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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#649636#8239. Mysterious TreetravelAC ✓7ms3728kbC++142.6kb2024-10-18 08:00:342024-10-18 08:00:35

Judging History

你现在查看的是最新测评结果

  • [2024-10-18 08:00:35]
  • 评测
  • 测评结果：AC
  • 用时：7ms
  • 内存：3728kb
查看
  • [2024-10-18 08:00:34]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
#define int long long
typedef pair<int,int> PII;
#define ft first
#define sd second
#define pb push_back
const int mod = 1e9 + 7;
bool query(int a,int b) {
	cout<<"? "<<a<<' '<<b<<endl;
	bool flag;
	cin>>flag;
	return flag;
}
int n;
void solve() {
	cin>>n;
	if(n & 1) {
		int cnt = 0,t = -1;
		for(int i = 1; i < n; i+=2) {
			int a = i,b = i + 1;
			bool flag = query(a,b);
			cnt +=flag;
			if(flag == 1)
				t = i;
		}
		if(cnt == 0) {
			int cnt1 = 0;
			for(int i = 1; i <= 3; i++)
				cnt1 +=query(i,n);
			if(cnt1 == 3)
				cout<<"! "<<2<<endl;
			else
				cout<<"! "<<1<<endl;
		} else if(cnt > 1)
			cout<<"! "<<1<<endl;
		else {
			if(t == 1) {
				bool l,r;
				l = query(1,3);
				r = query(2,4);
				if(l == 1) {
					l = query(1,4);
					if(l == 1)
						cout<<"! "<<2<<endl;
					else
						cout<<"! "<<1<<endl;
				} else if(r == 1) {
					r = query(2,3);
					if(r == 1)
						cout<<"! "<<2<<endl;
					else
						cout<<"! "<<1<<endl;
				} else
					cout<<"! "<<1<<endl;
			} else {
				bool l,r;
				l = query(1,t);
				r = query(2,t + 1);
				if(l == 1) {
					l = query(2,t);
					if(l == 1)
						cout<<"! "<<2<<endl;
					else
						cout<<"! "<<1<<endl;
				} else if(r == 1) {
					r = query(1,t + 1);
					if(r == 1)
						cout<<"! "<<2<<endl;
					else
						cout<<"! "<<1<<endl;
				} else
					cout<<"! "<<1<<endl;
			}
		}
	} else {
		int cnt = 0,t = -1;
		for(int i = 1; i < n; i+=2) {
			int a = i,b = i + 1;
			bool flag = query(a,b);
			cnt +=flag;
			if(flag == 1)
				t = i;
		}
		if(cnt == 0)
			cout<<"! "<<1<<endl;
		else if(cnt > 1)
			cout<<"! "<<1<<endl;
		else {
			if(t == 1) {
				bool l,r;
				l = query(1,3);
				r = query(2,4);
				if(l == 1) {
					l = query(1,4);
					if(l == 1)
						cout<<"! "<<2<<endl;
					else
						cout<<"! "<<1<<endl;
				} else if(r == 1) {
					r = query(2,3);
					if(r == 1)
						cout<<"! "<<2<<endl;
					else
						cout<<"! "<<1<<endl;
				} else
					cout<<"! "<<1<<endl;
			} else {
				bool l,r;
				l = query(1,t);
				r = query(2,t + 1);
				if(l == 1) {
					l = query(2,t);
					if(l == 1)
						cout<<"! "<<2<<endl;
					else
						cout<<"! "<<1<<endl;
				} else if(r == 1) {
					r = query(1,t + 1);
					if(r == 1)
						cout<<"! "<<2<<endl;
					else
						cout<<"! "<<1<<endl;
				} else
					cout<<"! "<<1<<endl;
			}
		}
	}
}
signed main() {
	ios::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	int T ;
	cin>>T;
	while(T--)
		solve();
	return 0;
}
Source code, Language: C++14

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: 3728kb

input:

2
4
1
1
4
0
1
1
0
1

output:

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

result:

ok Correct (2 test cases)

Test #2:

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

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
1
0
0
19
0
0
0
0
0
1
0
0
0
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
0
0
1
0
1
17
0
0
0
0
0
0
0
0
0
0
1
11
1
1
0
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
0
0
0
1
1
14
0
1
0
0
0
0
0
0
1
1
20
...

output:

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

result:

ok Correct (87 test cases)

Test #3:

score: 0
Accepted
time: 2ms
memory: 3600kb

input:

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

output:

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

result:

ok Correct (135 test cases)

Test #4:

score: 0
Accepted
time: 3ms
memory: 3588kb

input:

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

output:

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

result:

ok Correct (136 test cases)

Test #5:

score: 0
Accepted
time: 2ms
memory: 3708kb

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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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
? 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: 3664kb

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

result:

ok Correct (160 test cases)

Test #8:

score: 0
Accepted
time: 0ms
memory: 3680kb

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

result:

ok Correct (117 test cases)

Test #9:

score: 0
Accepted
time: 0ms
memory: 3680kb

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

result:

ok Correct (99 test cases)

Test #10:

score: 0
Accepted
time: 0ms
memory: 3600kb

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

result:

ok Correct (84 test cases)

Test #11:

score: 0
Accepted
time: 0ms
memory: 3680kb

input:

23
27
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
? 1 27
? 2 27
? 3 27
! 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: 4ms
memory: 3648kb

input:

20
39
0
0
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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
? 1 37
? 2 38
? 2 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
? 27 28
? 29 30
? 31 32
? 33 34
? 35 ...

result:

ok Correct (20 test cases)

Test #13:

score: 0
Accepted
time: 4ms
memory: 3684kb

input:

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

result:

ok Correct (9 test cases)

Test #14:

score: 0
Accepted
time: 1ms
memory: 3684kb

input:

6
243
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: 0ms
memory: 3660kb

input:

4
613
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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 #16:

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

input:

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

output:

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

result:

ok Correct (146 test cases)

Test #17:

score: 0
Accepted
time: 4ms
memory: 3668kb

input:

117
4
1
1
4
1
0
1
0
1
12
1
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1
8
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1
7
1
1
1
6
1
1
1
7
...

output:

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

result:

ok Correct (117 test cases)

Test #18:

score: 0
Accepted
time: 4ms
memory: 3648kb

input:

105
7
1
1
1
11
1
1
1
1
1
13
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1
12
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1
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0
0
0
1
0
1
5
1
0...

output:

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

result:

ok Correct (105 test cases)

Test #19:

score: 0
Accepted
time: 7ms
memory: 3588kb

input:

86
12
1
0
0
0
0
0
1
0
1
17
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0
1
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...

output:

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

result:

ok Correct (86 test cases)

Test #20:

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

input:

20
53
1
1
1
1
1
1
1
1
1
1
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1
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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
! 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
? ...

result:

ok Correct (20 test cases)

Test #21:

score: 0
Accepted
time: 3ms
memory: 3592kb

input:

9
273
1
1
1
1
1
1
1
1
1
1
1
1
1
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1
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1
1
1
1
1
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 (9 test cases)

Test #22:

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

input:

12
92
1
0
0
0
0
0
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1
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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 (12 test cases)

Test #23:

score: 0
Accepted
time: 4ms
memory: 3600kb

input:

5
957
1
1
1
1
1
1
1
1
1
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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 (5 test cases)

Test #24:

score: 0
Accepted
time: 5ms
memory: 3600kb

input:

81
11
1
1
1
1
1
20
0
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17
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9
1
1
0
0...

output:

? 1 2
? 3 4
? 5 6
? 7 8
? 9 10
! 1
? 1 2
? 3 4
? 5 6
? 7 8
? 9 10
? 11 12
? 13 14
? 15 16
? 17 18
? 19 20
? 1 3
? 2 4
? 2 3
! 2
? 1 2
? 3 4
? 1 3
? 2 4
? 2 3
! 2
? 1 2
? 3 4
? 5 6
? 7 8
? 9 10
? 11 12
? 13 14
? 15 16
! 1
? 1 2
? 3 4
? 5 6
? 7 8
? 9 10
? 11 12
? 13 14
? 15 16
? 17 18
? 1 3
? 2 4
? 1 ...

result:

ok Correct (81 test cases)

Test #25:

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

input:

24
43
1
0
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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
? 1 3
? 2 4
? 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
...

result:

ok Correct (24 test cases)

Test #26:

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

input:

9
35
0
0
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0
1
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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
! 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
? 37 38
? 39 40
? 41 42
? 43 44
? ...

result:

ok Correct (9 test cases)

Test #27:

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

input:

8
481
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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 (8 test cases)

Test #28:

score: 0
Accepted
time: 4ms
memory: 3652kb

input:

10
510
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 (10 test cases)

Test #29:

score: 0
Accepted
time: 0ms
memory: 3680kb

input:

1
1000
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: 0ms
memory: 3716kb

input:

2
500
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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: 3716kb

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 #32:

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

input:

1
1000
0
0
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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
1
1
1
1
1
1
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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 (1 test case)

Test #34:

score: 0
Accepted
time: 0ms
memory: 3600kb

input:

1
1000
0
0
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0
1
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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 #35:

score: 0
Accepted
time: 3ms
memory: 3592kb

input:

2
500
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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: 3684kb

input:

2
500
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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 #37:

score: 0
Accepted
time: 0ms
memory: 3680kb

input:

2
500
1
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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 #38:

score: 0
Accepted
time: 3ms
memory: 3664kb

input:

4
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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: 3ms
memory: 3604kb

input:

4
250
1
1
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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 #40:

score: 0
Accepted
time: 2ms
memory: 3604kb

input:

4
250
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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 #41:

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

input:

1
1000
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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: 2024-12-03 01:17:57 | OpenSource Project