結果

問題 No.1907 DETERMINATION
コンテスト
ユーザー Misuki
提出日時 2026-03-12 15:43:14
言語 C++23
(gcc 15.2.0 + boost 1.89.0)
コンパイル:
g++-15 -O2 -lm -std=c++23 -Wuninitialized -DONLINE_JUDGE -o a.out _filename_
実行:
./a.out
結果
AC  
実行時間 1,498 ms / 4,000 ms
コード長 18,449 bytes
記録
記録タグの例:
初AC ショートコード 純ショートコード 純主流ショートコード 最速実行時間
コンパイル時間 7,586 ms
コンパイル使用メモリ 314,984 KB
実行使用メモリ 11,392 KB
最終ジャッジ日時 2026-03-12 15:44:29
合計ジャッジ時間 72,689 ms
ジャッジサーバーID
(参考情報)
judge3_0 / judge1_0
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 * 63
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 #
raw source code

#include <algorithm>
#include <array>
#include <bitset>
#include <cassert>
#include <cctype>
#include <cfenv>
#include <cfloat>
#include <chrono>
#include <cinttypes>
#include <climits>
#include <cmath>
#include <complex>
#include <cstdarg>
#include <cstddef>
#include <cstdint>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <deque>
#include <fstream>
#include <functional>
#include <initializer_list>
#include <iomanip>
#include <ios>
#include <iostream>
#include <istream>
#include <iterator>
#include <limits>
#include <list>
#include <map>
#include <memory>
#include <new>
#include <numeric>
#include <ostream>
#include <queue>
#include <random>
#include <set>
#include <sstream>
#include <stack>
#include <streambuf>
#include <string>
#include <tuple>
#include <type_traits>
#include <variant>
#include <bit>
#include <compare>
#include <concepts>
#include <numbers>
#include <ranges>
#include <span>

#define int ll
#define INT128_MAX (__int128)(((unsigned __int128) 1 << ((sizeof(__int128) * __CHAR_BIT__) - 1)) - 1)
#define INT128_MIN (-INT128_MAX - 1)

#define pb push_back
#define eb emplace_back
#define clock chrono::steady_clock::now().time_since_epoch().count()

using namespace std;

template<size_t I = 0, typename... args>
ostream& print_tuple(ostream& os, const tuple<args...> tu) {
  os << get<I>(tu);
  if constexpr (I + 1 != sizeof...(args)) {
    os << ' ';
    print_tuple<I + 1>(os, tu);
  }
  return os;
}
template<typename... args>
ostream& operator<<(ostream& os, const tuple<args...> tu) {
  return print_tuple(os, tu);
}
template<class T1, class T2>
ostream& operator<<(ostream& os, const pair<T1, T2> pr) {
  return os << pr.first << ' ' << pr.second;
}
template<class T, size_t N>
ostream& operator<<(ostream& os, const array<T, N> &arr) {
  for(size_t i = 0; T x : arr) {
    os << x;
    if (++i != N) os << ' ';
  }
  return os;
}
template<class T>
ostream& operator<<(ostream& os, const vector<T> &vec) {
  for(size_t i = 0; T x : vec) {
    os << x;
    if (++i != size(vec)) os << ' ';
  }
  return os;
}
template<class T>
ostream& operator<<(ostream& os, const set<T> &s) {
  for(size_t i = 0; T x : s) {
    os << x;
    if (++i != size(s)) os << ' ';
  }
  return os;
}
template<class T>
ostream& operator<<(ostream& os, const multiset<T> &s) {
  for(size_t i = 0; T x : s) {
    os << x;
    if (++i != size(s)) os << ' ';
  }
  return os;
}
template<class T1, class T2>
ostream& operator<<(ostream& os, const map<T1, T2> &m) {
  for(size_t i = 0; pair<T1, T2> x : m) {
    os << x.first << " : " << x.second;
    if (++i != size(m)) os << ", ";
  }
  return os;
}

#ifdef DEBUG
#define dbg(...) cerr << '(', _do(#__VA_ARGS__), cerr << ") = ", _do2(__VA_ARGS__)
template<typename T> void _do(T &&x) { cerr << x; }
template<typename T, typename ...S> void _do(T &&x, S&&...y) { cerr << x << ", "; _do(y...); }
template<typename T> void _do2(T &&x) { cerr << x << endl; }
template<typename T, typename ...S> void _do2(T &&x, S&&...y) { cerr << x << ", "; _do2(y...); }
#else
#define dbg(...)
#endif

using ll = long long;
using ull = unsigned long long;
using ldb = long double;
using pii = pair<int, int>;
using pll = pair<ll, ll>;
//#define double ldb

template<typename T> using vc = vector<T>;
template<typename T> using vvc = vc<vc<T>>;
template<typename T> using vvvc = vc<vvc<T>>;

using vi = vc<int>;
using vll = vc<ll>;
using vvi = vvc<int>;
using vvll = vvc<ll>;

template<typename T> using min_heap = priority_queue<T, vc<T>, greater<T>>;
template<typename T> using max_heap = priority_queue<T>;

template<typename R, typename F, typename... Args>
concept R_invocable = requires(F&& f, Args&&... args) {
  { std::invoke(std::forward<F>(f), std::forward<Args>(args)...) } -> std::same_as<R>;
};
template<ranges::forward_range rng, class T = ranges::range_value_t<rng>, typename F>
requires R_invocable<T, F, T, T>
void pSum(rng &&v, F f) {
  if (!v.empty())
    for(T p = *v.begin(); T &x : v | views::drop(1))
      x = p = f(p, x);
}
template<ranges::forward_range rng, class T = ranges::range_value_t<rng>>
void pSum(rng &&v) {
  if (!v.empty())
    for(T p = *v.begin(); T &x : v | views::drop(1))
      x = p = p + x;
}

template<ranges::forward_range rng>
void Unique(rng &v) {
  ranges::sort(v);
  v.resize(unique(v.begin(), v.end()) - v.begin());
}

template<ranges::random_access_range rng>
rng invPerm(rng p) {
  rng ret = p;
  for(int i = 0; i < ssize(p); i++)
    ret[p[i]] = i;
  return ret;
}

template<ranges::random_access_range rng>
vi argSort(rng p) {
  vi id(size(p));
  iota(id.begin(), id.end(), 0);
  ranges::sort(id, {}, [&](int i) { return pair(p[i], i); });
  return id;
}

template<ranges::random_access_range rng, class T = ranges::range_value_t<rng>, typename F>
requires invocable<F, T&>
vi argSort(rng p, F proj) {
  vi id(size(p));
  iota(id.begin(), id.end(), 0);
  ranges::sort(id, {}, [&](int i) { return pair(proj(p[i]), i); });
  return id;
}

template<bool directed>
vvi read_graph(int n, int m, int base) {
  vvi g(n);
  for(int i = 0; i < m; i++) {
    int u, v; cin >> u >> v;
    u -= base, v -= base;
    g[u].emplace_back(v);
    if constexpr (!directed)
      g[v].emplace_back(u);
  }
  return g;
}

template<bool directed>
vvi adjacency_list(int n, vc<pii> e, int base) {
  vvi g(n);
  for(auto [u, v] : e) {
    u -= base, v -= base;
    g[u].emplace_back(v);
    if constexpr (!directed)
      g[v].emplace_back(u);
  }
  return g;
}

template<class T>
vc<pii> equal_subarrays(vc<T> &v) {
  vc<pii> lr;
  for(int i = 0, j = 0; i < ssize(v); i = j) {
    while(j < ssize(v) and v[i] == v[j]) j++;
    lr.eb(i, j);
  }
  return lr;
}

template<class T, typename F>
requires invocable<F, T&>
vc<pii> equal_subarrays(vc<T> &v, F proj) {
  vc<pii> lr;
  for(int i = 0, j = 0; i < ssize(v); i = j) {
    while(j < ssize(v) and proj(v[i]) == proj(v[j])) j++;
    lr.eb(i, j);
  }
  return lr;
}

template<class T>
void setBit(T &msk, int bit, bool x) { (msk &= ~(T(1) << bit)) |= T(x) << bit; }
template<class T> void onBit(T &msk, int bit) { setBit(msk, bit, true); }
template<class T> void offBit(T &msk, int bit) { setBit(msk, bit, false); }
template<class T> void flipBit(T &msk, int bit) { msk ^= T(1) << bit; }
template<class T> bool getBit(T msk, int bit) { return msk >> bit & T(1); }

template<class T>
T floorDiv(T a, T b) {
  if (b < 0) a *= -1, b *= -1;
  return a >= 0 ? a / b : (a - b + 1) / b;
}
template<class T>
T ceilDiv(T a, T b) {
  if (b < 0) a *= -1, b *= -1;
  return a >= 0 ? (a + b - 1) / b : a / b;
}

template<class T> bool chmin(T &a, T b) { return a > b ? a = b, 1 : 0; }
template<class T> bool chmax(T &a, T b) { return a < b ? a = b, 1 : 0; }

//reference: https://github.com/NyaanNyaan/library/blob/master/modint/montgomery-modint.hpp#L10
//note: mod should be an odd prime less than 2^30.

template<uint32_t mod>
struct MontgomeryModInt {
  using mint = MontgomeryModInt;
  using i32 = int32_t;
  using u32 = uint32_t;
  using u64 = uint64_t;

  static constexpr u32 get_r() {
    u32 res = 1, base = mod;
    for(i32 i = 0; i < 31; i++)
      res *= base, base *= base;
    return -res;
  }

  static constexpr u32 get_mod() {
    return mod;
  }

  static constexpr u32 n2 = -u64(mod) % mod; //2^64 % mod
  static constexpr u32 r = get_r(); //-P^{-1} % 2^32

  u32 a;

  static u32 reduce(const u64 &b) {
    return (b + u64(u32(b) * r) * mod) >> 32;
  }

  static u32 transform(const u64 &b) {
    return reduce(u64(b) * n2);
  }

  MontgomeryModInt() : a(0) {}
  MontgomeryModInt(const int64_t &b) 
    : a(transform(b % mod + mod)) {}

  mint pow(u64 k) const {
    mint res(1), base(*this);
    while(k) {
      if (k & 1) 
        res *= base;
      base *= base, k >>= 1;
    }
    return res;
  }

  mint inverse() const { return (*this).pow(mod - 2); }

  u32 get() const {
    u32 res = reduce(a);
    return res >= mod ? res - mod : res;
  }

  mint& operator+=(const mint &b) {
    if (i32(a += b.a - 2 * mod) < 0) a += 2 * mod;
    return *this;
  }

  mint& operator-=(const mint &b) {
    if (i32(a -= b.a) < 0) a += 2 * mod;
    return *this;
  }

  mint& operator*=(const mint &b) {
    a = reduce(u64(a) * b.a);
    return *this;
  }

  mint& operator/=(const mint &b) {
    a = reduce(u64(a) * b.inverse().a);
    return *this;
  }

  mint operator-() { return mint() - mint(*this); }
  bool operator==(mint b) const {
    return (a >= mod ? a - mod : a) == (b.a >= mod ? b.a - mod : b.a);
  }
  bool operator!=(mint b) const {
    return (a >= mod ? a - mod : a) != (b.a >= mod ? b.a - mod : b.a);
  }

  friend mint operator+(mint c, mint d) { return c += d; }
  friend mint operator-(mint c, mint d) { return c -= d; }
  friend mint operator*(mint c, mint d) { return c *= d; }
  friend mint operator/(mint c, mint d) { return c /= d; }

  friend ostream& operator<<(ostream& os, const mint& b) {
    return os << b.get();
  }
  friend istream& operator>>(istream& is, mint& b) {
    int64_t val;
    is >> val;
    b = mint(val);
    return is;
  }
};

//using mint = MontgomeryModInt<1'000'000'007>;
using mint = MontgomeryModInt<998'244'353>;

//#include<modint/MontgomeryModInt.cpp>

template<class Mint>
struct binomial {
  vector<Mint> _fac, _facInv;
  binomial(int size) : _fac(size), _facInv(size) {
    assert(size <= (int)Mint::get_mod());
    _fac[0] = 1;
    for(int i = 1; i < size; i++)
      _fac[i] = _fac[i - 1] * i;
    if (size > 0)
      _facInv.back() = 1 / _fac.back();
    for(int i = size - 2; i >= 0; i--)
      _facInv[i] = _facInv[i + 1] * (i + 1);
  }

  Mint fac(int i) { return i < 0 ? 0 : _fac[i]; }
  Mint faci(int i) { return i < 0 ? 0 : _facInv[i]; }
  Mint inv(int i) { return _facInv[i] * _fac[i - 1]; }
  Mint binom(int n, int r) { return r < 0 or n < r ? 0 : fac(n) * faci(r) * faci(n - r); }
  Mint catalan(int i) { return binom(2 * i, i) - binom(2 * i, i + 1); }
  Mint excatalan(int n, int m, int k) { //(+1) * n, (-1) * m, prefix sum > -k
    if (k > m) return binom(n + m, m);
    else if (k > m - n) return binom(n + m, m) - binom(n + m, m - k);
    else return Mint(0);
  }
};

template<class Mint>
struct matrix : vector<vector<Mint>> {
  matrix(int n, int m) : vector<vector<Mint>>(n, vector<Mint>(m, 0)) {}
  matrix(int n) : vector<vector<Mint>>(n, vector<Mint>(n, 0)) {}
  matrix(vvc<Mint> M) : vvc<Mint>(M) {}

  int n() const { return ssize(*this); }
  int m() const { return n() == 0 ? 0 : ssize((*this)[0]); }

  static matrix I(int n) {
    auto res = matrix(n, n);
    for(int i = 0; i < n; i++)
      res[i][i] = 1;
    return res;
  }

  matrix& operator+=(const matrix &b) {
    assert(n() == b.n());
    assert(m() == b.m());
    for(int i = 0; i < n(); i++)
      for(int j = 0; j < m(); j++)
        (*this)[i][j] += b[i][j];
    return *this;
  }

  matrix& operator-=(const matrix &b) {
    assert(n() == b.n());
    assert(m() == b.m());
    for(int i = 0; i < n(); i++)
      for(int j = 0; j < m(); j++)
        (*this)[i][j] -= b[i][j];
    return *this;
  }

  matrix& operator*=(const matrix &b) {
    assert(m() == b.n());
    auto res = matrix(n(), b.m());
    for(int i = 0; i < n(); i++)
      for(int k = 0; k < m(); k++)
        for(int j = 0; j < b.m(); j++)
          res[i][j] += (*this)[i][k] * b[k][j];
    this -> swap(res);
    return *this;
  }

  matrix pow(ll k) const {
    assert(n() == m());
    auto res = I(n()), base = *this;
    while(k) {
      if (k & 1) res *= base;
      base *= base, k >>= 1;
    }
    return res;
  }

  tuple<matrix, vector<int>, int> eliminate() {
    int sgn = 1;
    matrix M = *this;
    vector<int> pivot_row;
    for(int row = 0, col = 0; row < n() and col < m(); col++) {
      int p_row = -1;
      for(int i = row; i < n() and p_row == -1; i++)
        if (M[i][col] != 0) 
          p_row = i;
      if (p_row == -1) continue;
      pivot_row.emplace_back(row);
      if (row != p_row) {
        for(int j = col; j < m(); j++)
          swap(M[row][j], M[p_row][j]);
        sgn *= -1;
      }
      for(int i = 0; i < n(); i++) {
        if (i == row or M[i][col] == 0) continue;
        Mint s = M[i][col] / M[row][col];
        for(int j = col; j < m(); j++)
          M[i][j] -= M[row][j] * s;
      }
      row++;
    }
    return {M, pivot_row, sgn};
  }

  Mint det() {
    assert(n() == m());
    auto [M, pr, sgn] = eliminate();
    if (ssize(pr) != n()) {
      return Mint(0);
    } else {
      Mint d = sgn;
      for(int i = 0; i < n(); i++)
        d *= M[i][i];
      return d;
    }
  }

  int rank() {
    return get<1>(eliminate()).size();
  }

  pair<bool, matrix> inv() {
    assert(n() == m());
    matrix M(n(), 2 * n());
    for(int i = 0; i < n(); i++) {
      for(int j = 0; j < n(); j++)
        M[i][j] = (*this)[i][j];
      M[i][n() + i] = 1;
    }
    matrix tmp = get<0>(M.eliminate());
    matrix MI(n(), n());
    for(int i = 0; i < n(); i++) {
      if (tmp[i][i] == 0) return {false, matrix(0, 0)};
      Mint r = tmp[i][i].inverse();
      for(int j = 0; j < n(); j++)
        MI[i][j] = tmp[i][j + n()] * r;
    }
    return {true, MI};
  }

  pair<vector<Mint>, matrix> solve_linear(vector<Mint> b) {
    assert(n() == ssize(b));

    matrix M(n(), m() + 1);
    for(int i = 0; i < n(); i++) {
      for(int j = 0; j < m(); j++)
        M[i][j] = (*this)[i][j];
      M[i][m()] = b[i];
    }

    auto [N, pr, _] = M.eliminate();
    vector<Mint> x(m());
    vector<int> where(m(), -1), inv_where(m(), -1);
    for(int row : pr) {
      int col = 0;
      while(N[row][col] == 0) col++;
      if (col < m())
        where[col] = row, inv_where[row] = col;
    }

    for(int i = 0; i < m(); i++)
      if (where[i] != -1)
        x[i] = N[where[i]][m()] / N[where[i]][i];

    for(int i = 0; i < n(); i++) {
      Mint s = -N[i][m()];
      for(int j = 0; j < m(); j++)
        s += x[j] * N[i][j];
      if (s != Mint(0))
        return {vector<Mint>(), matrix(0)};
    }

    matrix basis(m() - ssize(pr), m());
    for(int col = 0, last_row = 0, k = 0; col < m(); col++) {
      if (where[col] != -1) {
        last_row = where[col];
      } else {
        basis[k][col] = 1;
        for(int i = 0; i <= last_row; i++)
          basis[k][inv_where[i]] = -N[i][col] / N[i][inv_where[i]];
        k++;
      }
    }

    return {x, basis};
  }

  matrix operator-() { return matrix(n(), m()) - (*this); }
  
  friend matrix operator+(matrix a, matrix b) { return a += b; }
  friend matrix operator-(matrix a, matrix b) { return a -= b; }
  friend matrix operator*(matrix a, matrix b) { return a *= b; }
  
  friend ostream& operator<<(ostream& os, const matrix& b) {
    for(int i = 0; i < b.n(); i++) {
      os << '\n';
      for(int j = 0; j < b.m(); j++)
        os << b[i][j] << ' ';
    }
    return os;
  }
  friend istream& operator>>(istream& is, matrix& b) {
    for(int i = 0; i < b.n(); i++)
      for(int j = 0; j < b.m(); j++)
        is >> b[i][j];
    return is;
  }
};

template<class Mint>
array<Mint, 2> operator+(array<Mint, 2> a, array<Mint, 2> b) {
  return {a[0] + b[0], a[1] + b[1]};
}
template<class Mint>
array<Mint, 2> operator-(array<Mint, 2> a, array<Mint, 2> b) {
  return {a[0] - b[0], a[1] - b[1]};
}
template<class Mint>
array<Mint, 2> operator*(Mint m, array<Mint, 2> b) {
  return {m * b[0], m * b[1]};
}

template<class Mint>
vc<Mint> characteristic_polynomial(vvc<Mint> M) {
  if (M.empty()) return {1};
  assert(size(M) == size(M[0]));
  const int N = size(M);

  vc P(N, vc<array<Mint, 2>>(N));
  for(int i = 0; i < N; i++)
    for(int j = 0; j < N; j++)
      P[i][j] = {-M[i][j], i == j};

  //reduce to lower Hessenberg Matrix
  for(int r = 0; r < N - 2; r++) {
    const int c = r + 1;
    int i = c;
    while(i < N and P[r][i][0] == 0) i++;
    if (i == N) continue;
    if (i > c) {
      P[i].swap(P[c]);
      for(int j = 0; j < N; j++)
        swap(P[j][i], P[j][c]);
    }
    Mint inv = P[r][c][0].inverse();
    for(int j = c + 1; j < N; j++) {
      Mint R = -inv * P[r][j][0];
      for(int k = 0; k < N; k++)
        P[k][j] = P[k][j] + R * P[k][c];
    }

    for(int j = r + 2; j < N; j++) {
      Mint R = -P[r + 1][j][1];
      for(int k = 0; k < N; k++)
        P[r + 1][k] = P[r + 1][k] + R * P[j][k];
    }
  }

  auto add = [&](vector<Mint> a, vector<Mint> b) {
    if (ssize(a) < ssize(b)) a.resize(size(b));
    for(int i = 0; i < ssize(b); i++)
      a[i] += b[i];
    return a;
  };
  auto mul = [&](vector<Mint> &a, array<Mint, 2> b) {
    vector<Mint> c(ssize(a) + 1);
    for(int i = 0; i < ssize(a); i++) {
      c[i] += a[i] * b[0];
      c[i + 1] += a[i] * b[1];
    }
    return c;
  };
  auto neg = [&](array<Mint, 2> a) { return array<Mint, 2>{-a[0], -a[1]}; };

  for(int i = 0; i < N; i++)
    for(int j = 0; j < N; j++)
      assert((i == j) xor (P[i][j][1] == 0));
  for(int i = 0; i < N; i++)
    for(int j = i + 2; j < N; j++)
      assert(P[i][j][0] == 0);

  //DP
  vc dp(1, vc<Mint>{1});
  for(int i = 0; i < N - 1; i++) {
    vc<vc<Mint>> nxt(i + 2);
    for(int j = 0; j < ssize(dp); j++) {
      nxt[j] = add(nxt[j], mul(dp[j], P[i][i + 1]));
      nxt[i + 1] = add(nxt[i + 1], mul(dp[j], (i - j) % 2 ? neg(P[i][j]) : P[i][j]));
    }
    dp.swap(nxt);
  }

  vc<Mint> C = {0};
  for(int j = 0; j < N; j++)
    C = add(C, mul(dp[j], (N - 1 - j) % 2 ? neg(P[N - 1][j]) : P[N - 1][j]));

  return C;
}

//compute det(M0 + M1x) with N/MOD probability to fail
template<class Mint>
auto det_poly(matrix<Mint> M0, matrix<Mint> M1) {
  const int N = ssize(M0);
  assert(N > 0 and ssize(M1) == N and ssize(M0[0]) == N and ssize(M1[0]) == N);

  mt19937_64 rng(clock);

  mint a = rng() % Mint::get_mod();
  for(int i = 0; i < N; i++)
    for(int j = 0; j < N; j++)
      M0[i][j] += a * M1[i][j];
  swap(M0, M1);

  auto [ok, M1I] = M1.inv();
  if (!ok) return pair(false, vc<Mint>(N + 1, 0));

  auto p = characteristic_polynomial(-M1I * M0);
  mint inv_det = M1I.det().inverse();
  for(mint &x : p) x *= inv_det;

  vc<Mint> q(N + 1);
  for(int i = 0; i < ssize(p); i++)
    q[N - i] = p[i];

  binomial<Mint> bn(N + 1);

  vc<Mint> r(N + 1);
  for(int i = 0; i < ssize(q); i++) {
    mint mul = 1;
    for(int j = 0; j <= i; j++, mul *= -a)
      r[i - j] += q[i] * mul * bn.binom(i, j);
  }

  return pair(true, r);
}

signed main() {
  ios::sync_with_stdio(false), cin.tie(NULL);

  int n; cin >> n;
  matrix<mint> M0(n, n), M1(n, n);
  cin >> M0 >> M1;
  for(mint x : det_poly(M0, M1).second)
    cout << x << '\n';

  return 0;
}
0