QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#87012#4218. Hidden GraphfansizheAC ✓531ms7292kbC++141.6kb2023-03-11 16:07:512023-03-11 16:12:57

Judging History

你现在查看的是最新测评结果

  • [2023-08-10 23:21:45]
  • System Update: QOJ starts to keep a history of the judgings of all the submissions.
  • [2023-03-11 16:12:57]
  • 评测
  • 测评结果:AC
  • 用时:531ms
  • 内存:7292kb
  • [2023-03-11 16:07:51]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
int n,m,k;
int mat[2005][2005];
vector<int> vec[2005],edge[2005];
int deg[2005],vis[2005];
priority_queue<pair<int,int>,vector<pair<int,int> >,greater<pair<int,int> > >que;
stack<int> st;
int num[2005];
int col[2005];
void rebuild(int n){
	for(int i=1;i<=n;i++)deg[i]=edge[i].size(),que.push(make_pair(deg[i],i));
	while(!que.empty()){
		int x=que.top().second;que.pop();
		if(vis[x])continue;
		k=max(k,deg[x]+1);
		vis[x]=1;
		st.push(x);
		for(int y:edge[x])if(!vis[y]){
			deg[y]--;
			que.push(make_pair(deg[y],y));
		}
	}
	for(int i=1;i<=k;i++)vec[i].clear();
	while(!st.empty()){
		int x=st.top();st.pop();
		vis[x]=0;
		for(int i=1;i<=k;i++)num[i]=0;
		for(int y:edge[x])if(!vis[y])num[col[y]]++;
		for(int i=1;i<=k;i++)if(!num[i]){col[x]=i;vec[i].push_back(x);break;}
	}
}
int main(){
	scanf("%d",&n);
	for(int i=1;i<=n;i++){
		int ins=0;
		for(int j=1;j<=k;j++){
			int flag=1,cnt=0;
			while(cnt<vec[j].size()){
				putchar('?');
				int tot=1;
				for(int x:vec[j])if(!mat[x][i])tot++;
				printf(" %d",tot);
				for(int x:vec[j])if(!mat[x][i])printf(" %d",x);
				printf(" %d\n",i);
				fflush(stdout);
				int x,y;scanf("%d%d",&x,&y);
				if(x<0&&y<0)break;
				else{
					flag=0;
					mat[x^y^i][i]=1;
					edge[i].push_back(x^y^i);
					edge[x^y^i].push_back(i);
					cnt++;m++;
				}
			}
			if(flag&&!ins)ins=1,vec[j].push_back(i);
		}
		rebuild(i);
	}
	printf("! %d\n",m);
	for(int i=1;i<=n;i++)
		for(int j=i+1;j<=n;j++)if(mat[i][j])printf("%d %d\n",i,j);
	fflush(stdout);
	return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 2ms
memory: 3752kb

input:

3
1 2
2 3
1 3

output:

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

result:

ok correct

Test #2:

score: 0
Accepted
time: 3ms
memory: 3760kb

input:

10
1 2
-1 -1
1 3
-1 -1
1 4
4 5
2 5
-1 -1
-1 -1
-1 -1
2 6
-1 -1
-1 -1
3 7
-1 -1
-1 -1
4 8
3 8
-1 -1
-1 -1
3 9
-1 -1
-1 -1
4 10
3 10
-1 -1

output:

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

result:

ok correct

Test #3:

score: 0
Accepted
time: 3ms
memory: 5744kb

input:

5
2 1
3 2
3 1
-1 -1
4 2
4 1
-1 -1
5 2
5 1

output:

? 2 1 2
? 2 2 3
? 2 1 3
? 2 3 4
? 2 2 4
? 2 1 4
? 3 4 3 5
? 2 2 5
? 2 1 5
! 7
1 2
1 3
1 4
1 5
2 3
2 4
2 5

result:

ok correct

Test #4:

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

input:

3
2 1
-1 -1
1 3

output:

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

result:

ok correct

Test #5:

score: 0
Accepted
time: 1ms
memory: 3752kb

input:

6
1 2
3 2
3 1
3 4
4 2
-1 -1
4 5
-1 -1
3 5
2 5
-1 -1
-1 -1
3 6
-1 -1

output:

? 2 1 2
? 2 2 3
? 2 1 3
? 2 3 4
? 2 2 4
? 2 1 4
? 3 4 1 5
? 2 1 5
? 2 3 5
? 2 2 5
? 3 5 1 6
? 2 4 6
? 2 3 6
? 2 2 6
! 9
1 2
1 3
2 3
2 4
2 5
3 4
3 5
3 6
4 5

result:

ok correct

Test #6:

score: 0
Accepted
time: 9ms
memory: 3832kb

input:

27
-1 -1
3 1
3 2
-1 -1
-1 -1
3 5
-1 -1
1 5
2 5
-1 -1
-1 -1
6 1
-1 -1
-1 -1
-1 -1
-1 -1
6 8
-1 -1
-1 -1
1 8
-1 -1
-1 -1
-1 -1
1 9
-1 -1
10 8
-1 -1
-1 -1
-1 -1
4 11
5 11
-1 -1
6 11
-1 -1
1 11
-1 -1
12 11
-1 -1
5 12
-1 -1
-1 -1
10 13
-1 -1
8 13
-1 -1
6 13
5 13
14 1
14 12
-1 -1
14 8
-1 -1
14 5
6 14
-1 -...

output:

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

result:

ok correct

Test #7:

score: 0
Accepted
time: 4ms
memory: 3936kb

input:

47
-1 -1
-1 -1
-1 -1
5 4
5 3
-1 -1
-1 -1
-1 -1
7 5
7 6
-1 -1
-1 -1
-1 -1
5 8
-1 -1
9 4
-1 -1
-1 -1
-1 -1
10 7
-1 -1
11 1
-1 -1
7 11
-1 -1
11 12
2 12
5 12
-1 -1
7 12
12 3
-1 -1
-1 -1
13 11
13 5
-1 -1
13 7
-1 -1
-1 -1
-1 -1
-1 -1
4 15
13 15
-1 -1
-1 -1
-1 -1
16 1
-1 -1
-1 -1
-1 -1
17 8
17 1
-1 -1
17 1...

output:

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

result:

ok correct

Test #8:

score: 0
Accepted
time: 1ms
memory: 3848kb

input:

38
-1 -1
-1 -1
4 1
-1 -1
3 5
4 5
-1 -1
1 5
-1 -1
4 6
-1 -1
-1 -1
6 7
7 5
2 7
4 7
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
4 10
11 1
-1 -1
-1 -1
11 4
12 8
11 12
-1 -1
-1 -1
12 7
-1 -1
13 8
11 13
-1 -1
13 12
4 13
-1 -1
13 1
-1 -1
3 14
-1 -1
11 14
14 5
6 14
-1 -1
-1 -1
1 14
-1 -1
-1 ...

output:

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

result:

ok correct

Test #9:

score: 0
Accepted
time: 4ms
memory: 3816kb

input:

25
-1 -1
-1 -1
-1 -1
5 4
5 2
-1 -1
-1 -1
6 4
-1 -1
5 7
7 3
-1 -1
-1 -1
4 8
2 8
-1 -1
5 8
-1 -1
9 8
-1 -1
-1 -1
2 9
9 4
10 3
-1 -1
-1 -1
-1 -1
9 11
-1 -1
10 11
-1 -1
2 11
-1 -1
6 12
-1 -1
-1 -1
12 4
-1 -1
5 13
-1 -1
7 13
13 8
6 13
-1 -1
-1 -1
5 14
-1 -1
7 14
-1 -1
14 13
14 3
14 4
-1 -1
-1 -1
-1 -1
10...

output:

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

result:

ok correct

Test #10:

score: 0
Accepted
time: 2ms
memory: 3740kb

input:

6
-1 -1
2 3
-1 -1
-1 -1
-1 -1
-1 -1
2 5
5 6
-1 -1
-1 -1

output:

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

result:

ok correct

Test #11:

score: 0
Accepted
time: 2ms
memory: 3764kb

input:

3
2 1
2 3
3 1

output:

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

result:

ok correct

Test #12:

score: 0
Accepted
time: 2ms
memory: 3832kb

input:

3
2 1
-1 -1
3 1

output:

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

result:

ok correct

Test #13:

score: 0
Accepted
time: 2ms
memory: 3712kb

input:

5
2 1
2 3
3 1
-1 -1
-1 -1
-1 -1
-1 -1
2 5
5 1

output:

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

result:

ok correct

Test #14:

score: 0
Accepted
time: 2ms
memory: 3740kb

input:

3
2 1
-1 -1
-1 -1

output:

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

result:

ok correct

Test #15:

score: 0
Accepted
time: 0ms
memory: 3784kb

input:

5
-1 -1
-1 -1
4 3
-1 -1
2 5
-1 -1
3 5

output:

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

result:

ok correct

Test #16:

score: 0
Accepted
time: 10ms
memory: 4020kb

input:

93
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
10 9
-1 -1
7 11
-1 -1
-1 -1
2 12
-1 -1
-1 -1
5 13
-1 -1
-1 -1
-1 -1
-1 -1
15 12
-1 -1
-1 -1
6 16
8 16
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
19 18
11 19
-1 -1
-1 -1
20 16
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
1 23
8 23
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
1 25
...

output:

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

result:

ok correct

Test #17:

score: 0
Accepted
time: 10ms
memory: 5680kb

input:

111
-1 -1
-1 -1
-1 -1
-1 -1
2 6
-1 -1
7 4
-1 -1
-1 -1
3 8
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
2 11
4 11
-1 -1
6 12
7 12
12 11
-1 -1
12 4
-1 -1
13 10
-1 -1
7 13
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
17 10
-1 -1
-1 -1
18 5
-1 -1
-1 -1
4 18
16 19
-1 -1
11 19
-1 -...

output:

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

result:

ok correct

Test #18:

score: 0
Accepted
time: 32ms
memory: 4216kb

input:

132
-1 -1
3 1
-1 -1
-1 -1
-1 -1
-1 -1
5 1
6 3
-1 -1
-1 -1
7 2
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
10 8
-1 -1
5 10
-1 -1
-1 -1
-1 -1
-1 -1
12 8
-1 -1
9 13
-1 -1
-1 -1
-1 -1
2 14
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
17 15
-1 -1
-1 -1
-1 -1
-1 -1
19 10
17 19
19 6
-1 -1
-1 -1
-1 -1
-1 -1
21 20
-1 -1
-1 -1
22 8...

output:

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

result:

ok correct

Test #19:

score: 0
Accepted
time: 11ms
memory: 4096kb

input:

94
-1 -1
3 2
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
2 7
-1 -1
-1 -1
7 9
-1 -1
2 9
-1 -1
-1 -1
-1 -1
11 6
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
11 13
-1 -1
6 13
-1 -1
-1 -1
14 10
-1 -1
14 11
-1 -1
-1 -1
-1 -1
15 11
-1 -1
-1 -1
15 16
-1 -1
16 7
-1 -1
-1 -1
17 8
-1 -1
17 10
17 11
-1 -1
-1 -1
-1 ...

output:

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

result:

ok correct

Test #20:

score: 0
Accepted
time: 7ms
memory: 3968kb

input:

73
-1 -1
1 3
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
5 7
6 7
-1 -1
-1 -1
3 8
-1 -1
-1 -1
1 9
9 8
-1 -1
-1 -1
3 10
9 10
4 10
-1 -1
1 10
-1 -1
-1 -1
4 11
-1 -1
-1 -1
12 10
-1 -1
12 9
12 3
-1 -1
-1 -1
-1 -1
13 11
13 6
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
15 8
-1 -1
-1 -1
-1 -1
16 14
1 16
-1 -1
10 16
-1 -1
3...

output:

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

result:

ok correct

Test #21:

score: 0
Accepted
time: 13ms
memory: 4048kb

input:

77
-1 -1
3 2
-1 -1
-1 -1
2 4
-1 -1
-1 -1
3 6
-1 -1
-1 -1
-1 -1
3 7
-1 -1
-1 -1
3 8
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
1 11
-1 -1
-1 -1
-1 -1
-1 -1
8 13
-1 -1
-1 -1
-1 -1
2 14
14 8
14 7
-1 -1
3 15
-1 -1
15 8
2 15
-1 -1
16 15
-1 -1
16 8
16 1
2 16
-1 -1
-1 -1
-1 -1
7 17
-1 -1
2 17
-1 -1
-1 -1
-1 -1
-1 -1
-1...

output:

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

result:

ok correct

Test #22:

score: 0
Accepted
time: 34ms
memory: 4044kb

input:

81
-1 -1
2 3
-1 -1
-1 -1
2 4
4 5
1 5
-1 -1
-1 -1
-1 -1
4 6
-1 -1
-1 -1
-1 -1
-1 -1
1 8
-1 -1
-1 -1
-1 -1
2 10
10 6
-1 -1
10 4
10 3
-1 -1
-1 -1
-1 -1
11 3
4 11
8 12
-1 -1
-1 -1
2 12
6 12
10 13
-1 -1
-1 -1
-1 -1
10 14
-1 -1
-1 -1
1 14
-1 -1
-1 -1
13 15
-1 -1
-1 -1
12 16
11 16
1 16
-1 -1
13 16
-1 -1
-1...

output:

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

result:

ok correct

Test #23:

score: 0
Accepted
time: 25ms
memory: 4104kb

input:

93
-1 -1
-1 -1
4 1
2 4
-1 -1
-1 -1
-1 -1
4 6
-1 -1
-1 -1
2 7
-1 -1
-1 -1
3 8
-1 -1
1 8
-1 -1
9 8
-1 -1
9 1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
13 7
-1 -1
-1 -1
-1 -1
9 14
4 14
-1 -1
-1 -1
1 14
14 15
-1 -1
-1 -1
-1 -1
13 16
-1 -1
-1 -1
-1 -1
17 5
17 8
2 17
-1 -1
17 16
17 3
-1 ...

output:

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

result:

ok correct

Test #24:

score: 0
Accepted
time: 6ms
memory: 3876kb

input:

37
-1 -1
3 1
-1 -1
-1 -1
-1 -1
2 5
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
7 1
2 7
6 8
7 8
4 8
-1 -1
2 8
1 8
9 8
-1 -1
6 9
-1 -1
9 1
2 9
3 10
-1 -1
10 8
1 10
-1 -1
9 11
4 11
7 11
-1 -1
3 11
11 8
11 1
2 11
-1 -1
-1 -1
12 7
-1 -1
12 8
12 1
-1 -1
12 13
6 13
-1 -1
-1 -1
-1 -1
-1 -1
6 14
14 5
-1 -1
14 3
-1 -1
14 8...

output:

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

result:

ok correct

Test #25:

score: 0
Accepted
time: 1ms
memory: 3928kb

input:

144
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
9 15
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
14 18
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
5 22
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -...

output:

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

result:

ok correct

Test #26:

score: 0
Accepted
time: 106ms
memory: 5340kb

input:

561
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
26 22
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1...

output:

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

result:

ok correct

Test #27:

score: 0
Accepted
time: 89ms
memory: 5328kb

input:

679
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
39 40
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1...

output:

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

result:

ok correct

Test #28:

score: 0
Accepted
time: 190ms
memory: 6460kb

input:

1000
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
17 27
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-...

output:

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

result:

ok correct

Test #29:

score: 0
Accepted
time: 178ms
memory: 6424kb

input:

1000
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
13 14
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
6 22
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1...

output:

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

result:

ok correct

Test #30:

score: 0
Accepted
time: 531ms
memory: 7292kb

input:

2000
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
44 15
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-...

output:

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

result:

ok correct