QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#614128#8239. Mysterious Treeklhwong#AC ✓6ms3852kbC++173.3kb2024-10-05 15:40:352024-10-05 15:40:37

Judging History

你现在查看的是最新测评结果

  • [2024-10-05 15:40:37]
  • 评测
  • 测评结果：AC
  • 用时：6ms
  • 内存：3852kb
查看
  • [2024-10-05 15:40:35]
  • 提交

answer

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

int t, n, res, u, v, x, y;
bool flag;
string q;

int main() {
    ios::sync_with_stdio(0), cin.tie(0);
    cin >> t;
    
    while(t--) {
        cin >> n;
        flag = false;

        for (int i = 1; i <= n; i += 2) {
            if (i == n) {
                q = "? " + to_string(i - 1) + " " + to_string(i) + "\n";
            } else {
                q = "? " + to_string(i) + " " + to_string(i + 1) + "\n";
            }
            cout << q;
            cout.flush();

            cin >> res;

            if (res == 1) {
                if (i == n) {
                    u = i - 1;
                    v = i;
                } else {
                    u = i;
                    v = i + 1;
                }

                if (i == 1) {
                    x = n - 1;
                    y = n;
                } else {
                    x = 1;
                    y = 2;
                }
                flag = true;
                break;
            }
        }

        if (!flag) {
            cout << "! 1" << "\n";
            cout.flush();
        } else {
            q = "? " + to_string(u) + " " + to_string(x) + "\n";
            cout << q;
            cout.flush();
            cin >> res;
            if (res == 0) {
                q = "? " + to_string(v) + " " + to_string(x) + "\n";
                cout << q;
                cout.flush();
                cin >> res;
                if (res == 0) {
                    cout << "! 1" << "\n";
                    cout.flush();
                } else {
                    q = "? " + to_string(v) + " " + to_string(y) + "\n";
                    cout << q;
                    cout.flush();
                    cin >> res;

                    if (res == 1) {
                        cout << "! 2" << "\n";
                        cout.flush();
                    } else {
                        cout << "! 1" << "\n";
                        cout.flush();
                    }
                }
            } else {
                q = "? " + to_string(u) + " " + to_string(y) + "\n";
                cout << q;
                cout.flush();
                cin >> res;
                if (res == 0) {
                    q = "? " + to_string(v) + " " + to_string(x) + "\n";
                    cout << q;
                    cout.flush();
                    cin >> res;
                    if (res == 0) {
                        cout << "! 1" << "\n";
                        cout.flush();
                    } else {
                        q = "? " + to_string(v) + " " + to_string(y) + "\n";
                        cout << q;
                        cout.flush();
                        cin >> res;

                        if (res == 1) {
                            cout << "! 2" << "\n";
                            cout.flush();
                        } else {
                            cout << "! 1" << "\n";
                            cout.flush();
                        }
                    }
                } else {
                    cout << "! 2" << "\n";
                    cout.flush();
                }
            }
        }
    }

    cout.flush();
    return 0;
}
Source code, Language: C++17

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: 3576kb

input:

2
4
1
0
1
0
4
0
1
1
1

output:

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

result:

ok Correct (2 test cases)

Test #2:

score: 0
Accepted
time: 2ms
memory: 3632kb

input:

87
13
0
0
0
0
0
1
0
1
1
15
0
0
0
0
0
0
1
1
1
7
0
0
0
1
0
1
1
15
0
0
0
1
0
0
19
0
0
0
0
0
1
1
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
1
17
0
0
0
0
0
0
0
0
0
11
1
0
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
0
0
8
0
...

output:

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

result:

ok Correct (87 test cases)

Test #3:

score: 0
Accepted
time: 2ms
memory: 3808kb

input:

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

output:

? 1 2
? 1 8
? 2 8
? 2 9
! 1
? 1 2
? 3 4
? 5 6
! 1
? 1 2
? 3 4
? 5 6
? 7 8
? 9 10
? 9 1
? 10 1
! 1
? 1 2
? 1 3
? 1 4
? 2 3
! 1
? 1 2
? 3 4
? 5 6
? 7 8
? 9 10
? 9 1
? 9 2
! 2
? 1 2
? 3 4
? 5 6
? 7 8
? 7 1
? 7 2
! 2
? 1 2
? 3 4
? 5 6
? 5 1
? 6 1
? 6 2
! 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: 3ms
memory: 3548kb

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
1
10
0
0
1
0
1
1
7
0
0
1
1
1
9
0
0
1
1
1
5
0
0
1
0
1
1
7
0
0
0
0
10
0
0
1
0
1
1
6
0
1
0
0
6
0
0
1
0
1
0
6
0
1
0
1
1
10
0
1
1
1
9
0
0
1
1
1
5
0
1
1
1
6
0
0
1
1
1
4
0
0
5
0
1
1
1
4
1
0
1
1
7
0
0
0
1
0
1
1
10
0
0
0
1
1
1
...

output:

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

result:

ok Correct (136 test cases)

Test #5:

score: 0
Accepted
time: 1ms
memory: 3768kb

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: 1ms
memory: 3772kb

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: 3556kb

input:

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

output:

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

result:

ok Correct (160 test cases)

Test #8:

score: 0
Accepted
time: 4ms
memory: 3776kb

input:

117
6
0
0
0
7
0
0
0
0
11
0
0
0
0
0
1
0
1
1
4
0
0
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
0
0
6
...

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

result:

ok Correct (117 test cases)

Test #9:

score: 0
Accepted
time: 1ms
memory: 3632kb

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
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
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
8
0
0
0
1
0
1
1
1...

output:

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

result:

ok Correct (99 test cases)

Test #10:

score: 0
Accepted
time: 3ms
memory: 3572kb

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
6
0
0
0
15
0
0
0
0
0
0
0
0
4
0
0
17
0
0
0
0
0
0
0
0
1
0
1
1
12
0
0...

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 1
? 17 2
! 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: 6ms
memory: 3548kb

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 1
? 27 2
! 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: 3556kb

input:

20
39
0
0
0
0
0
0
0
0
0
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92
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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
? 37 2
! 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 1
? 26 2
! 2
? 1 2
? 3 4
? 5 6
?...

result:

ok Correct (20 test cases)

Test #13:

score: 0
Accepted
time: 0ms
memory: 3772kb

input:

9
69
0
0
0
0
0
0
0
0
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72
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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
? 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: 3612kb

input:

6
243
0
0
0
0
0
0
0
0
0
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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: 3ms
memory: 3800kb

input:

4
613
0
0
0
0
0
0
0
0
0
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0
0
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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: 0ms
memory: 3556kb

input:

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

output:

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

result:

ok Correct (146 test cases)

Test #17:

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

input:

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

output:

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

result:

ok Correct (117 test cases)

Test #18:

score: 0
Accepted
time: 5ms
memory: 3504kb

input:

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

output:

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

result:

ok Correct (105 test cases)

Test #19:

score: 0
Accepted
time: 0ms
memory: 3720kb

input:

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

output:

? 1 2
? 1 11
? 1 12
! 2
? 1 2
? 1 16
? 1 17
! 2
? 1 2
? 1 6
? 1 7
! 2
? 1 2
? 1 5
? 1 6
? 2 5
! 1
? 1 2
? 1 12
? 1 13
! 2
? 1 2
? 1 4
? 1 5
! 2
? 1 2
? 1 15
? 1 16
? 2 15
! 1
? 1 2
? 1 5
? 1 6
! 2
? 1 2
? 1 9
? 1 10
? 2 9
! 1
? 1 2
? 1 17
? 1 18
! 2
? 1 2
? 1 3
? 1 4
! 2
? 1 2
? 1 18
? 1 19
! 2
? 1 ...

result:

ok Correct (86 test cases)

Test #20:

score: 0
Accepted
time: 0ms
memory: 3852kb

input:

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

output:

? 1 2
? 1 52
? 1 53
? 2 52
! 1
? 1 2
? 1 60
? 1 61
! 2
? 1 2
? 1 95
? 1 96
! 2
? 1 2
? 1 59
? 1 60
! 2
? 1 2
? 1 24
? 1 25
! 2
? 1 2
? 1 17
? 1 18
! 2
? 1 2
? 1 23
? 1 24
! 2
? 1 2
? 1 72
? 1 73
! 2
? 1 2
? 1 75
? 1 76
? 2 75
! 1
? 1 2
? 1 61
? 1 62
? 2 61
! 1
? 1 2
? 1 32
? 1 33
! 2
? 1 2
? 1 88
? ...

result:

ok Correct (20 test cases)

Test #21:

score: 0
Accepted
time: 1ms
memory: 3616kb

input:

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

output:

? 1 2
? 1 272
? 1 273
? 2 272
! 1
? 1 2
? 1 53
? 1 54
? 2 53
! 1
? 1 2
? 1 233
? 1 234
! 2
? 1 2
? 1 255
? 1 256
! 2
? 1 2
? 1 69
? 1 70
! 2
? 1 2
? 1 22
? 1 23
? 2 22
! 1
? 1 2
? 1 4
? 1 5
? 2 4
! 1
? 1 2
? 1 80
? 1 81
! 2
? 1 2
? 1 3
? 1 4
! 2

result:

ok Correct (9 test cases)

Test #22:

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

input:

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

output:

? 1 2
? 1 91
? 1 92
! 2
? 1 2
? 1 49
? 1 50
! 2
? 1 2
? 1 394
? 1 395
? 2 394
! 1
? 1 2
? 1 151
? 1 152
! 2
? 1 2
? 1 30
? 1 31
! 2
? 1 2
? 1 182
? 1 183
! 2
? 1 2
? 1 12
? 1 13
! 2
? 1 2
? 1 31
? 1 32
! 2
? 1 2
? 1 20
? 1 21
? 2 20
! 1
? 1 2
? 1 11
? 1 12
? 2 11
! 1
? 1 2
? 1 13
? 1 14
? 2 13
! 1
?...

result:

ok Correct (12 test cases)

Test #23:

score: 0
Accepted
time: 1ms
memory: 3632kb

input:

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

output:

? 1 2
? 1 956
? 1 957
? 2 956
! 1
? 1 2
? 1 13
? 1 14
? 2 13
! 1
? 1 2
? 1 6
? 1 7
! 2
? 1 2
? 1 9
? 1 10
! 2
? 1 2
? 1 10
? 1 11
? 2 10
! 1

result:

ok Correct (5 test cases)

Test #24:

score: 0
Accepted
time: 2ms
memory: 3636kb

input:

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

output:

? 1 2
? 1 10
? 1 11
? 2 10
! 1
? 1 2
? 1 19
? 1 20
! 2
? 1 2
? 1 4
? 2 4
? 2 5
! 2
? 1 2
? 3 4
? 5 6
? 7 8
? 9 10
? 11 12
? 13 14
? 13 1
? 14 1
! 1
? 1 2
? 3 4
? 3 1
? 3 2
! 2
? 1 2
? 1 16
? 2 16
? 2 17
! 2
? 1 2
? 1 11
? 1 12
! 2
? 1 2
? 1 3
? 1 4
! 2
? 1 2
? 3 4
? 5 6
? 5 1
? 6 1
? 6 2
! 1
? 1 2
?...

result:

ok Correct (81 test cases)

Test #25:

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

input:

24
43
1
1
1
87
1
1
1
19
0
1
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1
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1
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1
4
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0
1
1
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0
0
1...

output:

? 1 2
? 1 42
? 1 43
! 2
? 1 2
? 1 86
? 1 87
! 2
? 1 2
? 3 4
? 3 1
? 3 2
! 2
? 1 2
? 3 4
? 5 6
? 7 8
? 7 1
? 8 1
! 1
? 1 2
? 3 4
? 3 1
? 3 2
? 4 1
! 1
? 1 2
? 1 74
? 1 75
? 2 74
! 1
? 1 2
? 3 4
? 3 1
? 4 1
? 4 2
! 2
? 1 2
? 1 84
? 2 84
? 2 85
! 2
? 1 2
? 1 30
? 1 31
! 2
? 1 2
? 1 23
? 2 23
? 2 24
! 2...

result:

ok Correct (24 test cases)

Test #26:

score: 0
Accepted
time: 1ms
memory: 3552kb

input:

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

output:

? 1 2
? 3 4
? 5 6
? 7 8
? 9 10
? 9 1
? 10 1
! 1
? 1 2
? 1 121
? 1 122
! 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 1
! 1
? 1 2
? 3...

result:

ok Correct (9 test cases)

Test #27:

score: 0
Accepted
time: 1ms
memory: 3504kb

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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1
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0
34
1
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0
148
1
1
1
12
1
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0
4
0
1
1
1

output:

? 1 2
? 3 4
? 5 6
? 7 8
? 9 10
? 9 1
? 10 1
? 10 2
! 2
? 1 2
? 3 4
? 5 6
? 7 8
? 9 10
? 9 1
? 10 1
? 10 2
! 2
? 1 2
? 3 4
? 5 6
? 5 1
? 6 1
! 1
? 1 2
? 3 4
? 3 1
? 3 2
? 4 1
! 1
? 1 2
? 1 33
? 2 33
! 1
? 1 2
? 1 147
? 1 148
! 2
? 1 2
? 1 11
? 1 12
? 2 11
! 1
? 1 2
? 3 4
? 3 1
? 3 2
! 2

result:

ok Correct (8 test cases)

Test #28:

score: 0
Accepted
time: 1ms
memory: 3836kb

input:

10
510
0
0
0
0
0
0
0
0
0
0
0
0
1
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0
222
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115
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0
20
1
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1
10
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0
19
1
1
1
22
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0
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1
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0
1
1
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
? 25 1
? 26 1
! 1
? 1 2
? 1 221
? 1 222
? 2 221
! 1
? 1 2
? 1 114
? 1 115
? 2 114
! 1
? 1 2
? 1 19
? 1 20
! 2
? 1 2
? 1 36
? 1 37
! 2
? 1 2
? 3 4
? 3 1
? 4 1
! 1
? 1 2
? 1 18
? 1 19
! 2
? 1 2
? 3 4
? 3 1
?...

result:

ok Correct (10 test cases)

Test #29:

score: 0
Accepted
time: 2ms
memory: 3836kb

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)

Test #30:

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

input:

2
500
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 (2 test cases)

Test #31:

score: 0
Accepted
time: 2ms
memory: 3548kb

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: 3556kb

input:

1
1000
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
? 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: 0ms
memory: 3768kb

input:

1
1000
1
1
1

output:

? 1 2
? 1 999
? 1 1000
! 2

result:

ok Correct (1 test case)

Test #34:

score: 0
Accepted
time: 1ms
memory: 3552kb

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 1
? 10 2
! 2

result:

ok Correct (1 test case)

Test #35:

score: 0
Accepted
time: 2ms
memory: 3648kb

input:

2
500
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 (2 test cases)

Test #36:

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

input:

2
500
1
1
1
500
1
1
0
0

output:

? 1 2
? 1 499
? 1 500
! 2
? 1 2
? 1 499
? 1 500
? 2 499
! 1

result:

ok Correct (2 test cases)

Test #37:

score: 0
Accepted
time: 1ms
memory: 3632kb

input:

2
500
1
1
1
500
0
1
0
1
1

output:

? 1 2
? 1 499
? 1 500
! 2
? 1 2
? 3 4
? 3 1
? 4 1
? 4 2
! 2

result:

ok Correct (2 test cases)

Test #38:

score: 0
Accepted
time: 3ms
memory: 3572kb

input:

4
250
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 (4 test cases)

Test #39:

score: 0
Accepted
time: 1ms
memory: 3804kb

input:

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

output:

? 1 2
? 1 249
? 1 250
? 2 249
! 1
? 1 2
? 1 249
? 1 250
? 2 249
! 1
? 1 2
? 1 249
? 1 250
! 2
? 1 2
? 1 249
? 1 250
? 2 249
! 1

result:

ok Correct (4 test cases)

Test #40:

score: 0
Accepted
time: 1ms
memory: 3836kb

input:

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

output:

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

result:

ok Correct (4 test cases)

Test #41:

score: 0
Accepted
time: 0ms
memory: 3844kb

input:

1
1000
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)

Extra Test:

score: 0
Extra Test Passed
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Server Time: 2024-12-01 00:40:09 | OpenSource Project