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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#631134#8239. Mysterious Treefoolnine#AC ✓7ms3716kbC++201.4kb2024-10-11 22:13:242024-10-11 22:13:26

Judging History

你现在查看的是最新测评结果

  • [2024-10-11 22:13:26]
  • 评测
  • 测评结果：AC
  • 用时：7ms
  • 内存：3716kb
查看
  • [2024-10-11 22:13:24]
  • 提交

answer

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

using i64 = long long;

int query(int u, int v) {
    cout << "? " << u << " " << v << endl;
    int ret;
    cin >> ret;
    return ret;
}

void solve() {
    int n;
    cin >> n;

    int u = -1, v = -1;
    for (int i = 1; i <= n - 1; i += 2) {
        int ret = query(i, i + 1);
        if (ret == 1) {
            u = i, v = i + 1;
            break;
        }
    }

    if (u == -1) {
        if (query(n, 1) == 1 && query(n, 2) == 1 && query(n, 3) == 1) {
            cout << "! 2" << endl; 
        } else {
            cout << "! 1" << endl;
        }
    } else {
        int a1 = 1, a2 = 2;
        if (u == 1) {
            a1 += 2;
            a2 += 2;
        }

        int r1 = query(u, a1), r2 = query(v, a1);
        if (r1 == 0 && r2 == 0) {
            cout << "! 1" << endl;
        } else if (r1 == 1) {
            if (query(u, a2) == 1) {
                cout << "! 2" << endl;
            } else {
                cout << "! 1" << endl;
            }
        } else {
            if (query(v, a2) == 1) {
                cout << "! 2" << endl;
            } else {
                cout << "! 1" << endl;
            }
        }
    }
}

int main(void)
{
    ios::sync_with_stdio(false);
    cin.tie(nullptr);

    int t;
    cin >> t;
    while (t--) {
        solve();
    }

    return 0;
}
Source code, Language: C++20

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: 3640kb

input:

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

output:

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

result:

ok Correct (2 test cases)

Test #2:

score: 0
Accepted
time: 3ms
memory: 3668kb

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
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
1
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
0
14
0
0
0
0
0
0
0
1
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
...

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

result:

ok Correct (87 test cases)

Test #3:

score: 0
Accepted
time: 5ms
memory: 3664kb

input:

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

output:

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

result:

ok Correct (135 test cases)

Test #4:

score: 0
Accepted
time: 4ms
memory: 3716kb

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

output:

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

result:

ok Correct (136 test cases)

Test #5:

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

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
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
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: 3576kb

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: 0ms
memory: 3644kb

input:

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

output:

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

result:

ok Correct (160 test cases)

Test #8:

score: 0
Accepted
time: 7ms
memory: 3704kb

input:

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

output:

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

result:

ok Correct (117 test cases)

Test #9:

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

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
0
14
0
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
1
1
15
0
0
0
0
0
0
0
1
1
1
4
0
0
0
12
0
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
1
1
9
0
0
0
0
1
1
1
8
0
0
0
0
0
7
0
0
0
0
7
0
0
0
1
1
1
4
0
0
0
8
0
0
0
1
0
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
? 13 1
! 1
? 1 2
? 3 4
? 4 1
! 1
? 1 2
? 3 4
? 5 6
? 7 8
? 9 10
? 11 12
? 13 14
? 14 1
! 1
? 1 2
? 3 4
? 5 6
? 7 8
? 9 10
? 11 1
! 1
? 1 2
? 3 4
? 5 ...

result:

ok Correct (99 test cases)

Test #10:

score: 0
Accepted
time: 0ms
memory: 3588kb

input:

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

output:

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

result:

ok Correct (84 test cases)

Test #11:

score: 0
Accepted
time: 3ms
memory: 3652kb

input:

23
27
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
12
0
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
0
59
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
? 27 1
? 27 2
? 27 3
! 2
? 1 2
? 3 4
? 5 6
? 7 8
? 9 10
? 11 12
? 12 1
! 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
? 3...

result:

ok Correct (23 test cases)

Test #12:

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

input:

20
39
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
1
44
0
0
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0
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1
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1
1
85
0
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1
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1
1
35
0
0
0
0
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0
1
0
1
1
94
0
0
0
0
0
0
0
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0
1
0
0
92
0
0
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0
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0
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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
? 37 1
? 38 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
...

result:

ok Correct (20 test cases)

Test #13:

score: 0
Accepted
time: 0ms
memory: 3588kb

input:

9
69
0
0
0
0
0
0
0
0
0
0
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189
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0
1
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72
0
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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 1
! 1
? 1 2
? 3 4
? 5 6
? 7 8
? ...

result:

ok Correct (9 test cases)

Test #14:

score: 0
Accepted
time: 0ms
memory: 3584kb

input:

6
243
0
0
0
0
0
0
0
0
0
0
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181
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0
0
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: 0ms
memory: 3640kb

input:

4
613
0
0
0
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
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: 3712kb

input:

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

output:

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

result:

ok Correct (146 test cases)

Test #17:

score: 0
Accepted
time: 5ms
memory: 3664kb

input:

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

output:

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

result:

ok Correct (117 test cases)

Test #18:

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

input:

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

output:

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

result:

ok Correct (105 test cases)

Test #19:

score: 0
Accepted
time: 1ms
memory: 3644kb

input:

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

output:

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

result:

ok Correct (86 test cases)

Test #20:

score: 0
Accepted
time: 1ms
memory: 3712kb

input:

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

output:

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

result:

ok Correct (20 test cases)

Test #21:

score: 0
Accepted
time: 1ms
memory: 3660kb

input:

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

output:

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

result:

ok Correct (9 test cases)

Test #22:

score: 0
Accepted
time: 0ms
memory: 3580kb

input:

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

output:

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

result:

ok Correct (12 test cases)

Test #23:

score: 0
Accepted
time: 1ms
memory: 3668kb

input:

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

output:

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

result:

ok Correct (5 test cases)

Test #24:

score: 0
Accepted
time: 4ms
memory: 3640kb

input:

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

output:

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

result:

ok Correct (81 test cases)

Test #25:

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

input:

24
43
1
1
0
1
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0
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1
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1
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0
0
0
1
1
1
4
0
1
1
0...

output:

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

result:

ok Correct (24 test cases)

Test #26:

score: 0
Accepted
time: 1ms
memory: 3696kb

input:

9
35
0
0
0
0
1
0
0
122
1
1
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1
167
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output:

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

result:

ok Correct (9 test cases)

Test #27:

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

input:

8
481
0
0
0
0
1
0
1
1
165
0
0
0
0
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1
1
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0
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0
148
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0
1
12
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0
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1
1
0
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
? 4 1
? 3 2
! 1
? 1 2
? 1 3
? 2 3
! 1
? 1 2
? 1 3
? 2 3
? 1 4
! 2
? 1 2
? 1 3
? 2 3
? 1 4
! 1
? 1 2
? 3 4
? 3 1
? 4 1
? 3 2
! 2

result:

ok Correct (8 test cases)

Test #28:

score: 0
Accepted
time: 0ms
memory: 3712kb

input:

10
510
0
0
0
0
0
0
0
0
0
0
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1
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0
222
1
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115
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0
20
1
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1
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1
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1
10
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1
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0
1
22
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0
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0
1
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0
1
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 1
! 1
? 1 2
? 1 3
? 2 3
? 1 4
! 1
? 1 2
? 1 3
? 2 3
? 1 4
! 1
? 1 2
? 1 3
? 2 3
? 1 4
! 2
? 1 2
? 1 3
? 2 3
? 1 4
! 2
? 1 2
? 3 4
? 3 1
? 4 1
! 1
? 1 2
? 1 3
? 2 3
? 1 4
! 2
? 1 2
? 3 4
? 3 1
?...

result:

ok Correct (10 test cases)

Test #29:

score: 0
Accepted
time: 0ms
memory: 3584kb

input:

1
1000
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 (1 test case)

Test #30:

score: 0
Accepted
time: 4ms
memory: 3588kb

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 #31:

score: 0
Accepted
time: 0ms
memory: 3708kb

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: 0ms
memory: 3588kb

input:

1
1000
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: 3652kb

input:

1
1000
1
1
0
1

output:

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

result:

ok Correct (1 test case)

Test #34:

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

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: 3ms
memory: 3580kb

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: 3640kb

input:

2
500
1
1
0
1
500
1
1
0
0

output:

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

result:

ok Correct (2 test cases)

Test #37:

score: 0
Accepted
time: 1ms
memory: 3656kb

input:

2
500
1
1
0
1
500
0
1
0
1
1

output:

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

result:

ok Correct (2 test cases)

Test #38:

score: 0
Accepted
time: 0ms
memory: 3640kb

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
? 77 ...

result:

ok Correct (4 test cases)

Test #39:

score: 0
Accepted
time: 1ms
memory: 3584kb

input:

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

output:

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

result:

ok Correct (4 test cases)

Test #40:

score: 0
Accepted
time: 1ms
memory: 3576kb

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
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0
250
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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
? 6 1
? 5 2
! 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: 2ms
memory: 3636kb

input:

1
1000
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 00:19:56 | OpenSource Project