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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#776819#8239. Mysterious TreedodolaAC ✓7ms3828kbC++172.2kb2024-11-23 21:04:572024-11-23 21:04:57

Judging History

你现在查看的是最新测评结果

  • [2024-11-23 21:04:57]
  • 评测
  • 测评结果：AC
  • 用时：7ms
  • 内存：3828kb
查看
  • [2024-11-23 21:04:57]
  • 提交

answer

#include <bits/stdc++.h>
#include <utility>

#define x first
#define y second

using namespace std;

typedef double ld;
typedef unsigned long ul;
typedef long long ll;
typedef unsigned long long ull;
typedef pair<ll, ll> pll;

const int maxn = 3e5 + 50;
const ll inf = 0x3f3f3f3f3f3f;
const vector<pll> dxy = {{-1, 0}, {1, 0}, {0, 1}, {0, -1}};

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

  ll t;
  auto ask = [&](ll p1, ll p2) {
    cout << "? " << p1 << ' ' << p2 << endl;
    cin >> t;
  };
  auto conf = [&](ll x) { cout << "! " << x << endl; };

  bool flag = false;
  ll u = -1, v = -1;
  for (ll i = 1; i + 1 <= n; i += 2) {
    ask(i, i + 1);
    if (t == 1) {
      flag = true;
      u = i, v = i + 1;
      break;
    }
  }

  ll t1, t2, t3;
  if (!flag) {
    if (n & 1) {
      ask(n, 1);
      t1 = t;
      ask(n, 2);
      t2 = t;
      ask(n, 3);
      t3 = t;
      if (t1 && t2 && t3) {
        conf(2);
      } else {
        conf(1);
      }
    } else {
      conf(1);
    }
    return;
  }
  if (u - 1 >= 1) {
    ask(u - 1, u);
    t1 = t;
    if (t1 != 1) {
      ask(u - 1, v);
      t2 = t;
      if (t2 != 1) {
        conf(1);
      } else {
        if (v + 1 <= n)
          ask(v, v + 1);
        else
          ask(u - 2, v);
        t3 = t;
        if (t3 != 1) {
          conf(1);
        } else {
          conf(2);
        }
      }
    } else {
      if (u - 2 >= 1) {
        ask(u - 2, u);
      } else {
        ask(v + 1, u);
      }
      t2 = t;
      if (t2 != 1) {
        conf(1);
      } else {
        conf(2);
      }
    }
  } else {
    ask(v, v + 1);
    t1 = t;
    if (t1 != 1) {
      ask(v + 1, u);
      t2 = t;
      if (t2 != 1) {
        conf(1);
      } else {
        ask(v + 2, u);
        t3 = t;
        if (t3 != 1) {
          conf(1);
        } else {
          conf(2);
        }
      }
    } else {
      ask(v, v + 2);
      t2 = t;
      if (t2 != 1) {
        conf(1);
      } else {
        conf(2);
      }
    }
  }
}

void init() {}

int main(void) {
  // ios::sync_with_stdio(false);
  // cin.tie(0);
  init();
  int _t = 1;
  cin >> _t;
  cin.get();
  while (_t--)
    solve();

  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: 3468kb

input:

2
4
1
1
0
4
0
1
1
1

output:

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

result:

ok Correct (2 test cases)

Test #2:

score: 0
Accepted
time: 1ms
memory: 3596kb

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
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
0
1
11
1
0
0
14
0
0
0
0
0
0
0
13
0
0
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
1
0
11
0
1
0
...

output:

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

result:

ok Correct (87 test cases)

Test #3:

score: 0
Accepted
time: 2ms
memory: 3812kb

input:

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

output:

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

result:

ok Correct (135 test cases)

Test #4:

score: 0
Accepted
time: 0ms
memory: 3816kb

input:

136
8
0
0
0
1
0
1
1
5
1
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
1
1
7
0
0
0
1
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
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
1
1
7
0
0
0
1
1
1
10
0
0
0
1
1
1
8
0
...

output:

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

result:

ok Correct (136 test cases)

Test #5:

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

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
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: 2ms
memory: 3756kb

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
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...

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: 7ms
memory: 3592kb

input:

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

output:

? 1 2
? 3 4
! 1
? 1 2
? 3 4
? 5 6
? 7 8
? 9 1
? 9 2
? 9 3
! 1
? 1 2
? 3 4
? 5 6
? 7 1
? 7 2
? 7 3
! 2
? 1 2
? 3 4
! 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
? 4 5
? 4 6
? 3 6
! 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: 0ms
memory: 3532kb

input:

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

output:

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

result:

ok Correct (117 test cases)

Test #9:

score: 0
Accepted
time: 4ms
memory: 3464kb

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
0
0
4
0
0
14
0
0
0
0
0
0
0
11
0
0
0
0
0
0
0
0
11
0
0
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
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
1
1
9
0
0
0
0
1
1
1
8
0
0
0
0
7
0
0
0
0
0
0
7
0
0
0
1
1
1
4
0
0
8
0
0
0
1
0...

output:

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

result:

ok Correct (99 test cases)

Test #10:

score: 0
Accepted
time: 4ms
memory: 3804kb

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
1
1
13
0
0
0
0
0
0
0
0
0
11
0
0
0
0
0
1
1
1
7
0
0
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
1
1
6
0
0
0
9
0
0
0
0
0
0
0
10
0
0
0
0
1
0
1
1
5
0
0
1
1
1
4
0
0
6
0
0
0
15
0
0
0
0
0
0
0
0
0
0
4
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
! 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
? 17 1
? 17 2
? 17 3
! 2
? 1 2
? 3 4
? 5 6
? 7 8
? 9 10
? 11 12
? 13 1
? 13 2
? 13 3
! 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: 4ms
memory: 3764kb

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
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
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
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1
1
6
0
0
0
59
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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 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
? 35 36
? ...

result:

ok Correct (23 test cases)

Test #12:

score: 0
Accepted
time: 3ms
memory: 3736kb

input:

20
39
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
? 36 37
? 35 37
! 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
? 24 25
? 24 26
? 26 27
! 2
? 1 2
? 3 4
? ...

result:

ok Correct (20 test cases)

Test #13:

score: 0
Accepted
time: 3ms
memory: 3576kb

input:

9
69
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 1
? 69 2
? 69 3
! 1
? 1 2
? 3 4
...

result:

ok Correct (9 test cases)

Test #14:

score: 0
Accepted
time: 3ms
memory: 3580kb

input:

6
243
0
0
0
0
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 (6 test cases)

Test #15:

score: 0
Accepted
time: 3ms
memory: 3568kb

input:

4
613
0
0
0
0
0
0
0
0
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
? 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: 4ms
memory: 3604kb

input:

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

output:

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

result:

ok Correct (146 test cases)

Test #17:

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

input:

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

output:

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

result:

ok Correct (117 test cases)

Test #18:

score: 0
Accepted
time: 0ms
memory: 3516kb

input:

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

output:

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

result:

ok Correct (105 test cases)

Test #19:

score: 0
Accepted
time: 4ms
memory: 3796kb

input:

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

output:

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

result:

ok Correct (86 test cases)

Test #20:

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

input:

20
53
1
1
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
62
1
1
0
33
1
1
1
89
1
1
0
55
1
1
0
71
1
1
0
45
1
1
1
44
1
1
1
52
1
1
1
46
1
1
0
7
1
1
0
7
1
1
1

output:

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

result:

ok Correct (20 test cases)

Test #21:

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

input:

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

output:

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

result:

ok Correct (9 test cases)

Test #22:

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

input:

12
92
1
1
1
50
1
1
1
395
1
1
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
12
1
1
0
14
1
1
0
4
1
1
1

output:

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

result:

ok Correct (12 test cases)

Test #23:

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

input:

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

output:

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

result:

ok Correct (5 test cases)

Test #24:

score: 0
Accepted
time: 5ms
memory: 3732kb

input:

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

output:

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

result:

ok Correct (81 test cases)

Test #25:

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

input:

24
43
1
1
1
87
1
1
1
19
0
1
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1
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0
1
1
1

output:

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

result:

ok Correct (24 test cases)

Test #26:

score: 0
Accepted
time: 1ms
memory: 3596kb

input:

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

output:

? 1 2
? 3 4
? 5 6
? 7 8
? 9 10
? 8 9
? 8 10
! 1
? 1 2
? 2 3
? 2 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
? 50 51
? 50 52
! 1
? 1 2
? 3 4...

result:

ok Correct (9 test cases)

Test #27:

score: 0
Accepted
time: 1ms
memory: 3604kb

input:

8
481
0
0
0
0
1
0
1
1
165
0
0
0
0
1
0
1
1
11
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1
1
0
34
1
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0
148
1
1
1
12
1
1
0
4
0
1
1
1

output:

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

result:

ok Correct (8 test cases)

Test #28:

score: 0
Accepted
time: 1ms
memory: 3464kb

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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115
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0
20
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37
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1
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0
19
1
1
1
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0
36
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
? 24 25
? 24 26
! 1
? 1 2
? 2 3
? 2 4
! 1
? 1 2
? 2 3
? 2 4
! 1
? 1 2
? 2 3
? 2 4
! 2
? 1 2
? 2 3
? 2 4
! 2
? 1 2
? 3 4
? 2 3
? 2 4
! 1
? 1 2
? 2 3
? 2 4
! 2
? 1 2
? 3 4
? 2 3
? 2 4
! 1
? 1 2
? 2 3
? 2 4
!...

result:

ok Correct (10 test cases)

Test #29:

score: 0
Accepted
time: 0ms
memory: 3532kb

input:

1
1000
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: 3812kb

input:

2
500
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: 3ms
memory: 3580kb

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
? 74 ...

result:

ok Correct (4 test cases)

Test #32:

score: 0
Accepted
time: 0ms
memory: 3748kb

input:

1
1000
0
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 #33:

score: 0
Accepted
time: 1ms
memory: 3828kb

input:

1
1000
1
1
1

output:

? 1 2
? 2 3
? 2 4
! 2

result:

ok Correct (1 test case)

Test #34:

score: 0
Accepted
time: 1ms
memory: 3512kb

input:

1
1000
0
0
0
0
1
0
1
1

output:

? 1 2
? 3 4
? 5 6
? 7 8
? 9 10
? 8 9
? 8 10
? 10 11
! 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: 0ms
memory: 3632kb

input:

2
500
1
1
1
500
1
1
0

output:

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

result:

ok Correct (2 test cases)

Test #37:

score: 0
Accepted
time: 1ms
memory: 3508kb

input:

2
500
1
1
1
500
0
1
0
1
1

output:

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

result:

ok Correct (2 test cases)

Test #38:

score: 0
Accepted
time: 2ms
memory: 3596kb

input:

4
250
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 (4 test cases)

Test #39:

score: 0
Accepted
time: 1ms
memory: 3512kb

input:

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

output:

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

result:

ok Correct (4 test cases)

Test #40:

score: 0
Accepted
time: 1ms
memory: 3580kb

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
0
250
0
0
1
0
1
1

output:

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

result:

ok Correct (4 test cases)

Test #41:

score: 0
Accepted
time: 1ms
memory: 3472kb

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)

Extra Test:

score: 0
Extra Test Passed
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Server Time: 2024-12-01 00:22:02 | OpenSource Project