結果
| 問題 |
No.5014 セクスタプル (reactive)
|
| コンテスト | |
| ユーザー |
trineutron
|
| 提出日時 | 2022-11-11 15:49:41 |
| 言語 | C++17(gcc12) (gcc 12.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 24 ms / 2,000 ms |
| コード長 | 3,152 bytes |
| コンパイル時間 | 1,405 ms |
| 実行使用メモリ | 22,864 KB |
| スコア | 614,768,324 |
| 平均クエリ数 | 35.00 |
| 最終ジャッジ日時 | 2022-11-11 15:49:50 |
| 合計ジャッジ時間 | 7,883 ms |
|
ジャッジサーバーID (参考情報) |
judge14 / judge12 |
| 純コード判定しない問題か言語 |
(要ログイン)
| ファイルパターン | 結果 |
|---|---|
| other | AC * 100 |
ソースコード
#include <algorithm>
#include <array>
#include <chrono>
#include <fstream>
#include <iostream>
#include <random>
using Board = std::array<std::array<int, 6>, 36>;
class xrand {
uint64_t x;
public:
using result_type = uint32_t;
static constexpr result_type min() {
return std::numeric_limits<result_type>::min();
}
static constexpr result_type max() {
return std::numeric_limits<result_type>::max();
}
xrand(uint64_t k) : x(k) {}
xrand() : xrand(1) {}
result_type operator()() {
x ^= x << 9;
x ^= x >> 7;
return (x * 0x123456789abcdef) >> 32;
}
};
double calc_score(const Board &board, const std::array<bool, 36> &used) {
std::array<std::array<double, 6>, 6> prob_row, prob_col;
std::array<std::array<int, 6>, 6> count_row, count_col;
for (int i = 0; i < 6; i++) {
prob_row[i].fill(1.);
prob_col[i].fill(1.);
count_row[i].fill(0);
count_col[i].fill(0);
}
for (int row = 0; row < 6; row++) {
for (int col = 0; col < 6; col++) {
const int idx = 6 * row + col;
for (int type = 0; type < 6; type++) {
if (not used[idx]) {
prob_row[row][type] *= pow(2. / 3., 1. / 6.);
prob_col[col][type] *= pow(2. / 3., 1. / 6.);
count_row[row][type] += 46656. / 31031.;
count_col[col][type] += 46656. / 31031.;
} else if (board[idx][type] == 0) {
prob_row[row][type] = 0.;
prob_col[col][type] = 0.;
} else {
count_row[row][type] += board[idx][type];
count_col[col][type] += board[idx][type];
}
}
}
}
double s = 0;
for (int i = 0; i < 6; i++) {
for (int type = 0; type < 6; type++) {
s += prob_row[i][type] * (count_row[i][type] - 3);
s += prob_col[i][type] * (count_col[i][type] - 3);
}
}
return s;
}
int main() {
xrand rng;
std::uniform_int_distribution<> dist(0, 5);
Board board;
for (int i = 0; i < 36; i++) {
board[i].fill(0);
}
std::array<bool, 36> used;
used.fill(false);
for (int i = 0; i < 35; i++) {
std::array<int, 6> dice;
dice.fill(0);
for (int j = 0; j < 6; j++) {
int d;
std::cin >> d;
d--;
dice[d]++;
}
std::array<double, 36> score;
score.fill(0);
for (int j = 0; j < 36; j++) {
if (used[j]) {
score[j]--;
continue;
}
Board board_new = board;
board_new[j] = dice;
used[j] = true;
score[j] = calc_score(board_new, used);
used[j] = false;
}
int idx = std::max_element(score.begin(), score.end()) - score.begin();
std::cerr << score[idx] << std::endl;
std::cout << idx / 6 + 1 << ' ' << idx % 6 + 1 << std::endl;
used[idx] = true;
board[idx] = dice;
}
return 0;
}
trineutron