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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#345326 | #7179. Fischer's Chess Guessing Game | installb | WA | 33ms | 3980kb | C++14 | 2.8kb | 2024-03-06 19:37:47 | 2024-03-06 19:37:48 |
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(43653);
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: 5ms
memory: 3980kb
input:
GAME 1 1 2 2 4 3 8 END
output:
NRBBNKQR BNRKQBNR RNBQKRNB RKRQNBBN RKBNQBRN RKRBBQNN
result:
ok (c) correct after 1 tests, max moves 6 (1 test case)
Test #2:
score: -100
Wrong Answer
time: 33ms
memory: 3816kb
input:
GAME 1 1 2 2 4 3 8 GAME 2 2 2 4 1 8 GAME 3 1 2 2 3 8 GAME 4 1 2 1 8 GAME 5 2 1 2 3 1 8 GAME 6 2 1 2 1 4 8 GAME 7 0 2 3 4 8 GAME 8 1 2 1 2 0 8 GAME 9 0 3 1 1 8 GAME 10 0 3 4 2 8 GAME 11 0 5 3 2 8 GAME 12 1 1 3 1 2 8 GAME 13 1 2 2 4 1 8 GAME 14 0 4 3 5 8 GAME 15 1 2 1 1 3 3
output:
NRBBNKQR BNRKQBNR RNBQKRNB RKRQNBBN RKBNQBRN RKRBBQNN NRBBNKQR RBBQKNNR RKNNBBQR QRNKBBNR RKRBBNQN NRBBNKQR BNRKQBNR RNBQKRNB RKRQNBBN RKRBBNNQ NRBBNKQR BNRKQBNR RNBQKRNB RKRBQNBN NRBBNKQR RBBQKNNR BRKBQRNN NNRBKRBQ QNNBBRKR RKRBNQBN NRBBNKQR RNBNQBKR QNRBBKRN BRKQNBRN QBRKNNBR RKRBNNBQ NRBBNKQR RKN...
result:
wrong answer (i) too many guesses in game 15, pos = (test case 15)