QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#491877 | #7179. Fischer's Chess Guessing Game | no_RED_no_DEAD | TL | 587ms | 3764kb | C++20 | 3.8kb | 2024-07-26 00:25:14 | 2024-07-26 00:25:15 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
const ll N = 1e6 + 1;
const ll M = 1e9 + 7;
mt19937_64 rng(static_cast<ll>(std::chrono::duration_cast<std::chrono::nanoseconds>(std::chrono::high_resolution_clock::now().time_since_epoch()).count()));
ll rand(ll l, ll r) {
return uniform_int_distribution<ll>(l, r)(rng);
}
string P = "BRKBNQRN";
string Q = "KNNBBRRQ";
string S[5];
ll T[] = {(ll)100, (ll)300, (ll)1500, (ll)10000};
vector<string> v, res;
ll val[N];
ll cal(string &s, string &t) {
ll res = 0;
for (int i = 0; i <= 7; i ++)
if (s[i] == t[i]) res ++;
return res;
}
ll check(ll x) {
return x >= 4;
}
void doTest(ll testID) {
while (true) {
bool nxt = 0;
string tmp; cin >> tmp;
if (tmp == "END") return;
cin >> tmp;
res.clear();
for (auto x: v) res.push_back(x);
/* BEGIN MESS 1*/
for (int i = 0; i <= 1; i ++) {
ll cnt = -1, tmp = 0;
for (int j = 0; j < min(T[i], (ll)v.size()); j ++) {
string cur = v[rand(0, v.size() - 1)]; tmp = 0;
for (auto y: res) tmp += check(cal(cur, y));
if (tmp > cnt) {cnt = tmp; S[i] = cur;}
}
cout << S[i] << endl;
cin >> val[i]; if (val[i] == 8) {nxt = 1; break;}
vector<string> newRes;
for (auto x: res) if (cal(x, S[i]) == val[i]) newRes.push_back(x);
res = newRes;
// cout << "Debug: " << res.size() << endl;
}
if (nxt) continue;
/* BEGIN MESS 2*/
for (int i = 2; i <= 3; i ++) {
ll cnt = 0, tmp = 0;
for (int j = 0; j < min(T[i], (ll)v.size()); j ++) {
string cur = v[rand(0, v.size() - 1)];
set<ll> s; for (auto y: res) s.insert(cal(cur, y));
if (s.size() > cnt) {cnt = s.size(); S[i] = cur;}
}
cout << S[i] << endl;
cin >> val[i]; if (val[i] == 8) {nxt = 1; break;}
vector<string> newRes;
for (auto x: res) if (cal(x, S[i]) == val[i]) newRes.push_back(x);
res = newRes;
// cout << "Debug: " << res.size() << endl;
}
if (nxt) continue;
/* BEGIN MESS 3*/
for (int i = 4; i <= 4; i ++) {
ll cnt = 0;
for (auto x: v) {
set<ll> s; for (auto y: res) s.insert(cal(x, y));
if (s.size() > cnt) {cnt = s.size(); S[4] = x;}
}
cout << S[i] << endl;
cin >> val[i]; if (val[i] == 8) {nxt = 1; break;}
vector<string> newRes;
for (auto x: res) if (cal(x, S[i]) == val[i]) newRes.push_back(x);
res = newRes;
}
if (nxt) break;
/*BEGIN MESS 4*/
// cout << "??? " << res.size() << endl;
cout << res[0] << endl;
cin >> val[5];
}
}
signed main() {
// freopen("a.inp", "r", stdin);
// freopen("a.out", "w", stdout);
set<string> s;
string T = "KNNBBRRQ";
sort(T.begin(), T.end());
do {
vector<ll> b, r, k;
for (int i = 0; i <= 7; i ++) if (T[i] == 'B') b.push_back(i);
for (int i = 0; i <= 7; i ++) if (T[i] == 'K') k.push_back(i);
for (int i = 0; i <= 7; i ++) if (T[i] == 'R') r.push_back(i);
if ((b[1] - b[0]) % 2 == 0) continue;
if (r[0] > k[0] || r[1] < k[0]) continue;
s.insert(T);
} while(next_permutation(T.begin(), T.end()));
for (auto x: s) v.push_back(x);
ios_base::sync_with_stdio(0); cin.tie(0);
int test = 1;
// cin >> test;
for (int _ = 1; _ <= test; _ ++) doTest(test);
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 4ms
memory: 3764kb
input:
GAME 1 1 1 3 2 0 8 END
output:
RNBKNBQR BRNNKQRB QNRBKRBN BBRQKNNR BBNNQRKR RKRBBQNN
result:
ok (c) correct after 1 tests, max moves 6 (1 test case)
Test #2:
score: 0
Accepted
time: 587ms
memory: 3740kb
input:
GAME 1 3 4 1 2 3 8 GAME 2 1 1 2 3 0 8 GAME 3 1 1 4 0 0 8 GAME 4 3 4 5 2 1 8 GAME 5 1 2 2 3 2 8 GAME 6 1 1 0 2 0 8 GAME 7 2 1 0 6 0 8 GAME 8 2 4 2 2 4 8 GAME 9 3 4 2 4 2 8 GAME 10 2 1 1 6 0 8 GAME 11 2 3 2 1 0 8 GAME 12 3 1 3 2 1 8 GAME 13 1 1 0 2 0 8 GAME 14 3 3 4 2 0 8 GAME 15 2 4 3 8 GAME 16 2 2 0...
output:
RNQKBBNR RNQBBKNR BBQRNKNR NQRNBBKR NRKBBRNQ RKRBBQNN RQBNKBNR BRQKNNRB NRNBBQKR RKNBNQBR BBNNQRKR RKRBBNQN RNBKNBQR QRNNBKRB NQRBBNKR NRKNQBBR BBNNQRKR RKRBBNNQ RBQNKNBR RNQBKNBR RKNBRNBQ RKNNBRQB BBNNQRKR RKRBQNBN RBBQKNNR BRKNNQRB NRKBRNBQ NQRKNRBB NRKQNBBR RKRBNQBN RNNKBBQR BRQNNKRB NBBNRQKR QRK...
result:
ok (c) correct after 96 tests, max moves 6 (96 test cases)
Test #3:
score: -100
Time Limit Exceeded
input:
GAME 1 6 5 0 1 1 8 GAME 2 2 8 GAME 3 2 3 4 4 2 8 GAME 4 4 3 2 8 GAME 5 2 4 2 4 3 8 GAME 6 3 2 3 8 GAME 7 3 4 3 3 2 8 GAME 8 3 3 5 0 2 8 GAME 9 5 4 3 3 3 8 GAME 10 6 4 3 3 2 8 GAME 11 4 4 2 2 2 8 GAME 12 5 6 2 1 4 8 GAME 13 1 1 0 2 1 8 GAME 14 1 3 4 1 1 8 GAME 15 2 4 2 5 1 8 GAME 16 1 0 2 0 2 8 GAME ...
output:
RBQKBNNR RNQKBBNR QBRNKRBN QRKBNRBN BBNNQRKR RKQBBNNR RNQKNBBR RKNBBQNR RQBNKBNR RBKNBQNR QRNBBKNR RKRBBQNN BBNNQRKR RKNBBNQR RBQKBNNR RBKQBNNR RBBKRNQN RKQBNNBR RNBKNBQR RBQKNNBR QBRKBNNR RBNNKQBR BBNNQRKR RKNBQNBR RNQNKBBR RNBNKBQR NRNKQBBR RKNBNQBR RNNKQBBR RNNKBBQR NRNQBBKR RBNNBKRQ BNQRKBRN RKQ...