QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#702434#9537. Chinese Chessucup-team987#AC ✓701ms5836kbC++205.5kb2024-11-02 15:58:412024-11-02 15:58:42

Judging History

你现在查看的是最新测评结果

  • [2024-11-02 15:58:42]
  • 评测
  • 测评结果:AC
  • 用时:701ms
  • 内存:5836kb
  • [2024-11-02 15:58:41]
  • 提交

answer

#include<iostream>
#include<algorithm>
#include<random>
#include<queue>
#include<vector>
#include<array>
#include<map>
#include<bitset>
#include<cassert>
using namespace std;
const bool debug=false;
const int H=10,W=9;
//using CAN=bitset<H*W*6>;
struct CAN{
	static const int n=(H*W*6+64-1)/64;
	array<long long,n>dat;
	void reset(){dat.fill(0LL);}
	bool test(int idx)const{return dat[idx/64]>>idx%64&1;}
	void set(int idx){dat[idx/64]|=1LL<<idx%64;}
	int count()const
	{
		int cnt=0;
		for(int i=0;i<n;i++)cnt+=__builtin_popcountll(dat[i]);
		return cnt;
	}
	bool operator<(const CAN&rhs)const
	{
		return dat<rhs.dat;
	}
};
int dist[H*W*6][H*W];
tuple<int,int,int>rck(int v){return make_tuple(v/W/6,v/6%W,v%6);}
map<CAN,pair<int,int> >mp;
int dfs(CAN A,int limit)
{
	if(mp.find(A)!=mp.end())return mp[A].first;
	{//check end
		int exk=0;
		for(int i=0;i<H*W*6;i++)if(A.test(i))exk|=1<<i%6;
		int pc=__builtin_popcount(exk);
		assert(pc>=1);
		if(pc==1)
		{
			mp[A]=make_pair(0,-1);
			return 0;
		}
	}
	if(limit==0)return 0;
	assert(limit>=1);
	vector<pair<int,int> >T[H*W];
	for(int i=0;i<H*W*6;i++)if(A.test(i))
	{
		for(int v=0;v<H*W;v++)T[v].push_back(make_pair(dist[i][v],i));
	}
	vector<pair<int,CAN> >NXT[H*W];
	vector<pair<int,int> >X;
	for(int v=0;v<H*W;v++)
	{
		sort(T[v].begin(),T[v].end());
		int mx=0;
		for(int i=0;i<T[v].size();)
		{
			const int d=T[v][i].first;
			CAN t;
			t.reset();
			int cnt=0;
			while(i<T[v].size()&&T[v][i].first==d)
			{
				cnt++;
				t.set(T[v][i++].second);
			}
			mx=max(mx,cnt);
			NXT[v].push_back(make_pair(d,t));
		}
		if(NXT[v].size()>=2)X.push_back(make_pair(mx,v));
	}
	sort(X.begin(),X.end());
	int tv=-1;
	for(auto[_,v]:X)
	{
		int mx=0;
		for(auto[_,B]:NXT[v])
		{
			int t=dfs(B,limit-1)+1;
			mx=max(mx,t);
			if(mx>=limit)break;
		}
		if(limit>mx)
		{
			limit=mx;
			tv=v;
		}
	}
	mp[A]=make_pair(limit,tv);
	return limit;
}
int ANSWER;
int ask(int v)
{
	assert(0<=v&&v<H*W);
	cout<<"? "<<v/W<<" "<<v%W<<endl;
	if(debug)return dist[ANSWER][v];
	else
	{
		int r;cin>>r;
		return r;
	}
}
void solve(vector<int>Ain)
{
	mp.clear();
	CAN A;A.reset();
	for(int a:Ain)for(int k=0;k<6;k++)A.set(a*6+k);
	if(debug)cout<<"START dfs"<<endl;
	int t=dfs(A,(int)1e9);
	if(debug)cout<<"END dfs"<<endl;
	assert(t<(int)1e9);
	cout<<t<<endl;
	while(true)
	{
		//assert(t>=0);
		int exk=0;
		for(int i=0;i<H*W*6;i++)if(A.test(i))exk|=1<<i%6;
		int pc=__builtin_popcount(exk);
		assert(pc>=1);
		if(pc==1)
		{
			int k=0;
			while(!(exk>>k&1))k++;
			cout<<"! "<<"JSCMXB"[k]<<endl;
			if(debug)assert(ANSWER%6==k);
			return;
		}
		//assert(t>=1);
		assert(mp.find(A)!=mp.end());
		//assert(t>=mp[A].first);
		t=mp[A].first;
		int v=mp[A].second;
		int ret=ask(v);
		CAN B;B.reset();
		for(int i=0;i<H*W*6;i++)if(A.test(i)&&dist[i][v]==ret)B.set(i);
		A=B;
		t--;
	}
}
int main()
{
	ios::sync_with_stdio(false);
	cin.tie(nullptr);
	for(int i=0;i<H*W*6;i++)
	{
		auto[r,c,k]=rck(i);
		int TO[H*W];
		for(int j=0;j<H*W;j++)TO[j]=1e9;
		TO[r*W+c]=0;
		if(k==2)
		{//rook
			for(int tr=0;tr<H;tr++)for(int tc=0;tc<W;tc++)
			{
				int v=tr*W+tc;
				TO[v]=2;
				if(tr==r)TO[v]--;
				if(tc==c)TO[v]--;
			}
		}
		else
		{
			queue<int>Q;Q.push(r*W+c);
			while(!Q.empty())
			{
				int t=Q.front();Q.pop();
				int r=t/W,c=t%W;
				if(k==0)
				{//king
					const int dx[4]={1,-1,0,0};
					const int dy[4]={0,0,1,-1};
					for(int j=0;j<4;j++)
					{
						int tr=r+dx[j],tc=c+dy[j];
						if(tr>=0&&tc>=0&&tr<H&&tc<W&&TO[tr*W+tc]>TO[t]+1)
						{
							TO[tr*W+tc]=TO[t]+1;
							Q.push(tr*W+tc);
						}
					}
				}
				else if(k==1)
				{//mandarin
					const int dx[4]={1,1,-1,-1};
					const int dy[4]={1,-1,1,-1};
					for(int j=0;j<4;j++)
					{
						int tr=r+dx[j],tc=c+dy[j];
						if(tr>=0&&tc>=0&&tr<H&&tc<W&&TO[tr*W+tc]>TO[t]+1)
						{
							TO[tr*W+tc]=TO[t]+1;
							Q.push(tr*W+tc);
						}
					}
				}
				else if(k==3)
				{//knight
					const int dx[8]={2,2,-2,-2,1,1,-1,-1};
					const int dy[8]={1,-1,1,-1,2,-2,2,-2};
					for(int j=0;j<8;j++)
					{
						int tr=r+dx[j],tc=c+dy[j];
						if(tr>=0&&tc>=0&&tr<H&&tc<W&&TO[tr*W+tc]>TO[t]+1)
						{
							TO[tr*W+tc]=TO[t]+1;
							Q.push(tr*W+tc);
						}
					}
				}
				else if(k==4)
				{//bishop
					const int dx[4]={2,2,-2,-2};
					const int dy[4]={2,-2,2,-2};
					for(int j=0;j<4;j++)
					{
						int tr=r+dx[j],tc=c+dy[j];
						if(tr>=0&&tc>=0&&tr<H&&tc<W&&TO[tr*W+tc]>TO[t]+1)
						{
							TO[tr*W+tc]=TO[t]+1;
							Q.push(tr*W+tc);
						}
					}
				}
				else if(k==5)
				{//pawn
					{
						int tr=r+1,tc=c;
						if(tr>=0&&tc>=0&&tr<H&&tc<W&&TO[tr*W+tc]>TO[t]+1)
						{
							TO[tr*W+tc]=TO[t]+1;
							Q.push(tr*W+tc);
						}
					}
					if(r>4)
					{
						for(int tc:{c+1,c-1})
						{
							int tr=r;
							if(tr>=0&&tc>=0&&tr<H&&tc<W&&TO[tr*W+tc]>TO[t]+1)
							{
								TO[tr*W+tc]=TO[t]+1;
								Q.push(tr*W+tc);
							}
						}
					}
				}
				else assert(false);
			}
		}
		for(int j=0;j<H*W;j++)dist[i][j]=TO[j]==(int)1e9?-1:TO[j];
	}
	if(debug)
	{
		mt19937 rng(114514);
		{
			vector<int>A;
			for(int i=0;i<90;i++)if(rng()%1==0)A.push_back(i);
			assert(!A.empty());
			ANSWER=A[rng()%A.size()]*6+rng()%6;
			solve(A);
		}
		return 0;
	}
	int N;cin>>N;
	vector<int>A(N);
	for(int i=0;i<N;i++)
	{
		int r,c;cin>>r>>c;
		A[i]=r*W+c;
	}
	solve(A);
}

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: 2ms
memory: 3792kb

input:

1
9 0
8

output:

1
? 1 8
! S

result:

ok number is guessed.

Test #2:

score: 0
Accepted
time: 3ms
memory: 3892kb

input:

4
2 1
2 3
2 5
2 7
12
9

output:

2
? 7 0
? 0 0
! J

result:

ok number is guessed.

Test #3:

score: 0
Accepted
time: 2ms
memory: 3932kb

input:

1
2 4
-1
1

output:

2
? 0 0
? 0 2
! X

result:

ok number is guessed.

Test #4:

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

input:

1
5 0
6

output:

1
? 3 6
! S

result:

ok number is guessed.

Test #5:

score: 0
Accepted
time: 2ms
memory: 4092kb

input:

1
6 0
6

output:

1
? 0 2
! S

result:

ok number is guessed.

Test #6:

score: 0
Accepted
time: 2ms
memory: 4184kb

input:

2
7 7
1 0
5
14

output:

2
? 7 2
? 0 0
! J

result:

ok number is guessed.

Test #7:

score: 0
Accepted
time: 4ms
memory: 4256kb

input:

5
8 6
1 3
0 5
2 4
0 2
10
2

output:

2
? 9 3
? 0 0
! J

result:

ok number is guessed.

Test #8:

score: 0
Accepted
time: 4ms
memory: 4052kb

input:

6
0 7
1 6
2 8
0 5
7 6
8 2
14
-1

output:

2
? 8 1
? 0 0
! B

result:

ok number is guessed.

Test #9:

score: 0
Accepted
time: 4ms
memory: 4024kb

input:

7
6 5
3 0
3 2
4 1
4 0
2 4
5 2
11
4

output:

2
? 7 8
? 0 0
! J

result:

ok number is guessed.

Test #10:

score: 0
Accepted
time: 5ms
memory: 4068kb

input:

8
3 3
2 5
6 2
7 4
1 4
3 0
2 4
3 4
6
4

output:

2
? 7 4
? 0 1
! J

result:

ok number is guessed.

Test #11:

score: 0
Accepted
time: 6ms
memory: 4076kb

input:

9
2 7
2 4
2 5
2 2
2 1
2 0
2 6
2 3
2 8
11
9

output:

2
? 8 2
? 0 0
! J

result:

ok number is guessed.

Test #12:

score: 0
Accepted
time: 0ms
memory: 4164kb

input:

10
4 0
0 0
5 0
7 0
8 0
1 0
6 0
9 0
2 0
3 0
9
-1

output:

2
? 9 0
? 0 1
! B

result:

ok number is guessed.

Test #13:

score: 0
Accepted
time: 5ms
memory: 4136kb

input:

9
1 8
1 2
1 5
1 6
1 3
1 4
1 0
1 1
1 7
11
8

output:

2
? 7 2
? 0 0
! J

result:

ok number is guessed.

Test #14:

score: 0
Accepted
time: 6ms
memory: 4104kb

input:

10
0 4
5 4
8 4
2 4
4 4
7 4
3 4
9 4
6 4
1 4
11
5

output:

2
? 9 1
? 0 0
! J

result:

ok number is guessed.

Test #15:

score: 0
Accepted
time: 5ms
memory: 4376kb

input:

9
4 6
4 5
4 7
4 4
4 1
4 3
4 0
4 8
4 2
11
12

output:

2
? 8 1
? 0 0
! J

result:

ok number is guessed.

Test #16:

score: 0
Accepted
time: 5ms
memory: 4084kb

input:

10
9 2
5 2
1 2
8 2
6 2
7 2
2 2
0 2
4 2
3 2
9
-1

output:

2
? 9 2
? 0 0
! B

result:

ok number is guessed.

Test #17:

score: 0
Accepted
time: 5ms
memory: 4076kb

input:

9
3 1
3 7
3 5
3 3
3 6
3 4
3 0
3 2
3 8
11
10

output:

2
? 9 2
? 0 0
! J

result:

ok number is guessed.

Test #18:

score: 0
Accepted
time: 4ms
memory: 4180kb

input:

10
5 1
8 1
6 1
4 1
3 1
0 1
2 1
7 1
9 1
1 1
9
-1

output:

2
? 9 1
? 0 0
! B

result:

ok number is guessed.

Test #19:

score: 0
Accepted
time: 5ms
memory: 4392kb

input:

9
1 6
1 4
1 3
1 7
1 8
1 5
1 2
1 1
1 0
11
8

output:

2
? 7 2
? 0 0
! J

result:

ok number is guessed.

Test #20:

score: 0
Accepted
time: 2ms
memory: 4388kb

input:

10
5 0
9 0
1 0
2 0
3 0
6 0
7 0
4 0
0 0
8 0
9
-1

output:

2
? 9 0
? 0 1
! B

result:

ok number is guessed.

Test #21:

score: 0
Accepted
time: 2ms
memory: 4340kb

input:

9
0 3
0 5
0 7
0 0
0 4
0 8
0 1
0 6
0 2
11
7

output:

2
? 6 2
? 0 0
! J

result:

ok number is guessed.

Test #22:

score: 0
Accepted
time: 4ms
memory: 4384kb

input:

10
1 0
9 0
4 0
2 0
8 0
7 0
5 0
3 0
0 0
6 0
9
-1

output:

2
? 9 0
? 0 1
! B

result:

ok number is guessed.

Test #23:

score: 0
Accepted
time: 5ms
memory: 4072kb

input:

9
1 8
1 2
1 7
1 0
1 4
1 6
1 1
1 5
1 3
11
8

output:

2
? 7 2
? 0 0
! J

result:

ok number is guessed.

Test #24:

score: 0
Accepted
time: 6ms
memory: 4100kb

input:

10
2 4
1 4
0 4
6 4
4 4
9 4
5 4
3 4
7 4
8 4
11
5

output:

2
? 9 1
? 0 0
! J

result:

ok number is guessed.

Test #25:

score: 0
Accepted
time: 5ms
memory: 4392kb

input:

9
0 2
0 7
0 5
0 4
0 0
0 3
0 1
0 6
0 8
11
7

output:

2
? 6 2
? 0 0
! J

result:

ok number is guessed.

Test #26:

score: 0
Accepted
time: 6ms
memory: 4060kb

input:

10
5 3
2 3
3 3
8 3
9 3
1 3
6 3
7 3
0 3
4 3
11
4

output:

2
? 9 0
? 0 0
! J

result:

ok number is guessed.

Test #27:

score: 0
Accepted
time: 331ms
memory: 5296kb

input:

50
7 5
9 2
0 4
9 3
8 4
8 2
7 2
6 4
4 4
0 0
1 7
1 1
1 5
2 0
9 8
9 0
3 1
7 8
8 6
5 0
7 3
8 5
2 6
4 8
3 5
6 8
0 8
5 7
4 6
1 6
3 8
5 6
3 0
5 3
0 7
5 1
3 4
0 1
7 6
2 3
4 3
5 5
8 1
0 3
6 5
9 5
5 8
7 4
6 3
2 7
4
-1
3

output:

3
? 9 3
? 2 6
? 7 5
! X

result:

ok number is guessed.

Test #28:

score: 0
Accepted
time: 334ms
memory: 5020kb

input:

49
4 2
8 0
2 4
9 5
8 1
7 8
0 2
4 7
3 0
1 3
6 6
0 8
8 3
5 8
2 2
1 0
6 0
2 6
0 5
9 2
7 0
4 4
8 8
9 6
5 0
6 8
9 4
7 6
9 0
2 7
4 6
7 7
0 1
4 0
6 7
2 8
8 2
3 2
3 1
3 4
5 4
7 3
5 6
5 2
1 8
3 3
1 7
0 3
4 3
3
6
5

output:

3
? 9 0
? 0 0
? 0 1
! M

result:

ok number is guessed.

Test #29:

score: 0
Accepted
time: 352ms
memory: 5044kb

input:

48
6 7
3 5
0 3
5 7
1 6
9 6
6 2
0 7
5 5
0 4
0 5
0 8
6 4
4 2
8 5
1 2
1 3
8 1
2 7
0 2
2 6
7 1
6 5
0 1
3 7
6 8
7 4
3 3
5 4
5 1
4 4
8 8
7 5
0 0
1 0
7 6
7 7
3 0
7 8
4 0
9 2
9 7
6 6
2 1
6 1
5 2
5 6
4 1
3
-1
7

output:

3
? 9 2
? 2 6
? 1 2
! S

result:

ok number is guessed.

Test #30:

score: 0
Accepted
time: 314ms
memory: 5040kb

input:

51
0 8
1 6
5 3
2 6
9 0
4 0
8 1
0 7
1 0
2 4
8 4
3 6
7 1
8 6
9 7
0 6
5 4
3 2
6 6
7 7
6 1
5 0
4 5
4 8
6 8
3 5
5 8
5 5
8 7
9 6
6 0
3 3
2 3
3 1
2 8
4 4
6 4
1 7
7 2
8 0
3 0
8 8
3 7
1 3
5 6
7 4
6 5
2 7
1 1
7 6
3 8
3
-1
6

output:

3
? 9 3
? 0 0
? 9 0
! B

result:

ok number is guessed.

Test #31:

score: 0
Accepted
time: 347ms
memory: 5060kb

input:

52
1 6
3 8
0 6
9 2
6 4
5 4
2 1
1 0
4 2
2 2
3 2
9 6
7 1
0 2
8 7
1 4
3 1
8 0
3 0
5 8
1 5
7 4
5 7
5 1
6 8
1 2
9 0
6 5
0 4
4 0
5 5
5 0
2 6
6 2
8 5
7 0
0 7
5 3
9 3
0 1
3 5
8 1
4 5
4 6
7 5
8 3
7 8
7 2
3 3
2 5
8 8
2 8
3
-1
4

output:

3
? 9 2
? 3 7
? 7 0
! X

result:

ok number is guessed.

Test #32:

score: 0
Accepted
time: 700ms
memory: 5528kb

input:

89
3 1
7 3
3 0
3 5
0 0
1 3
1 1
3 3
8 8
7 7
2 4
7 0
9 3
2 0
3 7
6 6
7 2
7 1
4 4
2 8
1 2
9 4
9 2
3 8
9 5
6 5
3 4
8 0
2 1
0 4
4 2
1 5
4 7
4 3
7 8
5 6
0 8
0 2
8 7
9 0
5 8
9 8
5 4
0 6
0 5
5 5
7 6
5 0
6 0
6 1
1 0
5 2
8 6
7 5
4 5
9 1
1 4
8 4
4 8
4 6
9 7
1 6
5 3
8 5
9 6
3 6
0 1
6 8
1 8
1 7
4 0
0 3
6 7
0 7
2...

output:

3
? 9 0
? 2 4
? 1 0
! S

result:

ok number is guessed.

Test #33:

score: 0
Accepted
time: 679ms
memory: 5560kb

input:

89
7 4
2 6
9 2
0 1
0 4
8 0
6 5
4 1
7 5
0 2
5 3
1 0
9 5
2 7
7 7
7 1
2 1
8 8
0 0
1 1
9 3
3 0
4 7
5 5
6 8
8 3
0 3
7 2
8 5
0 8
4 6
0 6
6 0
8 6
8 4
2 8
3 8
9 7
1 7
5 6
8 2
7 6
5 1
1 5
2 2
6 3
2 4
9 6
4 3
4 4
4 5
5 7
3 3
4 0
9 1
6 7
9 4
1 3
3 1
6 4
1 4
0 7
9 0
1 2
0 5
6 1
7 3
8 1
9 8
2 3
3 5
2 5
5 0
8 7
7...

output:

3
? 9 0
? 2 4
? 1 0
! S

result:

ok number is guessed.

Test #34:

score: 0
Accepted
time: 699ms
memory: 5824kb

input:

89
2 2
5 3
0 1
6 1
3 7
8 5
0 3
0 8
7 1
9 4
9 7
6 3
2 1
5 6
1 6
9 0
5 5
6 7
2 4
7 4
9 5
6 5
8 3
0 0
2 3
7 3
6 8
8 8
3 3
2 5
6 4
5 2
5 0
5 1
3 1
1 4
5 8
9 8
1 8
2 6
4 0
2 0
3 4
1 3
2 8
3 2
4 4
3 0
6 0
0 5
9 1
4 7
4 2
3 6
4 8
6 2
1 5
1 7
7 8
4 6
7 0
0 4
6 6
2 7
9 3
8 0
5 7
8 6
7 7
9 2
9 6
8 7
8 4
3 5
4...

output:

3
? 9 0
? 2 4
? 1 0
! S

result:

ok number is guessed.

Test #35:

score: 0
Accepted
time: 678ms
memory: 5572kb

input:

89
3 3
4 4
8 2
7 8
4 7
7 6
1 5
5 4
9 5
3 8
6 2
0 1
3 0
1 6
0 7
3 4
4 8
8 1
4 6
5 5
4 0
4 5
2 3
7 3
7 2
1 1
9 8
4 3
3 7
5 8
1 8
1 0
4 1
5 2
2 4
0 6
8 8
6 1
9 0
2 6
3 6
1 7
6 3
8 0
1 3
2 0
6 0
8 6
8 5
7 5
9 2
9 1
3 1
9 6
3 2
5 7
0 3
6 6
0 4
6 4
5 3
5 0
2 8
7 4
0 2
2 2
2 1
6 8
2 5
7 1
8 3
0 8
0 0
9 3
7...

output:

3
? 9 0
? 2 4
? 1 0
! S

result:

ok number is guessed.

Test #36:

score: 0
Accepted
time: 659ms
memory: 5528kb

input:

89
5 0
7 0
0 2
0 7
1 5
3 6
2 6
7 8
6 5
5 5
8 2
6 0
1 4
4 7
4 4
6 3
9 4
8 3
0 4
2 3
4 6
3 3
6 7
6 6
3 0
1 6
6 8
8 6
7 5
1 2
2 8
6 4
6 1
1 8
0 1
2 1
3 4
0 6
0 0
4 3
1 3
3 1
8 4
5 4
3 5
7 3
6 2
9 3
2 2
8 7
5 8
9 0
9 1
9 5
4 1
2 7
9 7
4 8
7 2
7 7
5 3
4 5
5 1
5 7
7 6
3 8
7 4
2 5
9 2
4 2
1 1
1 7
4 0
9 8
7...

output:

3
? 9 0
? 2 4
? 1 0
! S

result:

ok number is guessed.

Test #37:

score: 0
Accepted
time: 684ms
memory: 5596kb

input:

90
9 6
6 2
8 8
6 4
9 2
4 1
3 6
2 7
8 6
6 0
9 8
3 2
7 5
5 7
1 6
5 3
5 0
8 4
2 4
2 0
0 4
4 5
1 3
4 4
4 3
7 8
6 8
3 5
0 5
5 2
8 0
7 0
5 6
9 7
3 0
1 2
1 4
3 8
6 3
3 3
4 2
9 5
7 4
7 3
3 1
0 6
2 2
5 1
3 7
4 8
0 3
9 4
1 7
2 8
1 0
9 3
0 7
0 2
4 7
0 0
7 6
3 4
6 1
7 7
2 6
8 3
8 1
4 0
5 5
1 8
5 4
4 6
1 5
9 0
2...

output:

3
? 9 0
? 2 4
? 1 0
! S

result:

ok number is guessed.

Test #38:

score: 0
Accepted
time: 701ms
memory: 5568kb

input:

90
9 6
7 3
8 7
1 2
9 4
6 5
9 7
0 5
0 3
5 8
0 0
1 6
1 3
8 8
9 3
4 3
7 8
3 7
3 5
8 5
5 7
1 0
5 4
5 2
0 1
9 0
6 8
6 4
3 4
1 1
4 4
9 2
6 2
0 4
8 0
2 2
1 4
0 6
4 7
3 0
7 5
2 7
8 6
5 0
4 6
2 3
7 7
9 1
2 5
9 5
7 0
5 3
4 5
3 3
4 0
8 4
7 2
3 1
0 8
5 5
2 8
7 4
8 3
0 2
0 7
1 5
7 1
2 1
3 6
9 8
5 1
7 6
2 6
1 7
4...

output:

3
? 9 0
? 2 4
? 1 0
! S

result:

ok number is guessed.

Test #39:

score: 0
Accepted
time: 676ms
memory: 5836kb

input:

90
5 7
7 2
6 6
2 4
1 5
0 3
9 8
5 0
4 1
3 1
5 6
8 5
4 0
4 6
3 3
1 2
7 0
4 2
0 4
4 5
0 1
8 8
8 6
9 3
7 5
5 2
6 8
8 2
6 2
4 7
3 5
2 0
0 5
8 4
8 3
2 2
6 3
9 5
4 8
1 4
4 4
6 7
2 8
1 7
0 0
6 5
9 1
1 3
9 4
9 0
7 3
7 7
9 2
1 0
6 4
2 7
2 5
6 1
3 4
0 7
5 8
2 6
0 8
3 8
7 1
4 3
3 0
3 2
8 1
8 7
9 6
2 1
9 7
1 1
0...

output:

3
? 9 0
? 2 4
? 1 0
! S

result:

ok number is guessed.

Test #40:

score: 0
Accepted
time: 677ms
memory: 5596kb

input:

90
7 6
4 2
9 4
7 1
0 7
7 3
0 2
6 2
6 3
3 4
2 7
4 4
8 5
4 3
3 2
6 7
1 8
1 0
3 8
0 4
4 5
8 0
5 8
0 6
1 6
8 4
6 8
8 6
6 6
4 0
8 1
6 1
2 4
7 5
8 2
9 6
0 0
7 8
4 7
5 1
7 4
2 1
8 3
6 5
2 5
5 4
1 1
3 0
3 5
5 7
9 1
1 5
9 7
9 8
0 3
7 0
0 1
2 8
5 3
6 0
9 0
4 6
4 1
4 8
2 2
5 2
3 7
1 2
3 3
1 3
9 2
7 7
5 6
2 3
0...

output:

3
? 9 0
? 2 4
? 1 0
! S

result:

ok number is guessed.

Test #41:

score: 0
Accepted
time: 675ms
memory: 5764kb

input:

90
2 0
5 6
9 0
7 3
4 7
9 3
2 8
3 5
7 6
6 1
0 7
0 8
4 6
2 2
8 3
2 6
7 4
9 6
2 1
6 2
4 1
7 0
0 0
1 7
6 5
1 1
6 8
2 3
6 0
9 7
1 2
2 7
3 3
5 4
3 6
1 6
0 3
0 5
4 3
6 3
2 4
1 3
7 7
8 1
6 7
3 1
9 4
8 7
9 1
3 2
4 8
9 2
1 4
4 0
8 5
6 4
8 0
0 2
3 0
1 0
6 6
8 6
9 5
5 2
4 2
2 5
7 1
5 8
5 3
8 8
3 8
5 0
7 5
5 1
1...

output:

3
? 9 0
? 2 4
? 1 0
! S

result:

ok number is guessed.

Test #42:

score: 0
Accepted
time: 682ms
memory: 5836kb

input:

90
6 6
3 6
3 1
3 8
9 5
7 0
7 6
2 6
8 4
4 6
8 0
6 2
7 3
9 2
8 3
7 1
1 8
1 1
3 4
2 4
6 4
0 1
0 8
5 2
0 6
1 7
4 0
2 7
2 0
3 7
8 6
1 0
7 2
5 0
0 0
1 3
1 6
3 3
5 1
8 5
0 5
4 3
5 5
4 1
2 1
1 4
3 2
2 3
4 7
0 2
2 8
5 3
9 1
5 4
6 3
6 8
5 7
9 8
4 5
0 3
5 6
7 7
9 7
7 5
3 5
6 7
5 8
1 2
4 2
7 8
8 1
8 8
6 5
9 0
4...

output:

3
? 9 0
? 2 4
? 1 0
! S

result:

ok number is guessed.

Test #43:

score: 0
Accepted
time: 678ms
memory: 5604kb

input:

90
5 4
6 7
7 6
8 5
1 0
5 8
0 7
4 2
9 3
8 1
3 0
7 3
0 4
1 4
7 8
8 8
9 0
1 3
3 7
6 3
3 2
2 7
2 3
5 7
6 2
5 2
3 5
2 1
1 1
0 8
8 2
0 2
6 6
9 4
7 0
3 3
2 8
2 4
3 1
9 7
1 5
5 3
2 5
5 0
9 6
8 0
9 8
7 5
6 1
1 2
9 1
6 5
1 8
4 3
3 8
6 8
0 3
4 5
1 7
6 0
4 1
0 1
5 1
8 4
8 6
7 7
3 4
4 4
6 4
4 8
3 6
4 6
4 0
2 6
2...

output:

3
? 9 0
? 2 4
? 1 0
! S

result:

ok number is guessed.

Test #44:

score: 0
Accepted
time: 675ms
memory: 5512kb

input:

90
4 7
2 0
6 2
9 8
2 1
1 2
0 6
3 6
1 1
9 6
7 4
9 2
7 2
0 8
2 8
2 4
4 6
6 0
7 8
9 7
4 5
1 7
6 4
0 4
3 3
3 5
5 8
9 0
5 3
4 2
4 0
5 1
8 5
3 0
0 0
5 2
9 5
8 2
8 8
0 1
5 7
3 1
1 5
6 1
5 6
8 1
0 2
3 8
4 4
6 5
0 7
2 6
7 7
3 2
6 8
9 1
5 0
6 6
0 3
3 4
6 3
7 6
4 3
5 5
0 5
4 1
1 8
9 3
2 3
5 4
8 6
2 7
3 7
4 8
9...

output:

3
? 9 0
? 2 4
? 1 0
! S

result:

ok number is guessed.

Test #45:

score: 0
Accepted
time: 688ms
memory: 5764kb

input:

90
2 1
6 0
4 3
6 7
3 5
1 4
4 1
2 3
3 6
2 5
7 5
3 2
2 7
5 5
5 3
1 7
0 3
7 1
8 2
5 8
2 4
6 1
8 7
7 2
9 5
0 5
3 1
0 6
3 3
6 6
9 8
9 4
8 0
8 4
5 1
7 8
2 0
5 2
4 4
7 0
1 5
2 2
8 3
1 6
3 7
1 0
1 2
0 1
5 6
3 4
8 6
9 0
6 4
9 1
1 1
7 4
7 7
8 1
5 7
0 4
3 8
1 3
8 8
4 0
4 8
6 3
4 2
6 2
4 7
7 6
0 2
2 8
2 6
0 7
5...

output:

3
? 9 0
? 2 4
? 1 0
! S

result:

ok number is guessed.

Test #46:

score: 0
Accepted
time: 670ms
memory: 5532kb

input:

90
0 3
1 3
4 0
9 0
4 6
8 6
6 6
0 8
0 2
7 2
7 1
3 8
1 7
7 6
5 4
9 6
2 1
2 3
6 4
3 7
8 7
0 6
8 2
3 1
4 2
5 1
7 8
6 7
2 8
2 4
6 0
5 5
3 6
9 5
9 3
2 2
8 0
1 2
2 5
8 3
0 5
0 4
4 4
3 4
0 0
6 5
4 7
8 1
1 0
9 1
0 1
5 0
8 5
0 7
6 1
6 8
7 3
8 8
9 7
9 2
1 6
2 7
1 1
6 2
4 8
1 8
5 6
7 5
2 6
7 4
9 4
5 7
1 4
6 3
3...

output:

3
? 9 0
? 2 4
? 1 0
! S

result:

ok number is guessed.

Extra Test:

score: 0
Extra Test Passed