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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#224021 | #7179. Fischer's Chess Guessing Game | wxhtzdy | TL | 268ms | 8036kb | C++20 | 2.4kb | 2023-10-22 23:03:28 | 2023-10-22 23:03:28 |
Judging History
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];
map<string,int> 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.count(s)){
val[s]=++id;
str[val[s]]=s;
}
} while(next_permutation(perm.begin(),perm.end()));
}
void dfs(int&nd,vector<int> v){
if(v.empty()) return;
nd=++ncnt;
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]);
}
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);
while(true){
string s;
cin>>s;
if(s[0]=='E') break;
if(s[0]=='G') cin>>s;
go(root);
}
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 268ms
memory: 8036kb
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...