結果
問題 | No.1907 DETERMINATION |
ユーザー | 👑 rin204 |
提出日時 | 2023-10-29 17:57:08 |
言語 | C++23 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 691 ms / 4,000 ms |
コード長 | 26,412 bytes |
コンパイル時間 | 3,545 ms |
コンパイル使用メモリ | 270,008 KB |
実行使用メモリ | 7,168 KB |
最終ジャッジ日時 | 2024-09-25 16:50:36 |
合計ジャッジ時間 | 27,001 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge5 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 2 ms
6,816 KB |
testcase_01 | AC | 3 ms
6,816 KB |
testcase_02 | AC | 3 ms
6,944 KB |
testcase_03 | AC | 2 ms
6,940 KB |
testcase_04 | AC | 2 ms
6,940 KB |
testcase_05 | AC | 2 ms
6,940 KB |
testcase_06 | AC | 2 ms
6,940 KB |
testcase_07 | AC | 193 ms
6,944 KB |
testcase_08 | AC | 77 ms
6,940 KB |
testcase_09 | AC | 134 ms
6,940 KB |
testcase_10 | AC | 468 ms
6,944 KB |
testcase_11 | AC | 189 ms
6,944 KB |
testcase_12 | AC | 486 ms
6,940 KB |
testcase_13 | AC | 450 ms
6,940 KB |
testcase_14 | AC | 408 ms
6,940 KB |
testcase_15 | AC | 88 ms
6,944 KB |
testcase_16 | AC | 31 ms
6,944 KB |
testcase_17 | AC | 460 ms
6,940 KB |
testcase_18 | AC | 321 ms
6,940 KB |
testcase_19 | AC | 9 ms
6,944 KB |
testcase_20 | AC | 449 ms
6,944 KB |
testcase_21 | AC | 43 ms
6,944 KB |
testcase_22 | AC | 467 ms
6,944 KB |
testcase_23 | AC | 524 ms
6,940 KB |
testcase_24 | AC | 144 ms
6,940 KB |
testcase_25 | AC | 2 ms
6,944 KB |
testcase_26 | AC | 472 ms
6,944 KB |
testcase_27 | AC | 569 ms
6,944 KB |
testcase_28 | AC | 576 ms
7,040 KB |
testcase_29 | AC | 570 ms
6,948 KB |
testcase_30 | AC | 2 ms
6,940 KB |
testcase_31 | AC | 484 ms
7,040 KB |
testcase_32 | AC | 471 ms
6,940 KB |
testcase_33 | AC | 476 ms
6,944 KB |
testcase_34 | AC | 469 ms
6,948 KB |
testcase_35 | AC | 2 ms
6,940 KB |
testcase_36 | AC | 2 ms
6,940 KB |
testcase_37 | AC | 2 ms
6,944 KB |
testcase_38 | AC | 458 ms
7,040 KB |
testcase_39 | AC | 455 ms
6,944 KB |
testcase_40 | AC | 682 ms
7,040 KB |
testcase_41 | AC | 460 ms
7,040 KB |
testcase_42 | AC | 678 ms
6,940 KB |
testcase_43 | AC | 691 ms
7,040 KB |
testcase_44 | AC | 538 ms
7,040 KB |
testcase_45 | AC | 579 ms
6,940 KB |
testcase_46 | AC | 467 ms
6,944 KB |
testcase_47 | AC | 462 ms
6,944 KB |
testcase_48 | AC | 471 ms
7,040 KB |
testcase_49 | AC | 498 ms
7,040 KB |
testcase_50 | AC | 454 ms
7,168 KB |
testcase_51 | AC | 468 ms
7,040 KB |
testcase_52 | AC | 2 ms
6,944 KB |
testcase_53 | AC | 488 ms
6,940 KB |
testcase_54 | AC | 482 ms
6,940 KB |
testcase_55 | AC | 2 ms
6,940 KB |
testcase_56 | AC | 480 ms
6,940 KB |
testcase_57 | AC | 471 ms
6,940 KB |
testcase_58 | AC | 382 ms
7,040 KB |
testcase_59 | AC | 288 ms
7,040 KB |
testcase_60 | AC | 294 ms
6,940 KB |
testcase_61 | AC | 375 ms
6,944 KB |
testcase_62 | AC | 291 ms
6,944 KB |
testcase_63 | AC | 475 ms
6,948 KB |
testcase_64 | AC | 2 ms
6,940 KB |
testcase_65 | AC | 2 ms
6,944 KB |
testcase_66 | AC | 2 ms
6,944 KB |
ソースコード
// #pragma GCC target("avx2") // #pragma GCC optimize("O3") // #pragma GCC optimize("unroll-loops") #include <bits/stdc++.h> using namespace std; namespace templates { // type using ll = long long; using ull = unsigned long long; template <class T> using pq = priority_queue<T>; template <class T> using qp = priority_queue<T, vector<T>, greater<T>>; #define vec(T, A, ...) vector<T> A(__VA_ARGS__); #define vvec(T, A, h, ...) vector<vector<T>> A(h, vector<T>(__VA_ARGS__)); #define vvvec(T, A, h1, h2, ...) vector<vector<vector<T>>> A(h1, vector<vector<T>>(h2, vector<T>(__VA_ARGS__))); // for loop #define fori1(a) for (ll _ = 0; _ < (a); _++) #define fori2(i, a) for (ll i = 0; i < (a); i++) #define fori3(i, a, b) for (ll i = (a); i < (b); i++) #define fori4(i, a, b, c) for (ll i = (a); ((c) > 0 || i > (b)) && ((c) < 0 || i < (b)); i += (c)) #define overload4(a, b, c, d, e, ...) e #define fori(...) overload4(__VA_ARGS__, fori4, fori3, fori2, fori1)(__VA_ARGS__) // declare and input // clang-format off #define INT(...) int __VA_ARGS__; inp(__VA_ARGS__); #define LL(...) ll __VA_ARGS__; inp(__VA_ARGS__); #define STRING(...) string __VA_ARGS__; inp(__VA_ARGS__); #define CHAR(...) char __VA_ARGS__; inp(__VA_ARGS__); #define DOUBLE(...) double __VA_ARGS__; STRING(str___); __VA_ARGS__ = stod(str___); #define VEC(T, A, n) vector<T> A(n); inp(A); #define VVEC(T, A, n, m) vector<vector<T>> A(n, vector<T>(m)); inp(A); // clang-format on // const value const ll MOD1 = 1000000007; const ll MOD9 = 998244353; const double PI = acos(-1); // other macro #ifndef RIN__LOCAL #define endl "\n" #endif #define spa ' ' #define len(A) ll(A.size()) #define all(A) begin(A), end(A) // function vector<char> stoc(string &S) { int n = S.size(); vector<char> ret(n); for (int i = 0; i < n; i++) ret[i] = S[i]; return ret; } string ctos(vector<char> &S) { int n = S.size(); string ret = ""; for (int i = 0; i < n; i++) ret += S[i]; return ret; } template <class T> auto min(const T &a) { return *min_element(all(a)); } template <class T> auto max(const T &a) { return *max_element(all(a)); } template <class T, class S> auto clamp(T &a, const S &l, const S &r) { return (a > r ? r : a < l ? l : a); } template <class T, class S> inline bool chmax(T &a, const S &b) { return (a < b ? a = b, 1 : 0); } template <class T, class S> inline bool chmin(T &a, const S &b) { return (a > b ? a = b, 1 : 0); } template <class T, class S> inline bool chclamp(T &a, const S &l, const S &r) { auto b = clamp(a, l, r); return (a != b ? a = b, 1 : 0); } template <typename T> T sum(vector<T> &A) { T tot = 0; for (auto a : A) tot += a; return tot; } template <typename T> vector<T> compression(vector<T> X) { sort(all(X)); X.erase(unique(all(X)), X.end()); return X; } // input and output namespace io { // vector<T> template <typename T> istream &operator>>(istream &is, vector<T> &A) { for (auto &a : A) is >> a; return is; } template <typename T> ostream &operator<<(ostream &os, vector<T> &A) { for (size_t i = 0; i < A.size(); i++) { os << A[i]; if (i != A.size() - 1) os << ' '; } return os; } // vector<vector<T>> template <typename T> istream &operator>>(istream &is, vector<vector<T>> &A) { for (auto &a : A) is >> a; return is; } template <typename T> ostream &operator<<(ostream &os, vector<vector<T>> &A) { for (size_t i = 0; i < A.size(); i++) { os << A[i]; if (i != A.size() - 1) os << endl; } return os; } // pair<S, T> template <typename S, typename T> istream &operator>>(istream &is, pair<S, T> &A) { is >> A.first >> A.second; return is; } template <typename S, typename T> ostream &operator<<(ostream &os, pair<S, T> &A) { os << A.first << ' ' << A.second; return os; } // vector<pair<S, T>> template <typename S, typename T> istream &operator>>(istream &is, vector<pair<S, T>> &A) { for (size_t i = 0; i < A.size(); i++) { is >> A[i]; } return is; } template <typename S, typename T> ostream &operator<<(ostream &os, vector<pair<S, T>> &A) { for (size_t i = 0; i < A.size(); i++) { os << A[i]; if (i != A.size() - 1) os << endl; } return os; } // set<T> template <typename T> ostream &operator<<(ostream &os, set<T> &A) { for (auto itr = A.begin(); itr != A.end(); itr++) { os << *itr; if (next(itr) != A.end()) os << ' '; } return os; } // unordered_set<T> template <typename T> ostream &operator<<(ostream &os, unordered_set<T> &A) { for (auto itr = A.begin(); itr != A.end(); itr++) { os << *itr; if (next(itr) != A.end()) os << ' '; } return os; } // multiset<T> template <typename T> ostream &operator<<(ostream &os, multiset<T> &A) { for (auto itr = A.begin(); itr != A.end(); itr++) { os << *itr; if (next(itr) != A.end()) os << ' '; } return os; } // unordered_multiset<T> template <typename T> ostream &operator<<(ostream &os, unordered_multiset<T> &A) { for (auto itr = A.begin(); itr != A.end(); itr++) { os << *itr; if (next(itr) != A.end()) os << endl; } return os; } // map<S, T> template <typename S, typename T> ostream &operator<<(ostream &os, map<S, T> &A) { for (auto itr = A.begin(); itr != A.end(); itr++) { os << *itr; if (next(itr) != A.end()) os << endl; } return os; } // unordered_map<S, T> template <typename S, typename T> ostream &operator<<(ostream &os, unordered_map<S, T> &A) { for (auto itr = A.begin(); itr != A.end(); itr++) { os << *itr; if (next(itr) != A.end()) os << endl; } return os; } // tuple template <typename T, size_t N> struct TuplePrint { static ostream &print(ostream &os, const T &t) { TuplePrint<T, N - 1>::print(os, t); os << ' ' << get<N - 1>(t); return os; } }; template <typename T> struct TuplePrint<T, 1> { static ostream &print(ostream &os, const T &t) { os << get<0>(t); return os; } }; template <typename... Args> ostream &operator<<(ostream &os, const tuple<Args...> &t) { TuplePrint<decltype(t), sizeof...(Args)>::print(os, t); return os; } // queue<T> template <typename T> ostream &operator<<(ostream &os, queue<T> &A) { auto B = A; while (!B.empty()) { os << B.front(); B.pop(); if (!B.empty()) os << ' '; } return os; } // deque<T> template <typename T> ostream &operator<<(ostream &os, deque<T> &A) { auto B = A; while (!B.empty()) { os << B.front(); B.pop_front(); if (!B.empty()) os << ' '; } return os; } // stack<T> template <typename T> ostream &operator<<(ostream &os, stack<T> &A) { auto B = A; stack<T> C; while (!B.empty()) { C.push(B.top()); B.pop(); } while (!C.empty()) { os << C.top(); C.pop(); if (!C.empty()) os << ' '; } return os; } // priority_queue<T> template <typename T> ostream &operator<<(ostream &os, priority_queue<T> &A) { auto B = A; while (!B.empty()) { os << B.top(); B.pop(); if (!B.empty()) os << endl; } return os; } // bitset<N> template <size_t N> ostream &operator<<(ostream &os, bitset<N> &A) { for (size_t i = 0; i < N; i++) { os << A[i]; } return os; } // io functions void FLUSH() { cout << flush; } void print() { cout << endl; } template <class Head, class... Tail> void print(Head &&head, Tail &&...tail) { cout << head; if (sizeof...(Tail)) cout << spa; print(forward<Tail>(tail)...); } template <typename T, typename S> void prisep(vector<T> &A, S sep) { int n = A.size(); for (int i = 0; i < n; i++) { cout << A[i]; if (i != n - 1) cout << sep; } cout << endl; } template <typename T, typename S> void priend(T A, S end) { cout << A << end; } template <typename T> void prispa(T A) { priend(A, spa); } template <typename T, typename S> bool printif(bool f, T A, S B) { if (f) print(A); else print(B); return f; } template <class... T> void inp(T &...a) { (cin >> ... >> a); } } // namespace io using namespace io; // read graph vector<vector<int>> read_edges(int n, int m, bool direct = false, int indexed = 1) { vector<vector<int>> edges(n, vector<int>()); for (int i = 0; i < m; i++) { INT(u, v); u -= indexed; v -= indexed; edges[u].push_back(v); if (!direct) edges[v].push_back(u); } return edges; } vector<vector<int>> read_tree(int n, int indexed = 1) { return read_edges(n, n - 1, false, indexed); } template <typename T = long long> vector<vector<pair<int, T>>> read_wedges(int n, int m, bool direct = false, int indexed = 1) { vector<vector<pair<int, T>>> edges(n, vector<pair<int, T>>()); for (int i = 0; i < m; i++) { INT(u, v); T w; inp(w); u -= indexed; v -= indexed; edges[u].push_back({v, w}); if (!direct) edges[v].push_back({u, w}); } return edges; } template <typename T = long long> vector<vector<pair<int, T>>> read_wtree(int n, int indexed = 1) { return read_wedges<T>(n, n - 1, false, indexed); } // yes / no namespace yesno { // yes inline bool yes(bool f = true) { cout << (f ? "yes" : "no") << endl; return f; } inline bool Yes(bool f = true) { cout << (f ? "Yes" : "No") << endl; return f; } inline bool YES(bool f = true) { cout << (f ? "YES" : "NO") << endl; return f; } // no inline bool no(bool f = true) { cout << (!f ? "yes" : "no") << endl; return f; } inline bool No(bool f = true) { cout << (!f ? "Yes" : "No") << endl; return f; } inline bool NO(bool f = true) { cout << (!f ? "YES" : "NO") << endl; return f; } // possible inline bool possible(bool f = true) { cout << (f ? "possible" : "impossible") << endl; return f; } inline bool Possible(bool f = true) { cout << (f ? "Possible" : "Impossible") << endl; return f; } inline bool POSSIBLE(bool f = true) { cout << (f ? "POSSIBLE" : "IMPOSSIBLE") << endl; return f; } // impossible inline bool impossible(bool f = true) { cout << (!f ? "possible" : "impossible") << endl; return f; } inline bool Impossible(bool f = true) { cout << (!f ? "Possible" : "Impossible") << endl; return f; } inline bool IMPOSSIBLE(bool f = true) { cout << (!f ? "POSSIBLE" : "IMPOSSIBLE") << endl; return f; } // Alice Bob inline bool Alice(bool f = true) { cout << (f ? "Alice" : "Bob") << endl; return f; } inline bool Bob(bool f = true) { cout << (f ? "Bob" : "Alice") << endl; return f; } // Takahashi Aoki inline bool Takahashi(bool f = true) { cout << (f ? "Takahashi" : "Aoki") << endl; return f; } inline bool Aoki(bool f = true) { cout << (f ? "Aoki" : "Takahashi") << endl; return f; } } // namespace yesno using namespace yesno; } // namespace templates using namespace templates; template <typename type> struct Matrix { int n, m; vector<vector<type>> A; Matrix() = default; Matrix(int n, int m) : A(n, vector<type>(m, 0)), n(n), m(m) {} Matrix(int n) : A(n, vector<type>(n, 0)), n(n), m(n) {} Matrix(vector<vector<type>> A) : A(A), n(A.size()), m(A[0].size()) {} inline const vector<type> &operator[](int k) const { return (A.at(k)); } inline vector<type> &operator[](int k) { return (A.at(k)); } Matrix T() { Matrix<type> B(m, n); for (int i = 0; i < m; i++) for (int j = 0; j < n; j++) { B.A[i][j] = A[j][i]; } return B; } Matrix &operator+=(const Matrix &B) { assert(n == B.A.size()); assert(m == B.A[0].size()); for (int i = 0; i < n; i++) for (int j = 0; j < m; j++) { this->A[i][j] += B[i][j]; } return *this; } Matrix &operator-=(const Matrix &B) { assert(n == B.A.size()); assert(m == B.A[0].size()); for (int i = 0; i < n; i++) for (int j = 0; j < m; j++) { this->A[i][j] -= B[i][j]; } return *this; } Matrix &operator*=(const Matrix &B) { int k = B[0].size(); assert(m == B.A.size()); vector<vector<type>> C(n, vector<type>(k, 0)); for (int i = 0; i < n; i++) for (int j = 0; j < k; j++) { for (int l = 0; l < m; l++) { C[i][j] += this->A[i][l] * B[l][j]; } } swap(this->A, C); return *this; } template <typename Ti> Matrix &operator*=(const Ti x) { for (auto &row : A) { for (auto &e : row) { e *= x; } } return *this; } Matrix operator-() { return (Matrix(*this) *= -1); } Matrix operator+(const Matrix &B) const { return (Matrix(*this) += B); } Matrix operator-(const Matrix &B) const { return (Matrix(*this) -= B); } Matrix operator*(const Matrix &B) const { return (Matrix(*this) *= B); } type det() { auto arr = A; assert(n == m); type ret = 1; for (int i = 0; i < n; i++) { if (arr[i][i] == 0) { bool ng = true; for (int j = i + 1; j < n; j++) { if (arr[j][i] == 0) continue; swap(arr[i], arr[j]); ret *= -1; ng = false; break; } if (ng) return 0; } ret *= arr[i][i]; type inv = type(1) / arr[i][i]; for (int j = i; j < n; j++) arr[i][j] *= inv; for (int j = i + 1; j < n; j++) { type x = arr[j][i]; for (int k = i; k < n; k++) { arr[j][k] -= arr[i][k] * x; } } } return ret; } void I() { assert(n == m); for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) { if (i == j) A[i][j] = 1; else A[i][j] = 0; } } } Matrix<type> inv() { assert(n == m); Matrix<type> ret(n); ret.I(); auto &B = ret.A; auto arr = A; for (int j = 0; j < n; j++) { int ii = -1; for (int i = j; i < n; i++) { if (arr[i][j] != 0) { ii = i; break; } } if (ii == -1) { return {}; } swap(arr[j], arr[ii]); swap(B[j], B[ii]); ii = j; type inv = type(1) / arr[ii][j]; for (int jj = 0; jj < n; jj++) { B[ii][jj] *= inv; arr[ii][jj] *= inv; } for (int i = 0; i < n; i++) { if (i == ii) continue; type t = arr[i][j]; for (int jj = 0; jj < n; jj++) { arr[i][jj] -= arr[ii][jj] * t; B[i][jj] -= B[ii][jj] * t; } } } return ret; } int choose_pivot(int h, int c) { for (int j = h; j < n; j++) { if (A[j][c] != type(0)) return j; } return -1; } friend ostream &operator<<(ostream &os, const Matrix &p) { for (auto &row : p.A) { for (auto &x : row) { os << x << " "; } os << endl; } return (os); } friend istream &operator>>(istream &is, Matrix &p) { for (auto &row : p.A) { for (auto &x : row) { is >> x; } } return (is); } }; #include <bits/stdc++.h> template <typename T> void hessenberg_reduction(Matrix<T> &A) { assert(A.n == A.m); for (int r = 0; r < A.n - 2; r++) { int piv = A.choose_pivot(r + 1, r); if (piv < 0) continue; for (int i = 0; i < A.n; i++) { std::swap(A[r + 1][i], A[piv][i]); } for (int i = 0; i < A.n; i++) { std::swap(A[i][r + 1], A[i][piv]); } T inv = T(1) / A[r + 1][r]; for (int i = r + 2; i < A.n; i++) { T t = A[i][r] * inv; for (int j = 0; j < A.n; j++) { A[i][j] -= A[r + 1][j] * t; } for (int j = 0; j < A.n; j++) { A[j][r + 1] += A[j][i] * t; } } } } template <typename T> std::vector<T> characteristic_polynomial(Matrix<T> A) { hessenberg_reduction(A); if (A.n == 0) { return std::vector<T>{T(1)}; } std::vector<std::vector<T>> P(A.n + 1); P[0] = {T(1)}; for (int i = 0; i < A.n; i++) { P[i + 1].assign(i + 2, T(0)); for (int j = 0; j < i + 1; j++) { P[i + 1][j + 1] += P[i][j]; } for (int j = 0; j < i + 1; j++) { P[i + 1][j] -= P[i][j] * A[i][i]; } T x = T(1); for (int j = i - 1; j >= 0; j--) { x *= A[j + 1][j]; T h = -A[j][i] * x; for (int k = 0; k < j + 1; k++) { P[i + 1][k] += h * P[j][k]; } } } return P.back(); } template <typename T> std::vector<T> determinant_of_first_degree_poly_mat(Matrix<T> M0, Matrix<T> M1) { int n = M0.n; int cx = 0; T detAdetBinv = T(1); for (int p = 0; p < n; p++) { int pivot = M1.choose_pivot(p, p); if (pivot < 0) { if (++cx > n) { return std::vector<T>(n + 1); } for (int i = 0; i < p; i++) { T v = M1[i][p]; M1[i][p] = 0; for (int i2 = 0; i2 < n; i2++) { M0[i2][p] -= v * M0[i2][i]; } } for (int i = 0; i < n; i++) { std::swap(M0[i][p], M1[i][p]); } p--; continue; } if (pivot != p) { std::swap(M1[pivot], M1[p]); std::swap(M0[pivot], M0[p]); detAdetBinv *= -1; } T v = M1[p][p]; T vinv = T(1) / v; detAdetBinv *= v; for (int j = 0; j < n; j++) { M0[p][j] *= vinv; M1[p][j] *= vinv; } for (int i = 0; i < n; i++) { if (i == p) continue; T v = M1[i][p]; for (int j = 0; j < n; j++) { M0[i][j] -= v * M0[p][j]; M1[i][j] -= v * M1[p][j]; } } } M0 *= -1; auto poly = characteristic_polynomial(M0); poly.erase(poly.begin(), poly.begin() + cx); for (size_t i = 0; i < poly.size(); i++) { poly[i] *= detAdetBinv; } poly.resize(n + 1); return poly; } template <int MOD> struct Modint { int x; Modint() : x(0) {} Modint(int64_t y) { if (y >= 0) x = y % MOD; else x = (y % MOD + MOD) % MOD; } Modint &operator+=(const Modint &p) { x += p.x; if (x >= MOD) x -= MOD; return *this; } Modint &operator-=(const Modint &p) { x -= p.x; if (x < 0) x += MOD; return *this; } Modint &operator*=(const Modint &p) { x = int(1LL * x * p.x % MOD); return *this; } Modint &operator/=(const Modint &p) { *this *= p.inverse(); return *this; } Modint &operator%=(const Modint &p) { assert(p.x == 0); return *this; } Modint operator-() const { return Modint(-x); } Modint &operator++() { x++; if (x == MOD) x = 0; return *this; } Modint &operator--() { if (x == 0) x = MOD; x--; return *this; } Modint operator++(int) { Modint result = *this; ++*this; return result; } Modint operator--(int) { Modint result = *this; --*this; return result; } friend Modint operator+(const Modint &lhs, const Modint &rhs) { return Modint(lhs) += rhs; } friend Modint operator-(const Modint &lhs, const Modint &rhs) { return Modint(lhs) -= rhs; } friend Modint operator*(const Modint &lhs, const Modint &rhs) { return Modint(lhs) *= rhs; } friend Modint operator/(const Modint &lhs, const Modint &rhs) { return Modint(lhs) /= rhs; } friend Modint operator%(const Modint &lhs, const Modint &rhs) { assert(rhs.x == 0); return Modint(lhs); } bool operator==(const Modint &p) const { return x == p.x; } bool operator!=(const Modint &p) const { return x != p.x; } bool operator<(const Modint &rhs) const { return x < rhs.x; } bool operator<=(const Modint &rhs) const { return x <= rhs.x; } bool operator>(const Modint &rhs) const { return x > rhs.x; } bool operator>=(const Modint &rhs) const { return x >= rhs.x; } Modint inverse() const { int a = x, b = MOD, u = 1, v = 0, t; while (b > 0) { t = a / b; a -= t * b; u -= t * v; swap(a, b); swap(u, v); } return Modint(u); } Modint pow(int64_t k) const { Modint ret(1); Modint y(x); while (k > 0) { if (k & 1) ret *= y; y *= y; k >>= 1; } return ret; } friend ostream &operator<<(ostream &os, const Modint &p) { return os << p.x; } friend istream &operator>>(istream &is, Modint &p) { int64_t y; is >> y; p = Modint<MOD>(y); return (is); } static int get_mod() { return MOD; } }; struct Arbitrary_Modint { int x; static int MOD; static void set_mod(int mod) { MOD = mod; } Arbitrary_Modint() : x(0) {} Arbitrary_Modint(int64_t y) { if (y >= 0) x = y % MOD; else x = (y % MOD + MOD) % MOD; } Arbitrary_Modint &operator+=(const Arbitrary_Modint &p) { x += p.x; if (x >= MOD) x -= MOD; return *this; } Arbitrary_Modint &operator-=(const Arbitrary_Modint &p) { x -= p.x; if (x < 0) x += MOD; return *this; } Arbitrary_Modint &operator*=(const Arbitrary_Modint &p) { x = int(1LL * x * p.x % MOD); return *this; } Arbitrary_Modint &operator/=(const Arbitrary_Modint &p) { *this *= p.inverse(); return *this; } Arbitrary_Modint &operator%=(const Arbitrary_Modint &p) { assert(p.x == 0); return *this; } Arbitrary_Modint operator-() const { return Arbitrary_Modint(-x); } Arbitrary_Modint &operator++() { x++; if (x == MOD) x = 0; return *this; } Arbitrary_Modint &operator--() { if (x == 0) x = MOD; x--; return *this; } Arbitrary_Modint operator++(int) { Arbitrary_Modint result = *this; ++*this; return result; } Arbitrary_Modint operator--(int) { Arbitrary_Modint result = *this; --*this; return result; } friend Arbitrary_Modint operator+(const Arbitrary_Modint &lhs, const Arbitrary_Modint &rhs) { return Arbitrary_Modint(lhs) += rhs; } friend Arbitrary_Modint operator-(const Arbitrary_Modint &lhs, const Arbitrary_Modint &rhs) { return Arbitrary_Modint(lhs) -= rhs; } friend Arbitrary_Modint operator*(const Arbitrary_Modint &lhs, const Arbitrary_Modint &rhs) { return Arbitrary_Modint(lhs) *= rhs; } friend Arbitrary_Modint operator/(const Arbitrary_Modint &lhs, const Arbitrary_Modint &rhs) { return Arbitrary_Modint(lhs) /= rhs; } friend Arbitrary_Modint operator%(const Arbitrary_Modint &lhs, const Arbitrary_Modint &rhs) { assert(rhs.x == 0); return Arbitrary_Modint(lhs); } bool operator==(const Arbitrary_Modint &p) const { return x == p.x; } bool operator!=(const Arbitrary_Modint &p) const { return x != p.x; } bool operator<(const Arbitrary_Modint &rhs) { return x < rhs.x; } bool operator<=(const Arbitrary_Modint &rhs) { return x <= rhs.x; } bool operator>(const Arbitrary_Modint &rhs) { return x > rhs.x; } bool operator>=(const Arbitrary_Modint &rhs) { return x >= rhs.x; } Arbitrary_Modint inverse() const { int a = x, b = MOD, u = 1, v = 0, t; while (b > 0) { t = a / b; a -= t * b; u -= t * v; swap(a, b); swap(u, v); } return Arbitrary_Modint(u); } Arbitrary_Modint pow(int64_t k) const { Arbitrary_Modint ret(1); Arbitrary_Modint y(x); while (k > 0) { if (k & 1) ret *= y; y *= y; k >>= 1; } return ret; } friend ostream &operator<<(ostream &os, const Arbitrary_Modint &p) { return os << p.x; } friend istream &operator>>(istream &is, Arbitrary_Modint &p) { int64_t y; is >> y; p = Arbitrary_Modint(y); return (is); } static int get_mod() { return MOD; } }; int Arbitrary_Modint::MOD = 998244353; using modint9 = Modint<998244353>; using modint1 = Modint<1000000007>; using modint = Arbitrary_Modint; using mint = modint9; void solve() { INT(n); Matrix<mint> M0(n); Matrix<mint> M1(n); inp(M0, M1); auto res = determinant_of_first_degree_poly_mat(M0, M1); prisep(res, "\n"); } int main() { cin.tie(0)->sync_with_stdio(0); // cout << fixed << setprecision(12); int t; t = 1; // cin >> t; while (t--) solve(); return 0; }