結果

問題 No.2986 Permutation Puzzle
ユーザー ecottea
提出日時 2024-12-11 01:11:01
言語 C++17
(gcc 13.3.0 + boost 1.87.0)
結果
AC  
実行時間 862 ms / 2,000 ms
コード長 13,657 bytes
コンパイル時間 5,835 ms
コンパイル使用メモリ 292,076 KB
最終ジャッジ日時 2025-02-26 11:54:28
ジャッジサーバーID
(参考情報)
judge4 / judge5
このコードへのチャレンジ
(要ログイン)
ファイルパターン 結果
sample AC * 4
other AC * 40
権限があれば一括ダウンロードができます

ソースコード

diff #

#ifndef HIDDEN_IN_VS // 折りたたみ用

// 警告の抑制
#define _CRT_SECURE_NO_WARNINGS

// ライブラリの読み込み
#include <bits/stdc++.h>
using namespace std;

// 型名の短縮
using ll = long long; using ull = unsigned long long; // -2^63 ~ 2^63 = 9e18(int は -2^31 ~ 2^31 = 2e9)
using pii = pair<int, int>;	using pll = pair<ll, ll>;	using pil = pair<int, ll>;	using pli = pair<ll, int>;
using vi = vector<int>;		using vvi = vector<vi>;		using vvvi = vector<vvi>;	using vvvvi = vector<vvvi>;
using vl = vector<ll>;		using vvl = vector<vl>;		using vvvl = vector<vvl>;	using vvvvl = vector<vvvl>;
using vb = vector<bool>;	using vvb = vector<vb>;		using vvvb = vector<vvb>;
using vc = vector<char>;	using vvc = vector<vc>;		using vvvc = vector<vvc>;
using vd = vector<double>;	using vvd = vector<vd>;		using vvvd = vector<vvd>;
template <class T> using priority_queue_rev = priority_queue<T, vector<T>, greater<T>>;
using Graph = vvi;

// 定数の定義
const double PI = acos(-1);
int DX[4] = { 1, 0, -1, 0 }; // 4 近傍(下,右,上,左)
int DY[4] = { 0, 1, 0, -1 };
int INF = 1001001001; ll INFL = 4004004003094073385LL; // (int)INFL = INF, (int)(-INFL) = -INF;

// 入出力高速化
struct fast_io { fast_io() { cin.tie(nullptr); ios::sync_with_stdio(false); cout << fixed << setprecision(18); } } fastIOtmp;

// 汎用マクロの定義
#define all(a) (a).begin(), (a).end()
#define sz(x) ((int)(x).size())
#define lbpos(a, x) (int)distance((a).begin(), std::lower_bound(all(a), (x)))
#define ubpos(a, x) (int)distance((a).begin(), std::upper_bound(all(a), (x)))
#define Yes(b) {cout << ((b) ? "Yes\n" : "No\n");}
#define rep(i, n) for(int i = 0, i##_len = int(n); i < i##_len; ++i) // 0 から n-1 まで昇順
#define repi(i, s, t) for(int i = int(s), i##_end = int(t); i <= i##_end; ++i) // s から t まで昇順
#define repir(i, s, t) for(int i = int(s), i##_end = int(t); i >= i##_end; --i) // s から t まで降順
#define repe(v, a) for(const auto& v : (a)) // a の全要素(変更不可能)
#define repea(v, a) for(auto& v : (a)) // a の全要素(変更可能)
#define repb(set, d) for(int set = 0, set##_ub = 1 << int(d); set < set##_ub; ++set) // d ビット全探索(昇順)
#define repis(i, set) for(int i = lsb(set), bset##i = set; i < 32; bset##i -= 1 << i, i = lsb(bset##i)) // set の全要素(昇順)
#define repp(a) sort(all(a)); for(bool a##_perm = true; a##_perm; a##_perm = next_permutation(all(a))) // a の順列全て(昇順)
#define uniq(a) {sort(all(a)); (a).erase(unique(all(a)), (a).end());} // 重複除去
#define EXIT(a) {cout << (a) << endl; exit(0);} // 強制終了
#define inQ(x, y, u, l, d, r) ((u) <= (x) && (l) <= (y) && (x) < (d) && (y) < (r)) // 半開矩形内判定

// 汎用関数の定義
template <class T> inline ll powi(T n, int k) { ll v = 1; rep(i, k) v *= n; return v; }
template <class T> inline bool chmax(T& M, const T& x) { if (M < x) { M = x; return true; } return false; } // 最大値を更新(更新されたら true を返す)
template <class T> inline bool chmin(T& m, const T& x) { if (m > x) { m = x; return true; } return false; } // 最小値を更新(更新されたら true を返す)
template <class T> inline T getb(T set, int i) { return (set >> i) & T(1); }
template <class T> inline T smod(T n, T m) { n %= m; if (n < 0) n += m; return n; } // 非負mod

// 演算子オーバーロード
template <class T, class U> inline istream& operator>>(istream& is, pair<T, U>& p) { is >> p.first >> p.second; return is; }
template <class T> inline istream& operator>>(istream& is, vector<T>& v) { repea(x, v) is >> x; return is; }
template <class T> inline vector<T>& operator--(vector<T>& v) { repea(x, v) --x; return v; }
template <class T> inline vector<T>& operator++(vector<T>& v) { repea(x, v) ++x; return v; }

#endif // 折りたたみ用


#if __has_include(<atcoder/all>)
#include <atcoder/all>
using namespace atcoder;

#ifdef _MSC_VER
#include "localACL.hpp"
#endif

using mint = modint998244353;
//using mint = static_modint<1000000009>;
//using mint = modint; // mint::set_mod(m);

namespace atcoder {
	inline istream& operator>>(istream& is, mint& x) { ll x_; is >> x_; x = x_; return is; }
	inline ostream& operator<<(ostream& os, const mint& x) { os << x.val(); return os; }
}
using vm = vector<mint>; using vvm = vector<vm>; using vvvm = vector<vvm>; using vvvvm = vector<vvvm>; using pim = pair<int, mint>;
#endif


#ifdef _MSC_VER // 手元環境(Visual Studio)
#include "local.hpp"
#else // 提出用(gcc)
inline int popcount(int n) { return __builtin_popcount(n); }
inline int popcount(ll n) { return __builtin_popcountll(n); }
inline int lsb(int n) { return n != 0 ? __builtin_ctz(n) : 32; }
inline int lsb(ll n) { return n != 0 ? __builtin_ctzll(n) : 64; }
inline int msb(int n) { return n != 0 ? (31 - __builtin_clz(n)) : -1; }
inline int msb(ll n) { return n != 0 ? (63 - __builtin_clzll(n)) : -1; }
#define dump(...)
#define dumpel(...)
#define dump_list(v)
#define dump_mat(v)
#define input_from_file(f)
#define output_to_file(f)
#define Assert(b) { if (!(b)) { vc MLE(1<<30); EXIT(MLE.back()); } } // RE の代わりに MLE を出す
#endif


//【転置】O(h w)
/*
* a[0..h)[0..w) を転置したものを返す.
*/
template <class T>
vector<vector<T>> transpose(const vector<vector<T>>& a) {
	// verify : https://yukicoder.me/problems/no/1974

	int h = sz(a), w = sz(a[0]);

	vector<vector<T>> b(w, vector<T>(h));
	rep(i, h) rep(j, w) b[j][i] = a[i][j];

	return b;
}


int main() {
//	input_from_file("input.txt");
//	output_to_file("output.txt");

	int n, k;
	cin >> n >> k;

	vvi a0(n, vi(n)), b0(n, vi(n));
	cin >> a0 >> b0;
	--a0; --b0;

	vector<pair<char, int>> res;

	if (k == 2) {
		rep(ij1, 2 * n) rep(ij2, 2 * n) {
			auto a(a0);

			{
				int i = ij1;
				if (i >= n) {
					a = transpose(a);
					i -= n;
				}

				vi p(n);
				rep(j, n) p[j] = a[i][j];

				vvi na(n);
				rep(j, n) na[p[j]] = a[j];
				a = move(na);

				if (ij1 >= n) {
					a = transpose(a);
				}
			}
			auto a1(a);

			{
				int i = ij2;
				if (i >= n) {
					a = transpose(a);
					i -= n;
				}

				vi p(n);
				rep(j, n) p[j] = a[i][j];

				vvi na(n);
				rep(j, n) na[p[j]] = a[j];
				a = move(na);

				if (ij2 >= n) {
					a = transpose(a);
				}
			}
			auto a2(a);

			if (a == b0) {
				dump(ij1, ij2);

				{
					int i = ij2;
					if (i >= n) {
						a1 = transpose(a1);
						i -= n;
					}

					a = a1;

					vi p(n);
					rep(j, n) p[j] = a[i][j];

					vvi na(n);
					rep(j, n) na[p[j]] = a[j];
					i = p[i];
					a = move(na);

					while (a != a1) {
						if (ij2 >= n) {
							res.push_back({ 'C', i + 1 });
						}
						else {
							res.push_back({ 'R', i + 1 });
						}

						vi p(n);
						rep(j, n) p[j] = a[i][j];

						vvi na(n);
						rep(j, n) na[p[j]] = a[j];
						i = p[i];
						a = move(na);						
					}
				}

				{
					int i = ij1;
					if (i >= n) {
						a0 = transpose(a0);
						i -= n;
					}

					a = a0;

					vi p(n);
					rep(j, n) p[j] = a[i][j];

					vvi na(n);
					rep(j, n) na[p[j]] = a[j];
					i = p[i];
					a = move(na);

					while (a != a0) {
						if (ij1 >= n) {
							res.push_back({ 'C', i + 1 });
						}
						else {
							res.push_back({ 'R', i + 1 });
						}

						vi p(n);
						rep(j, n) p[j] = a[i][j];

						vvi na(n);
						rep(j, n) na[p[j]] = a[j];
						i = p[i];
						a = move(na);
					}
				}

				cout << sz(res) << endl;
				for (auto [c, i] : res) cout << c << " " << i << endl;

				return 0;
			}
		}
	}
	else if (k == 3) {
		rep(ij1, 2 * n) rep(ij2, 2 * n) rep(ij3, 2 * n) {
			auto a(a0);

			{
				int i = ij1;
				if (i >= n) {
					a = transpose(a);
					i -= n;
				}

				vi p(n);
				rep(j, n) p[j] = a[i][j];

				vvi na(n);
				rep(j, n) na[p[j]] = a[j];
				a = move(na);

				if (ij1 >= n) {
					a = transpose(a);
				}
			}
			auto a1(a);

			{
				int i = ij2;
				if (i >= n) {
					a = transpose(a);
					i -= n;
				}

				vi p(n);
				rep(j, n) p[j] = a[i][j];

				vvi na(n);
				rep(j, n) na[p[j]] = a[j];
				a = move(na);

				if (ij2 >= n) {
					a = transpose(a);
				}
			}
			auto a2(a);

			{
				int i = ij3;
				if (i >= n) {
					a = transpose(a);
					i -= n;
				}

				vi p(n);
				rep(j, n) p[j] = a[i][j];

				vvi na(n);
				rep(j, n) na[p[j]] = a[j];
				a = move(na);

				if (ij3 >= n) {
					a = transpose(a);
				}
			}
			auto a3(a);

			if (a == b0) {
				dump(ij1, ij2, ij3);

				{
					int i = ij3;
					if (i >= n) {
						a2 = transpose(a2);
						i -= n;
					}

					a = a2;

					vi p(n);
					rep(j, n) p[j] = a[i][j];

					vvi na(n);
					rep(j, n) na[p[j]] = a[j];
					i = p[i];
					a = move(na);

					while (a != a2) {
						if (ij3 >= n) {
							res.push_back({ 'C', i + 1 });
						}
						else {
							res.push_back({ 'R', i + 1 });
						}

						vi p(n);
						rep(j, n) p[j] = a[i][j];

						vvi na(n);
						rep(j, n) na[p[j]] = a[j];
						i = p[i];
						a = move(na);
					}
				}

				{
					int i = ij2;
					if (i >= n) {
						a1 = transpose(a1);
						i -= n;
					}

					a = a1;

					vi p(n);
					rep(j, n) p[j] = a[i][j];

					vvi na(n);
					rep(j, n) na[p[j]] = a[j];
					i = p[i];
					a = move(na);

					while (a != a1) {
						if (ij2 >= n) {
							res.push_back({ 'C', i + 1 });
						}
						else {
							res.push_back({ 'R', i + 1 });
						}

						vi p(n);
						rep(j, n) p[j] = a[i][j];

						vvi na(n);
						rep(j, n) na[p[j]] = a[j];
						i = p[i];
						a = move(na);
					}
				}

				{
					int i = ij1;
					if (i >= n) {
						a0 = transpose(a0);
						i -= n;
					}

					a = a0;

					vi p(n);
					rep(j, n) p[j] = a[i][j];

					vvi na(n);
					rep(j, n) na[p[j]] = a[j];
					i = p[i];
					a = move(na);

					while (a != a0) {
						if (ij1 >= n) {
							res.push_back({ 'C', i + 1 });
						}
						else {
							res.push_back({ 'R', i + 1 });
						}

						vi p(n);
						rep(j, n) p[j] = a[i][j];

						vvi na(n);
						rep(j, n) na[p[j]] = a[j];
						i = p[i];
						a = move(na);
					}
				}

				cout << sz(res) << endl;
				for (auto [c, i] : res) cout << c << " " << i << endl;

				return 0;
			}
		}
	}
	else if (k == 4) {
		rep(ij1, 2 * n) rep(ij2, 2 * n) rep(ij3, 2 * n) rep(ij4, 2 * n) {
			auto a(a0);

			{
				int i = ij1;
				if (i >= n) {
					a = transpose(a);
					i -= n;
				}

				vi p(n);
				rep(j, n) p[j] = a[i][j];

				vvi na(n);
				rep(j, n) na[p[j]] = a[j];
				a = move(na);

				if (ij1 >= n) {
					a = transpose(a);
				}
			}
			auto a1(a);

			{
				int i = ij2;
				if (i >= n) {
					a = transpose(a);
					i -= n;
				}

				vi p(n);
				rep(j, n) p[j] = a[i][j];

				vvi na(n);
				rep(j, n) na[p[j]] = a[j];
				a = move(na);

				if (ij2 >= n) {
					a = transpose(a);
				}
			}
			auto a2(a);

			{
				int i = ij3;
				if (i >= n) {
					a = transpose(a);
					i -= n;
				}

				vi p(n);
				rep(j, n) p[j] = a[i][j];

				vvi na(n);
				rep(j, n) na[p[j]] = a[j];
				a = move(na);

				if (ij3 >= n) {
					a = transpose(a);
				}
			}
			auto a3(a);

			{
				int i = ij4;
				if (i >= n) {
					a = transpose(a);
					i -= n;
				}

				vi p(n);
				rep(j, n) p[j] = a[i][j];

				vvi na(n);
				rep(j, n) na[p[j]] = a[j];
				a = move(na);

				if (ij4 >= n) {
					a = transpose(a);
				}
			}
			auto a4(a);

			if (a == b0) {
				dump(ij1, ij2, ij3, ij4);

				{
					int i = ij4;
					if (i >= n) {
						a3 = transpose(a3);
						i -= n;
					}

					a = a3;

					vi p(n);
					rep(j, n) p[j] = a[i][j];

					vvi na(n);
					rep(j, n) na[p[j]] = a[j];
					i = p[i];
					a = move(na);

					while (a != a3) {
						if (ij4 >= n) {
							res.push_back({ 'C', i + 1 });
						}
						else {
							res.push_back({ 'R', i + 1 });
						}

						vi p(n);
						rep(j, n) p[j] = a[i][j];

						vvi na(n);
						rep(j, n) na[p[j]] = a[j];
						i = p[i];
						a = move(na);
					}
				}

				{
					int i = ij3;
					if (i >= n) {
						a2 = transpose(a2);
						i -= n;
					}

					a = a2;

					vi p(n);
					rep(j, n) p[j] = a[i][j];

					vvi na(n);
					rep(j, n) na[p[j]] = a[j];
					i = p[i];
					a = move(na);

					while (a != a2) {
						if (ij3 >= n) {
							res.push_back({ 'C', i + 1 });
						}
						else {
							res.push_back({ 'R', i + 1 });
						}

						vi p(n);
						rep(j, n) p[j] = a[i][j];

						vvi na(n);
						rep(j, n) na[p[j]] = a[j];
						i = p[i];
						a = move(na);
					}
				}

				{
					int i = ij2;
					if (i >= n) {
						a1 = transpose(a1);
						i -= n;
					}

					a = a1;

					vi p(n);
					rep(j, n) p[j] = a[i][j];

					vvi na(n);
					rep(j, n) na[p[j]] = a[j];
					i = p[i];
					a = move(na);

					while (a != a1) {
						if (ij2 >= n) {
							res.push_back({ 'C', i + 1 });
						}
						else {
							res.push_back({ 'R', i + 1 });
						}

						vi p(n);
						rep(j, n) p[j] = a[i][j];

						vvi na(n);
						rep(j, n) na[p[j]] = a[j];
						i = p[i];
						a = move(na);
					}
				}

				{
					int i = ij1;
					if (i >= n) {
						a0 = transpose(a0);
						i -= n;
					}

					a = a0;

					vi p(n);
					rep(j, n) p[j] = a[i][j];

					vvi na(n);
					rep(j, n) na[p[j]] = a[j];
					i = p[i];
					a = move(na);

					while (a != a0) {
						if (ij1 >= n) {
							res.push_back({ 'C', i + 1 });
						}
						else {
							res.push_back({ 'R', i + 1 });
						}

						vi p(n);
						rep(j, n) p[j] = a[i][j];

						vvi na(n);
						rep(j, n) na[p[j]] = a[j];
						i = p[i];
						a = move(na);
					}
				}

				cout << sz(res) << endl;
				for (auto [c, i] : res) cout << c << " " << i << endl;

				return 0;
			}
		}
		}
}
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