QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#224026#7179. Fischer's Chess Guessing GamewxhtzdyTL 54ms7656kbC++232.4kb2023-10-22 23:09:092023-10-22 23:09:10

Judging History

你现在查看的是最新测评结果

  • [2023-10-22 23:09:10]
  • 评测
  • 测评结果:TL
  • 用时:54ms
  • 内存:7656kb
  • [2023-10-22 23:09:09]
  • 提交

answer

#include<bits/stdc++.h>

#define pb push_back
#define fi first
#define se second
#define mp make_pair

using namespace std;

typedef long long ll;
typedef unsigned long long ull;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
typedef long double ld;

template <typename T> bool chkmin(T &x,T y){return x>y?x=y,1:0;}
template <typename T> bool chkmax(T &x,T y){return x<y?x=y,1:0;}

int readint(){
	int x=0,f=1; char ch=getchar();
	while(ch<'0'||ch>'9'){if(ch=='-')f=-1;ch=getchar();}
	while(ch>='0'&&ch<='9'){x=x*10+ch-'0';ch=getchar();}
	return x*f;
}

int id,root,ncnt,ch[1000005][9],qq[1000005],ans[1000005];
string str[1005];

map<string,bool> val;
//map<int,string> str;

bool is_good(vector<char> f){
	int cnt=0;
	for(int i=0;i<f.size();i++){
		if(f[i]=='R') cnt++;
		if(f[i]=='K') if(cnt!=1) return false;
	}
	int s=0;
	for(int i=0;i<f.size();i++){
		if(f[i]=='B') s+=(i%2);
	}
	if(s!=1) return false;
	return true;
}

int solve(int x,int y){
	string a=str[x],b=str[y];
	int ret=0;
	for(int i=0;i<8;i++) ret+=(a[i]==b[i]?1:0);
	return ret;
}

void gen_vals(){
	vector<char> f;
	f.pb('K');
	f.pb('Q');
	f.pb('R');
	f.pb('R');
	f.pb('B');
	f.pb('B');
	f.pb('N');
	f.pb('N');
	vector<int> perm(8);
	for(int i=0;i<8;i++) perm[i]=i;
	do{
		vector<char> ff;
		for(int i=0;i<8;i++) ff.pb(f[perm[i]]);
		if(!is_good(ff)) continue;
		string s="";
		for(char c:ff) s+=c;
		if(!val[s]){
			val[s]=true;
			str[++id]=s;
		}
	} while(next_permutation(perm.begin(),perm.end()));
}

void dfs(int&nd,vector<int> v,int dep){
	if(v.empty()) return;
	assert(dep<=5);
	nd=++ncnt;
	assert(nd<=500000);
	if(v.size()==1){
		ans[nd]=v[0];
		return;
	}
	int bst=1e9;
	for(int query=1;query<=id;query++){
		vector<int> cnt(9,0);
		for(int i:v) cnt[solve(query,i)]++;
		int mx=*max_element(cnt.begin(),cnt.end());
		if(bst>mx) bst=mx,qq[nd]=query;
	}
	vector<vector<int>> gr(9);
	for(int i:v) gr[solve(qq[nd],i)].pb(i);
	for(int i=0;i<=8;i++) dfs(ch[nd][i],gr[i],dep+1);
}

int prnt(string s){
	cout<<s<<endl;
	int x=0;
	cin>>x;
	return x;
}

void go(int nd){
	if(ans[nd]!=0){
		int f=prnt(str[ans[nd]]);
		return;
	}
	int f=prnt(str[qq[nd]]);
	go(ch[nd][f]);
}

int main(){
	gen_vals();
	vector<int> vec;
	for(int i=1;i<=id;i++) vec.pb(i);
	dfs(root,vec,0);
	while(true){
		string s;
		cin>>s;
		if(s[0]=='E') break;
		if(s[0]=='G') cin>>s;
		go(root);
	}
	return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 54ms
memory: 7656kb

input:

GAME 1
4
3
3
2
8
END

output:

RQKBBNRN
RQKNBRNB
RKQNBNRB
QRKRBNNB
RKRBBQNN

result:

ok (c) correct after 1 tests, max moves 5 (1 test case)

Test #2:

score: -100
Time Limit Exceeded

input:

GAME 1
4
3
3
2
8
GAME 2
5
5
5
8
GAME 3
4
3
4
2
8
GAME 4
4
1
3
1
8
GAME 5
3
1
3
1
3
8
GAME 6
3
1
2
4
0
8
GAME 7
3
2
0
4
2
8
GAME 8
3
1
6
3
8
GAME 9
2
2
1
3
3
8
GAME 10
3
2
1
3
2
8
GAME 11
2
3
3
3
0
8
GAME 12
3
1
4
3
8
GAME 13
2
0
5
4
8
GAME 14
2
0
3
2
2
8
GAME 15
1
3
3
3
1
8
GAME 16
2
0
6
2
8
GAME 17...

output:

RQKBBNRN
RQKNBRNB
RKQNBNRB
QRKRBNNB
RKRBBQNN
RQKBBNRN
RKNRBNQB
RKNBBQRN
RKRBBNQN
RQKBBNRN
RQKNBRNB
RKQNBNRB
QRKRBBNN
RKRBBNNQ
RQKBBNRN
RQKNBRNB
RKBQRNNB
QRBNKNRB
RKRBQNBN
RQKBBNRN
NRQBBKNR
RKNRBBQN
QRKNBBRN
QRKRNBBN
RKRBNQBN
RQKBBNRN
NRQBBKNR
RKNRBBQN
QRKBNNBR
QRKRBBNN
RKRBNNBQ
RQKBBNRN
NRQBBKNR
QRB...

result: