? 43 44
? 45 46
? 47 48
? 49 50
? 51 52
? 53 54
? 55 56
? 57 58
? 59 60
? 61 62
? 63 64
? 65 66
? 67 68
? 69 70
? 71 72
? 73 74
? 75 76
? 77 ...

result:

ok Correct (1 test case)

Extra Test:

score: 0
Extra Test Passed
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Server Time: 2024-12-01 00:29:38 | OpenSource Project