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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#345328 | #7179. Fischer's Chess Guessing Game | installb | WA | 43ms | 3880kb | C++14 | 2.8kb | 2024-03-06 19:38:11 | 2024-03-06 19:38:11 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int N = 800005;
vector <string> G,iG;
map <string,int> mp; int tot = 0;
void init1(){
string s = "BBKNNQRR";
do{
int pk; vector <int> pb,pr;
for(int i = 0;i < 8;i ++){
if(s[i] == 'B') pb.push_back(i);
if(s[i] == 'R') pr.push_back(i);
if(s[i] == 'K') pk = i;
}
if((pb[0] & 1) == (pb[1] & 1)) continue;
if(!(pr[0] < pk && pk < pr[1])) continue;
if(mp.find(s) != mp.end()) continue;
mp[s] = tot ++;
G.push_back(s);
}while(next_permutation(s.begin(),s.end()));
}
mt19937 rnd(time(0));
string SS;
int calc(string x,string y){ int r = 0; for(int i = 0;i < 8;i ++) if(x[i] == y[i]) r ++; return r; }
void solve(){
vector <string> H;
G = iG;
string lis[6];
for(int ti = 0;ti < 6;ti ++){
int anss = G.size() + 1;
if(G.size() == 1) break;
string cur;
shuffle(G.begin(),G.end(),rnd);
if(ti > 0){
for(int x = 0;x < G.size();x ++){
map <int,int> chk;
for(int i = 0;i < G.size();i ++) chk[calc(G[i],G[x])] ++;
int mx = 0;
for(auto it = chk.begin();it != chk.end();it ++) mx = max(mx,it->second);
if(mx < anss){
anss = mx;
cur = G[x];
}
}
}
else{
cur = "NRBBNKQR";
}
cout << cur << endl;
int x;
cin >> x;
// x = calc(cur,SS);
// cout << x << ' ' << cur << ' ' << SS << ' ' << G.size() << endl;
if(x == 8) return;
for(int i = 0;i < G.size();i ++) if(calc(cur,G[i]) == x) H.push_back(G[i]);
G.swap(H); H.clear();
lis[ti] = cur;
// cout << ti << ' ' << anss << '\n';
}
cout << G[0] << endl;
int x;
cin >> x;
// x = calc(G[0],SS);
// for(int i = 0;i < 6;i ++) cout << lis[i] << '\n';
}
// void countt(){
// string lis[6];
// for(int i = 0;i < 6;i ++) cin >> lis[i];
// map <vector <int>,int> chk;
// for(int i = 0;i < tot;i ++){
// vector <int> vec;
// for(int j = 0;j < 6;j ++){
// int cnt = 0;
// for(int k = 0;k < 8;k ++) if(G[i][k] == lis[j][k]) cnt ++;
// vec.push_back(cnt);
// }
// // cout << G[i] << " : "; for(auto u : vec) cout << u << ' '; cout << endl;
// chk[vec] = 1;
// }
// cout << chk.size() << '\n';
// }
int main(){
ios::sync_with_stdio(false);
init1(); iG = G;
// for(auto s : G) cout << s << ' ';
// cout << tot << endl;
// solve2();
// countt();
string str;
while(cin >> str){
if(str == "END") break;
int x; cin >> x;
// cin >> SS;
solve();
}
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 4ms
memory: 3824kb
input:
GAME 1 1 2 2 8 END
output:
NRBBNKQR BNRKQBNR RNBQKRNB RKRBBQNN
result:
ok (c) correct after 1 tests, max moves 4 (1 test case)
Test #2:
score: -100
Wrong Answer
time: 43ms
memory: 3880kb
input:
GAME 1 1 2 2 8 GAME 2 2 1 4 2 8 GAME 3 1 2 2 6 8 GAME 4 1 2 1 4 8 GAME 5 2 1 2 0 8 GAME 6 2 1 2 8 GAME 7 0 2 3 6 8 GAME 8 1 2 1 4 8 GAME 9 0 3 1 8 GAME 10 0 3 3 2 8 GAME 11 0 5 2 8 GAME 12 1 1 3 1 2 8 GAME 13 1 2 2 8 GAME 14 0 4 2 4 8 GAME 15 1 2 1 0 5 8 GAME 16 1 1 2 3 3 8 GAME 17 0 5 5 8 GAME 18 1...
output:
NRBBNKQR BNRKQBNR RNBQKRNB RKRBBQNN NRBBNKQR RNBNQBKR QNRBBKRN NBRNBKRQ RKRBBNQN NRBBNKQR BNRKQBNR RNBQKRNB RKRBBQNN RKRBBNNQ NRBBNKQR BNRKQBNR RNBQKRNB BQRBKNRN RKRBQNBN NRBBNKQR RBBNQNKR QRKNNRBB BRNKRNQB RKRBNQBN NRBBNKQR RBBNKQNR QRKNNRBB RKRBNNBQ NRBBNKQR RKNNRQBB RNKNBBRQ RKQRBBNN RKRQBBNN NRB...
result:
wrong answer (i) too many guesses in game 22, pos = \x16