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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#463588#8239. Mysterious TreeztttttAC ✓5ms3724kbC++142.4kb2024-07-05 01:40:442024-07-05 01:40:44

Judging History

你现在查看的是最新测评结果

  • [2024-07-05 01:40:44]
  • 评测
  • 测评结果:AC
  • 用时:5ms
  • 内存:3724kb
  • [2024-07-05 01:40:44]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
int main(){
	int t;
	cin>>t;
	while(t--){
		int n;
		cin>>n;
		int zt,zqx;
		int flag=0;
		if(n%2==0){
			for(int i=1;i<=n;i+=2){
				cout<<"? "<<i<<" "<<i+1<<endl;
				cout.flush();
				int a;
				cin>>a;
				if(a){
				    zt=i,zqx=i+1;
					break;	
				}	
				if(i==n-1){
					cout<<"! 1"<<endl;
					cout.flush();
					flag=1;
				}
						}
						if(flag)continue;
			int zt1;
			for(int i=1;i<=n;i++){
				if(i!=zt&&i!=zqx){
					zt1=i;
					break;
				}
			}
			cout<<"? "<<zt<<" "<<zt1<<endl;
			cout.flush();
			int a;
			cin>>a;
			if(a){
				cout<<"? "<<zt<<" "<<zt1+1<<endl;
				cout.flush();
				int b;
				cin>>b;
				if(b){
					cout<<"! 2"<<endl;
					cout.flush();
				}else{
					cout<<"! 1"<<endl;
					cout.flush();
				}
			}else{
				cout<<"? "<<zqx<<" "<<zt1<<endl;
				cout.flush();
				int b;
				cin>>b;
				if(b){
					cout<<"? "<<zqx<<" "<<zt1+1<<endl;
					cout.flush();
					int c;
					cin>>c;
					if(c){
						cout<<"! 2"<<endl;
						cout.flush();
					}else{
						cout<<"! 1"<<endl;
						cout.flush();
					}
				}else{
					cout<<"! 1"<<endl;
					cout.flush();
				}
			}
		}else{
			for(int i=1;i<n;i+=2){
				cout<<"? "<<i<<" "<<i+1<<endl;
				cout.flush();
				int a;
				cin>>a;
				if(a){
				    zt=i,zqx=i+1;
					break;	
				}	
				if(i==n-2){
					cout<<"? "<<i+1<<" "<<i+2<<endl;
					cout.flush();
					int aa;
					cin>>aa;
					if(aa){
						zt=i+1,zqx=i+2;
						break;
					} else{
						cout<<"! 1"<<endl;
						cout.flush();
						flag=1;
					}
				}
						}
						if(flag)continue;
			int zt1;
			for(int i=1;i<=n;i++){
				if(i!=zt&&i!=zqx){
					zt1=i;
					break;
				}
			}
			cout<<"? "<<zt<<" "<<zt1<<endl;
			cout.flush();
			int a;
			cin>>a;
			if(a){
				cout<<"? "<<zt<<" "<<zt1+1<<endl;
				cout.flush();
				int b;
				cin>>b;
				if(b){
					cout<<"! 2"<<endl;
					cout.flush();
				}else{
					cout<<"! 1"<<endl;
					cout.flush();
				}
			}else{
				cout<<"? "<<zqx<<" "<<zt1<<endl;
				cout.flush();
				int b;
				cin>>b;
				if(b){
					cout<<"? "<<zqx<<" "<<zt1+1<<endl;
					cout.flush();
					int c;
					cin>>c;
					if(c){
						cout<<"! 2"<<endl;
						cout.flush();
					}else{
						cout<<"! 1"<<endl;
						cout.flush();
					}
				}else{
					cout<<"! 1"<<endl;
					cout.flush();
				}
			}
		} 
	}
	return 0;
}

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: 5ms
memory: 3640kb

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: 0ms
memory: 3560kb

input:

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

output:

? 1 2
? 1 3
? 2 3
! 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
! 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
? 7 1
? 7 2
!...

result:

ok Correct (135 test cases)

Test #4:

score: 0
Accepted
time: 5ms
memory: 3636kb

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 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
! 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: 3700kb

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: 3636kb

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: 5ms
memory: 3636kb

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: 0ms
memory: 3656kb

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: 0ms
memory: 3572kb

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: 5ms
memory: 3636kb

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: 0ms
memory: 3648kb

input:

23
27
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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
? 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: 2ms
memory: 3636kb

input:

20
39
0
0
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0
0
0
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0...

output:

? 1 2
? 3 4
? 5 6
? 7 8
? 9 10
? 11 12
? 13 14
? 15 16
? 17 18
? 19 20
? 21 22
? 23 24
? 25 26
? 27 28
? 29 30
? 31 32
? 33 34
? 35 36
? 37 38
? 37 1
? 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: 3692kb

input:

9
69
0
0
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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
? 68 69
! 1
? 1 2
? 3 4
? 5 6
? 7 8
?...

result:

ok Correct (9 test cases)

Test #14:

score: 0
Accepted
time: 4ms
memory: 3564kb

input:

6
243
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 (6 test cases)

Test #15:

score: 0
Accepted
time: 4ms
memory: 3636kb

input:

4
613
0
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
? 43 44
? 45 46
? 47 48
? 49 50
? 51 52
? 53 54
? 55 56
? 57 58
? 59 60
? 61 62
? 63 64
? 65 66
? 67 68
? 69 70
? 71 72
? 73 74
? 75 76
? 77 ...

result:

ok Correct (4 test cases)

Test #16:

score: 0
Accepted
time: 2ms
memory: 3692kb

input:

146
6
1
1
0
9
1
1
0
4
1
1
1
9
1
1
1
7
1
1
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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
? 1 3
? 1 4
! 1
? 1 2
? 1 3
? 1 4
! 1
? 1 2
? 1 3
? 1 4
! 2
? 1 2
? 1 3
? 1 4
! 2
? 1 2
? 1 3
? 1 4
! 1
? 1 2
? 1 3
? 1 4
! 2
? 1 2
? 1 3
? 1 4
! 1
? 1 2
? 1 3
? 1 4
! 2
? 1 2
? 1 3
? 1 4
! 1
? 1 2
? 1 3
? 1 4
! 2
? 1 2
? 1 3
? 1 4
! 2
? 1 2
? 1 3
? 1 4
! 2
? 1 2
? 1 3
? 1 4
! 2
? 1 2
? 1 3
? ...

result:

ok Correct (146 test cases)

Test #17:

score: 0
Accepted
time: 4ms
memory: 3724kb

input:

117
4
1
1
1
4
1
1
1
12
1
1
1
7
1
1
1
12
1
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13
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1
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13
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12
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1
9
1
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1
4
1
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
? 1 3
? 1 4
! 2
? 1 2
? 1 3
? 1 4
! 2
? 1 2
? 1 3
? 1 4
! 2
? 1 2
? 1 3
? 1 4
! 2
? 1 2
? 1 3
? 1 4
! 2
? 1 2
? 1 3
? 1 4
! 2
? 1 2
? 1 3
? 1 4
! 2
? 1 2
? 1 3
? 1 4
! 2
? 1 2
? 1 3
? 1 4
! 2
? 1 2
? 1 3
? 1 4
! 1
? 1 2
? 1 3
? 1 4
! 2
? 1 2
? 1 3
? 1 4
! 1
? 1 2
? 1 3
? 1 4
! 1
? 1 2
? 1 3
? ...

result:

ok Correct (117 test cases)

Test #18:

score: 0
Accepted
time: 4ms
memory: 3564kb

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

output:

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

result:

ok Correct (105 test cases)

Test #19:

score: 0
Accepted
time: 4ms
memory: 3572kb

input:

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

output:

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

result:

ok Correct (86 test cases)

Test #20:

score: 0
Accepted
time: 1ms
memory: 3688kb

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

result:

ok Correct (20 test cases)

Test #21:

score: 0
Accepted
time: 1ms
memory: 3624kb

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

result:

ok Correct (9 test cases)

Test #22:

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

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

result:

ok Correct (12 test cases)

Test #23:

score: 0
Accepted
time: 1ms
memory: 3640kb

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

result:

ok Correct (5 test cases)

Test #24:

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

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

output:

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

result:

ok Correct (81 test cases)

Test #25:

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

input:

24
43
1
1
1
87
1
1
1
19
0
1
1
1
23
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1
5
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1
0
1
1

output:

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

result:

ok Correct (24 test cases)

Test #26:

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

input:

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

output:

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

result:

ok Correct (9 test cases)

Test #27:

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

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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145
0
1
1
0
34
1
0
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
? 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
! 1
? 1 2
? 1 3
? 2 3
! 1
? 1 2
? 1 3
? 1 4
! 2
? 1 2
? 1 3
? 1 4
! 1
? 1 2
? 3 4
? 3 1
? 3 2
! 2

result:

ok Correct (8 test cases)

Test #28:

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

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
1
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1
37
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1
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1
0
0
19
1
1
1
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1
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0
36
1
1
1
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0
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
? 1 4
! 1
? 1 2
? 1 3
? 1 4
! 1
? 1 2
? 1 3
? 1 4
! 2
? 1 2
? 1 3
? 1 4
! 2
? 1 2
? 3 4
? 3 1
? 4 1
! 1
? 1 2
? 1 3
? 1 4
! 2
? 1 2
? 3 4
? 3 1
? 4 1
! 1
? 1 2
? 1 3
? 1 4
! 2...

result:

ok Correct (10 test cases)

Test #29:

score: 0
Accepted
time: 3ms
memory: 3724kb

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: 2ms
memory: 3700kb

input:

2
500
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: 3712kb

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: 3580kb

input:

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

output:

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

result:

ok Correct (1 test case)

Test #33:

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

input:

1
1000
1
1
1

output:

? 1 2
? 1 3
? 1 4
! 2

result:

ok Correct (1 test case)

Test #34:

score: 0
Accepted
time: 1ms
memory: 3636kb

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: 1ms
memory: 3624kb

input:

2
500
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 #36:

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

input:

2
500
1
1
1
500
1
1
0

output:

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

result:

ok Correct (2 test cases)

Test #37:

score: 0
Accepted
time: 1ms
memory: 3692kb

input:

2
500
1
1
1
500
0
1
0
1
1

output:

? 1 2
? 1 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: 2ms
memory: 3572kb

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: 0ms
memory: 3708kb

input:

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

output:

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

result:

ok Correct (4 test cases)

Test #40:

score: 0
Accepted
time: 1ms
memory: 3636kb

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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0
1
1
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
! 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: 3ms
memory: 3652kb

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)

Extra Test:

score: 0
Extra Test Passed