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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#705178#9537. Chinese Chessucup-team134#RE 33ms4280kbC++173.7kb2024-11-02 22:25:322024-11-02 22:25:33

Judging History

你现在查看的是最新测评结果

  • [2024-11-02 22:25:33]
  • 评测
  • 测评结果:RE
  • 用时:33ms
  • 内存:4280kb
  • [2024-11-02 22:25:32]
  • 提交

answer

#include <bits/stdc++.h>

#define ll long long
#define pb push_back
#define f first
#define s second
#define sz(x) (int)(x).size()
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
#define ios ios_base::sync_with_stdio(false);cin.tie(NULL)
#define ld long double
#define li __int128

using namespace std;

mt19937 rng(time(NULL));

const int N=90;
int dist[N][N][6];
string tp="JSCMXB";
vector<pair<int,int>> gt2(int x,int y,int k){
	if(k==0){
		return {{x+1,y},{x-1,y},{x,y+1},{x,y-1}};
	}
	if(k==1){
		return {{x+1,y+1},{x+1,y-1},{x-1,y+1},{x-1,y-1}};
	}
	if(k==2){
		vector<pair<int,int>> a;
		for(int X=0;X<10;X++){
			if(X!=x)a.pb({X,y});
		}
		for(int Y=0;Y<9;Y++){
			if(Y!=y)a.pb({x,Y});
		}
		return a;
	}
	if(k==3){
		return {{x+2,y+1},{x+2,y-1},{x-2,y+1},{x-2,y-1},{x+1,y+2},{x+1,y-2},{x-1,y+2},{x-1,y-2}};
	}
	if(k==4){
		return {{x+2,y+2},{x+2,y-2},{x-2,y+2},{x-2,y-2}};
	}
	if(k==5){
		if(x<4)return {{x+1,y}};
		return {{x+1,y},{x,y-1},{x,y+1}};
	}
	assert(0);
	return {};
}
vector<pair<int,int>> gt(int x,int y,int k){
	auto a=gt2(x,y,k);
	vector<pair<int,int>> ans;
	for(auto p:a){
		if(p.f>=0&&p.f<10&&p.s>=0&&p.s<9)ans.pb(p);
	}
	return ans;
}
vector<pair<int,int>> pr(vector<pair<int,int>> &tr,int sq,int ds){
	vector<pair<int,int>> ans;
	for(auto p:tr){
		if(dist[p.f][sq][p.s]==ds){
			ans.pb(p);
		}
	}
	return ans;
}
pair<int,int> calc(vector<pair<int,int>> opt,int bound){
	bool sameType=1;
	for(int i=1;i<sz(opt);i++){
		if(opt[i].s!=opt[i-1].s)sameType=0;
	}
	if(sameType){
		return {0,opt[0].s};
	}
	if(bound==0)return {1,-1};
	//printf("Doing %i %i\n",sz(opt),bound);
	vector<pair<int,int>> ord;
	vector<vector<pair<int,int>>> opts(N+1);
	for(int sq=0;sq<N;sq++){
		int mxs=0;
		for(int i=0;i<=N;i++)opts[i].clear();
		for(auto p:opt){
			int dd=dist[p.f][sq][p.s];
			opts[dd+1].pb(p);
		}
		for(int i=0;i<=N;i++){
			if(sz(opts[i])){
				mxs=max(mxs,sz(opts[i]));
			}
		}
		ord.pb({mxs,sq});
	}
	int ans=bound;
	sort(all(ord));
	int gde=-1;
	for(auto d:ord){
		//printf("trying: %i %i\n",d.f,d.s);
		int sq=d.s;
		for(int i=0;i<=N;i++)opts[i].clear();
		for(auto p:opt){
			int dd=dist[p.f][sq][p.s];
			opts[dd+1].pb(p);
		}
		int myans=0;
		for(int i=0;i<=N;i++){
			if(sz(opts[i])){
				myans=max(myans,calc(opts[i],ans-1).f);
				if(myans>=ans)break;
			}
		}
		myans++;
		//printf("Found %i!\n",myans);
		if(myans<ans){
			ans=myans;
			gde=sq;
		}
		if(myans==3)break;
	}
	return {ans,gde};
}
int main()
{
	for(int i=0;i<N;i++){
		int x=i/9,y=i%9;
		for(int k=0;k<6;k++){
			for(int j=0;j<N;j++){
				dist[i][j][k]=-1;
			}
			queue<pair<int,int>> q;
			q.push({x,y});
			dist[i][i][k]=0;
			while(sz(q)){
				int xx=q.front().f,yy=q.front().s;
				q.pop();
				for(auto p:gt(xx,yy,k)){
					int o=p.f*9+p.s;
					if(dist[i][o][k]==-1){
						dist[i][o][k]=dist[i][xx*9+yy][k]+1;
						q.push(p);
					}
				}
			}
			/*if(i==81){
				printf("%i: %i\n",k,dist[i][3*9+6][k]);
			}*/
		}
	}
	int n;
	scanf("%i",&n);
	//n=90;
	vector<pair<int,int>> opt;
	for(int i=0;i<n;i++){
		int x,y;
		scanf("%i %i",&x,&y);
		//x=i/9;
		//y=i%9;
		for(int k=0;k<6;k++){
			opt.pb({x*9+y,k});
		}
	}
	bool first=1;
	int bound=4;
	while(1){
		pair<int,int> tt=calc(opt,bound+1);
		if(first){
			printf("%i\n",tt.f);
			fflush(stdout);
			first=0;
		}
		if(tt.f==0){
			printf("! %c\n",tp[tt.s]);
			fflush(stdout);
			break;
		}
		printf("? %i %i\n",tt.s/9,tt.s%9);
		fflush(stdout);
		/*{
			for(auto p:opt){
				printf("%i %i: %i\n",p.f,p.s,dist[p.f][tt.s][p.s]);
			}
		}*/
		int ds;
		cin >> ds;
		opt=pr(opt,tt.s,ds);
		bound=tt.f-1;
	}
	return 0;
}

Details

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Test #1:

score: 100
Accepted
time: 7ms
memory: 4056kb

input:

1
9 0
8

output:

1
? 1 8
! S

result:

ok number is guessed.

Test #2:

score: 0
Accepted
time: 15ms
memory: 4064kb

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: 12ms
memory: 4036kb

input:

1
2 4
-1
1

output:

2
? 0 0
? 0 2
! X

result:

ok number is guessed.

Test #4:

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

input:

1
5 0
6

output:

1
? 3 6
! S

result:

ok number is guessed.

Test #5:

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

input:

1
6 0
6

output:

1
? 0 2
! S

result:

ok number is guessed.

Test #6:

score: 0
Accepted
time: 14ms
memory: 4280kb

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: 23ms
memory: 3992kb

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: 25ms
memory: 4136kb

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: 27ms
memory: 4016kb

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: 26ms
memory: 4060kb

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: 28ms
memory: 4044kb

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: 30ms
memory: 4040kb

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: 33ms
memory: 4072kb

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: -100
Runtime Error

input:

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

output:

3
? 9 4

result: