#include #include #include #include #include #include using Board = std::array, 36>; class xrand { uint64_t x; public: using result_type = uint32_t; static constexpr result_type min() { return std::numeric_limits::min(); } static constexpr result_type max() { return std::numeric_limits::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 &used) { std::array, 6> prob_row, prob_col; std::array, 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] *= 31031. / 46656.; prob_col[col][type] *= 31031. / 46656.; 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]; } } } } int 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 used; used.fill(false); for (int i = 0; i < 35; i++) { std::array dice; dice.fill(0); for (int j = 0; j < 6; j++) { int d; std::cin >> d; d--; dice[d]++; } std::array 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::cout << idx / 6 + 1 << ' ' << idx % 6 + 1 << std::endl; used[idx] = true; board[idx] = dice; } return 0; }