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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#291829 | #7179. Fischer's Chess Guessing Game | OAleksa | WA | 68ms | 3920kb | C++14 | 2.3kb | 2023-12-27 09:18:08 | 2023-12-27 09:18:08 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
#define f first
#define s second
#define int long long
const int N = 960;
vector<int> g(N);
vector<char> sv = {'K', 'Q', 'N', 'N', 'B', 'B', 'R', 'R'};
vector<string> perm;
int good(vector<char> ord) {
int x = -1, y = -1, z = -1, b = -1, a = -1;
for (int i = 0;i < 8;i++) {
if (ord[i] == 'K')
z = i;
else if (ord[i] == 'B') {
if (x == -1)
x = i;
else
y = i;
}
else if (ord[i] == 'R') {
if (a == -1)
a = i;
else
b = i;
}
}
return z < b && z > a && x % 2 != y % 2;
};
int diff(string a, string b) {
int r = 0;
for (int i = 0;i < 8;i++)
r += (a[i] == b[i]);
return r;
};
string ans;
void resi(int r) {
for (int i = 0;i < N;i++) {
if (!diff(perm[i], ans) == r)
g[i] = false;
}
int mn = 1e9;
for (int i = 0;i < N;i++) {
if (!g[i])
continue;
int mx = 0;
vector<int> cnt(10);
for (int j = 0;j < N;j++) {
if (!g[j])
continue;
mx = max(mx, ++cnt[diff(perm[i], perm[j])]);
}
if (mx < mn) {
mn = mx;
ans = perm[i];
}
}
}
signed main() {
ios_base::sync_with_stdio(false);
cout.tie(nullptr);
cin.tie(nullptr);
//freopen("newbarn.in", "r", stdin);
//freopen(newbarn.out", "w", stdout);
int tt = 1;
//cin >> tt;
while (tt--) {
vector<int> order(8);
iota(order.begin(), order.end(), 0);
map<string, int> bio;
do {
vector<char> t;
for (int i = 0;i < 8;i++)
t.push_back(sv[order[i]]);
if (good(t)) {
string s;
for (auto x : t)
s += x;
if (bio[s])
continue;
bio[s] = 1;
perm.push_back(s);
}
} while (next_permutation(order.begin(), order.end()));
int mx = 1e9;
for (int i = 0;i < 960;i++) {
vector<int> cnt(10);
int l = 0;
for (int j = 0;j < 960;j++)
l = max(l, ++cnt[diff(perm[i], perm[j])]);
if (l < mx) {
ans = perm[i];
mx = l;
}
}
while (true) {
string s;
cin >> s;
if (s == "GAME") {
for (int i = 0;i < N;i++)
g[i] = 1;
cin >> s;
int c = 0;
while (true) {
cout << ans << endl;
c++;
if (c == 6)
return 0;
int r;
cin >> r;
if (r == 8)
break;
resi(r);
}
}
else
break;
}
}
return 0;
}
Details
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Test #1:
score: 0
Wrong Answer
time: 68ms
memory: 3920kb
input:
GAME 1 2 2 2 2 2 2
output:
NRNBBKQR NRNBBKQR NRNBBKQR NRNBBKQR NRNBBKQR NRNBBKQR
result:
wrong answer (i) too many guesses in game 1, pos = PH