結果
| 問題 |
No.1907 DETERMINATION
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2022-04-16 10:57:31 |
| 言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 1,353 ms / 4,000 ms |
| コード長 | 7,585 bytes |
| コンパイル時間 | 2,610 ms |
| コンパイル使用メモリ | 208,224 KB |
| 最終ジャッジ日時 | 2025-01-28 18:52:26 |
|
ジャッジサーバーID (参考情報) |
judge5 / judge5 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 4 |
| other | AC * 63 |
ソースコード
#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for (int i = 0; i < n; i++)
#define rep2(i, x, n) for (int i = x; i <= n; i++)
#define rep3(i, x, n) for (int i = x; i >= n; i--)
#define each(e, v) for (auto &e : v)
#define pb push_back
#define eb emplace_back
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
#define sz(x) (int)x.size()
using ll = long long;
using pii = pair<int, int>;
using pil = pair<int, ll>;
using pli = pair<ll, int>;
using pll = pair<ll, ll>;
template <typename T>
bool chmax(T &x, const T &y) {
return (x < y) ? (x = y, true) : false;
}
template <typename T>
bool chmin(T &x, const T &y) {
return (x > y) ? (x = y, true) : false;
}
template <typename T>
int flg(T x, int i) {
return (x >> i) & 1;
}
template <typename T>
void print(const vector<T> &v, T x = 0) {
int n = v.size();
for (int i = 0; i < n; i++) cout << v[i] + x << (i == n - 1 ? '\n' : ' ');
if (v.empty()) cout << '\n';
}
template <typename T>
void printn(const vector<T> &v, T x = 0) {
int n = v.size();
for (int i = 0; i < n; i++) cout << v[i] + x << '\n';
}
template <typename T>
int lb(const vector<T> &v, T x) {
return lower_bound(begin(v), end(v), x) - begin(v);
}
template <typename T>
int ub(const vector<T> &v, T x) {
return upper_bound(begin(v), end(v), x) - begin(v);
}
template <typename T>
void rearrange(vector<T> &v) {
sort(begin(v), end(v));
v.erase(unique(begin(v), end(v)), end(v));
}
template <typename T>
vector<int> id_sort(const vector<T> &v, bool greater = false) {
int n = v.size();
vector<int> ret(n);
iota(begin(ret), end(ret), 0);
sort(begin(ret), end(ret), [&](int i, int j) { return greater ? v[i] > v[j] : v[i] < v[j]; });
return ret;
}
template <typename S, typename T>
pair<S, T> operator+(const pair<S, T> &p, const pair<S, T> &q) {
return make_pair(p.first + q.first, p.second + q.second);
}
template <typename S, typename T>
pair<S, T> operator-(const pair<S, T> &p, const pair<S, T> &q) {
return make_pair(p.first - q.first, p.second - q.second);
}
template <typename S, typename T>
istream &operator>>(istream &is, pair<S, T> &p) {
S a;
T b;
is >> a >> b;
p = make_pair(a, b);
return is;
}
template <typename S, typename T>
ostream &operator<<(ostream &os, const pair<S, T> &p) {
return os << p.first << ' ' << p.second;
}
struct io_setup {
io_setup() {
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cout << fixed << setprecision(15);
}
} io_setup;
const int inf = (1 << 30) - 1;
const ll INF = (1LL << 60) - 1;
// const int MOD = 1000000007;
const int MOD = 998244353;
template <int mod>
struct Mod_Int {
int x;
Mod_Int() : x(0) {}
Mod_Int(long long y) : x(y >= 0 ? y % mod : (mod - (-y) % mod) % mod) {}
static int get_mod() { return mod; }
Mod_Int &operator+=(const Mod_Int &p) {
if ((x += p.x) >= mod) x -= mod;
return *this;
}
Mod_Int &operator-=(const Mod_Int &p) {
if ((x += mod - p.x) >= mod) x -= mod;
return *this;
}
Mod_Int &operator*=(const Mod_Int &p) {
x = (int)(1LL * x * p.x % mod);
return *this;
}
Mod_Int &operator/=(const Mod_Int &p) {
*this *= p.inverse();
return *this;
}
Mod_Int &operator++() { return *this += Mod_Int(1); }
Mod_Int operator++(int) {
Mod_Int tmp = *this;
++*this;
return tmp;
}
Mod_Int &operator--() { return *this -= Mod_Int(1); }
Mod_Int operator--(int) {
Mod_Int tmp = *this;
--*this;
return tmp;
}
Mod_Int operator-() const { return Mod_Int(-x); }
Mod_Int operator+(const Mod_Int &p) const { return Mod_Int(*this) += p; }
Mod_Int operator-(const Mod_Int &p) const { return Mod_Int(*this) -= p; }
Mod_Int operator*(const Mod_Int &p) const { return Mod_Int(*this) *= p; }
Mod_Int operator/(const Mod_Int &p) const { return Mod_Int(*this) /= p; }
bool operator==(const Mod_Int &p) const { return x == p.x; }
bool operator!=(const Mod_Int &p) const { return x != p.x; }
Mod_Int inverse() const {
assert(*this != Mod_Int(0));
return pow(mod - 2);
}
Mod_Int pow(long long k) const {
Mod_Int now = *this, ret = 1;
for (; k > 0; k >>= 1, now *= now) {
if (k & 1) ret *= now;
}
return ret;
}
friend ostream &operator<<(ostream &os, const Mod_Int &p) { return os << p.x; }
friend istream &operator>>(istream &is, Mod_Int &p) {
long long a;
is >> a;
p = Mod_Int<mod>(a);
return is;
}
};
using mint = Mod_Int<MOD>;
template <typename T>
vector<T> characteristic_polynomial(vector<vector<T>> A) {
int n = A.size();
for (int j = 0; j < n - 2; j++) {
for (int i = j + 2; i < n; i++) {
if (A[i][j] != 0) {
swap(A[j + 1], A[i]);
for (int k = 0; k < n; k++) swap(A[k][j + 1], A[k][i]);
break;
}
}
if (A[j + 1][j] != 0) {
T inv = A[j + 1][j].inverse();
for (int i = j + 2; i < n; i++) {
T c = A[i][j] * inv;
for (int k = j; k < n; k++) A[i][k] -= A[j + 1][k] * c;
for (int k = 0; k < n; k++) A[k][j + 1] += A[k][i] * c;
}
}
}
vector<vector<T>> p(n + 1);
p[0] = {1};
for (int i = 0; i < n; i++) {
p[i + 1].assign(i + 2, 0);
for (int j = 0; j <= i; j++) {
p[i + 1][j + 1] += p[i][j];
p[i + 1][j] -= p[i][j] * A[i][i];
}
T c = 1;
for (int k = 1; k <= i; k++) {
c *= -A[i + 1 - k][i - k];
T x = c * (k & 1 ? A[i - k][i] : -A[i - k][i]);
for (int j = 0; j <= i - k; j++) p[i + 1][j] += p[i - k][j] * x;
}
}
return p[n];
}
int main() {
int N;
cin >> N;
vector<vector<mint>> a(N, vector<mint>(N)), b(N, vector<mint>(N));
rep(i, N) rep(j, N) cin >> a[i][j];
rep(i, N) rep(j, N) cin >> b[i][j];
mint tmp = 1;
int deg = 0;
rep(j, N) {
while (deg <= N) {
rep3(i, j - 1, 0) {
mint y = b[i][j];
rep(k, N) {
a[k][j] -= a[k][i] * y;
b[k][j] -= b[k][i] * y;
}
}
rep2(i, j + 1, N - 1) {
if (b[i][j] != 0) {
swap(a[j], a[i]);
swap(b[j], b[i]);
tmp *= -1;
break;
}
}
if (b[j][j] != 0) break;
deg++;
rep(i, N) {
b[i][j] = a[i][j];
a[i][j] = 0;
}
}
if (deg > N) {
rep(i, N + 1) cout << 0 << '\n';
return 0;
}
mint x = b[j][j].inverse();
tmp *= b[j][j];
rep(k, N) {
a[j][k] *= x;
b[j][k] *= x;
}
rep(i, N) {
if (i != j) {
mint y = b[i][j];
rep(k, N) {
a[i][k] -= y * a[j][k];
b[i][k] -= y * b[j][k];
}
}
}
}
// rep(i, N) print(a[i]);
// rep(i, N) print(b[i]);
// cout << tmp << '\n';
rep(i, N) rep(j, N) a[i][j] *= -1;
auto f = characteristic_polynomial(a);
vector<mint> p(N + 1, 0);
rep2(i, deg, N) p[i - deg] += f[i] * tmp;
printn(p);
}