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ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#710392 | #7179. Fischer's Chess Guessing Game | no_RED_no_DEAD | RE | 136ms | 3720kb | C++20 | 2.7kb | 2024-11-04 19:41:13 | 2024-11-04 19:41:14 |
Judging History
answer
#include "bits/stdc++.h"
using namespace std;
using ll = long long;
using ld = long double;
using ull = unsigned long long;
const ll N = 1e6 + 1;
const ll M = 1e9 + 7;
const ll B = 8;
ll pp[N];
vector<string> v;
string cur;
void backtrack(ll pos, ll r, ll n, ll b, ll k, ll q) {
if (pos > B) {
ll r1 = 1e18, r2 = -1e18, b1 = 1e18, b2 = -1e18, k1 = -1e18;
for (ll i = 0; i < cur.size(); i ++) {
if (cur[i] == 'R') r1 = min(r1, i), r2 = max(r2, i);
if (cur[i] == 'B') b1 = min(b1, i), b2 = max(b2, i);
if (cur[i] == 'K') k1 = max(k1, i);
}
if (b1 % 2 == b2 % 2) return;
if (r1 > k1 || r2 < k1) return;
v.push_back(cur);
return;
}
if (r < 2) cur += 'R', backtrack(pos + 1, r + 1, n, b, k, q), cur.pop_back();
if (n < 2) cur += 'N', backtrack(pos + 1, r, n + 1, b, k, q), cur.pop_back();
if (b < 2) cur += 'B', backtrack(pos + 1, r, n, b + 1, k, q), cur.pop_back();
if (k < 1) cur += 'K', backtrack(pos + 1, r, n, b, k + 1, q), cur.pop_back();
if (q < 1) cur += 'Q', backtrack(pos + 1, r, n, b, k, q + 1), cur.pop_back();
}
ll get(string &a, string &b) {
ll res = 0;
for (int i = 0; i < a.size(); i ++)
if (a[i] == b[i]) res ++;
return res;
}
// NX1: Định lý Phong: càng gần trung tâm x thì càng nhiều trường hợp
// Lần thử 1: Đỉnh càng lớn thì càng tệ
void doTest(ll testID) {
backtrack(1, 0, 0, 0, 0, 0);
while (true) {
string s; ll num; cin >> s; if (s == "END") return; cin >> num;
vector<string> cv = v;
for (int i = 1; ; i ++) {
assert(i <= 6);
string chs = cv[0];
if (i != 1) {
ll mx = 1e18;
for (auto x: cv) {
// Reset
for (int j = 0; j <= 8; j ++) pp[j] = 0;
// Lập cái đồ thị
for (auto y: cv) pp[get(x, y)] ++;
// Tìm đỉnh của đồ thị
ll t = 0; for (int j = 0; j <= 8; j ++) t = max(t, pp[j]);
// Chọn đồ thị có đỉnh bé nhất
if (t < mx) mx = t, chs = x;
}
}
cout << chs << endl; ll req; cin >> req;
if (req == 8) break;
vector<string> nv;
for (auto x: cv)
if (get(x, chs) == req)
nv.push_back(x);
cv = nv;
}
}
}
signed main() {
ios_base::sync_with_stdio(0); cin.tie(0);
int test = 1;
// cin >> test;
for (int _ = 1; _ <= test; _ ++) doTest(_);
}
詳細信息
Test #1:
score: 100
Accepted
time: 2ms
memory: 3644kb
input:
GAME 1 3 1 2 3 8 END
output:
RNNBBKRQ BBRNNKRQ RNQNBBKR RBNKBRQN RKRBBQNN
result:
ok (c) correct after 1 tests, max moves 5 (1 test case)
Test #2:
score: 0
Accepted
time: 136ms
memory: 3720kb
input:
GAME 1 3 1 2 3 8 GAME 2 3 1 2 4 8 GAME 3 4 5 2 5 8 GAME 4 2 4 4 2 8 GAME 5 2 2 3 2 2 8 GAME 6 3 3 2 0 8 GAME 7 2 2 1 4 3 8 GAME 8 2 3 3 2 2 8 GAME 9 3 3 2 2 8 GAME 10 2 4 3 3 8 GAME 11 2 4 2 8 GAME 12 2 5 2 8 GAME 13 1 1 2 1 8 GAME 14 1 3 5 5 8 GAME 15 2 3 2 4 2 8 GAME 16 1 2 0 5 8 GAME 17 1 4 2 4 3...
output:
RNNBBKRQ BBRNNKRQ RNQNBBKR RBNKBRQN RKRBBQNN RNNBBKRQ BBRNNKRQ RNQNBBKR RBNKBRQN RKRBBNQN RNNBBKRQ RKNBBNQR RNNKBBQR RKNBRNBQ RKRBBNNQ RNNBBKRQ RKBNQNRB RNKRQNBB RNBKQRNB RKRBQNBN RNNBBKRQ RKBNQNRB RBKNNRBQ RBKRBNQN RBBQNKNR RKRBNQBN RNNBBKRQ BBRNNKRQ RBNNQKBR NRQNBKRB RKRBNNBQ RNNBBKRQ RKBNQNRB RBK...
result:
ok (c) correct after 96 tests, max moves 6 (96 test cases)
Test #3:
score: -100
Runtime Error
input:
GAME 1 3 0 3 5 3 8 GAME 2 4 6 4 5 8 GAME 3 4 8 GAME 4 2 3 3 2 2 2
output:
RNNBBKRQ BBRNNKRQ RNKRBQNB RKNQBBNR RKNRBBQN RKQBBNNR RNNBBKRQ RKNBBNQR RNKBBNQR RKNBBRQN RKNBBQNR RNNBBKRQ RKNBBNQR RNNBBKRQ RKBNQNRB RKBBRQNN RNBKQBNR RNKNRQBB RKRNBBQN