結果
問題 | No.1145 Sums of Powers |
ユーザー |
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提出日時 | 2020-07-08 17:44:35 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 320 ms / 2,000 ms |
コード長 | 4,232 bytes |
コンパイル時間 | 2,392 ms |
コンパイル使用メモリ | 209,300 KB |
最終ジャッジ日時 | 2025-01-11 17:00:01 |
ジャッジサーバーID (参考情報) |
judge5 / judge2 |
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ファイルパターン | 結果 |
---|---|
other | AC * 6 |
ソースコード
#include <bits/stdc++.h>using namespace std;template <class T, class Op = multiplies<T>>constexpr T power(T a, long long n, Op op = Op(), T e = {1}) {assert(n >= 0);while (n) {if (n & 1) e = op(e, a);if (n >>= 1) a = op(a, a);}return e;}template <class T> void ntt(vector<T>& a, bool inverse) {int n = size(a);assert((n & (n - 1)) == 0);if (n < 2) return;assert((T::mod - 1) % n == 0);static vector<T> w{1}, iw{1};for (int m = size(w); m < n / 2; m *= 2) {static T root = 2;while (power(root, (T::mod - 1) / 2) == 1) root += 1;T dw = power(root, (T::mod - 1) / (4 * m)), idw = 1 / dw;w.resize(2 * m), iw.resize(2 * m);for (int i = 0; i < m; ++i) w[m + i] = w[i] * dw, iw[m + i] = iw[i] * idw;}if (not inverse) {for (int m = n; m >>= 1; ) {for (int s = 0, k = 0; s < n; s += 2 * m, ++k) {for (int i = s, j = s + m; i < s + m; ++i, ++j) {T x = a[i], y = a[j] * w[k];a[i] = x + y, a[j] = x - y;}}}} else {for (int m = 1; m < n; m *= 2) {for (int s = 0, k = 0; s < n; s += 2 * m, ++k) {for (int i = s, j = s + m; i < s + m; ++i, ++j) {T x = a[i], y = a[j];a[i] = x + y, a[j] = (x - y) * iw[k];}}}auto inv = 1 / T(n);for (auto&& e : a) e *= inv;}}template <class T> vector<T> operator*(vector<T> a, vector<T> b) {if (empty(a) or empty(b)) return {};int n = size(a), m = size(b), sz = 1 << __lg(2 * (n + m - 1) - 1);a.resize(sz), ntt(a, false);b.resize(sz), ntt(b, false);for (int i = 0; i < sz; ++i) a[i] *= b[i];ntt(a, true), a.resize(n + m - 1);return a;}template <class T> vector<T> operator-(vector<T> a) {for (auto&& e : a) e = -e;return a;}template <class T> vector<T>& operator*=(vector<T>& a, const vector<T>& b) {return a = a * b;}template <class T> vector<T> inverse(const vector<T>& a) {assert(not empty(a) and not (a[0] == 0));vector<T> b{1 / a[0]};while (size(b) < size(a)) {vector<T> x(begin(a), begin(a) + min(size(a), 2 * size(b)));x *= b * b;b.resize(2 * size(b));for (auto i = size(b) / 2; i < min(size(x), size(b)); ++i) b[i] = -x[i];}return {begin(b), begin(b) + size(a)};}template <class T> vector<T> derivative(const vector<T>& a) {vector<T> res(max((int)size(a) - 1, 0));for (int i = 0; i < (int)size(res); ++i) res[i] = (i + 1) * a[i + 1];return res;}template <class T> vector<T> primitive(const vector<T>& a) {vector<T> res(size(a) + 1);for (int i = 1; i < (int)size(res); ++i) res[i] = a[i - 1] / i;return res;}template <class T> vector<T> logarithm(const vector<T>& a) {assert(not empty(a) and a[0] == 1);auto res = primitive(derivative(a) * inverse(a));return {begin(res), begin(res) + size(a)};}template <unsigned M> struct modular {using m = modular;static constexpr unsigned mod = M;unsigned v;modular(long long x = 0) : v((x %= mod) < 0 ? x + mod : x) {}m operator-() const { return m() -= *this; }m& operator+=(m b) { if ((int)(v += b.v - mod) < 0) v += mod; return *this; }m& operator-=(m b) { if ((int)(v -= b.v) < 0) v += mod; return *this; }m& operator*=(m b) { v = (uint64_t)v * b.v % mod; return *this; }m& operator/=(m b) { return *this *= power(b, mod - 2); }friend m operator+(m a, m b) { return a += b; }friend m operator-(m a, m b) { return a -= b; }friend m operator*(m a, m b) { return a *= b; }friend m operator/(m a, m b) { return a /= b; }friend bool operator==(m a, m b) { return a.v == b.v; }};using mint = modular<998244353>;int main() {cin.tie(nullptr);ios::sync_with_stdio(false);int n, m;cin >> n >> m;vector<vector<mint>> tree(2 * n);for (int i = 0; i < n; ++i) {int a;cin >> a;tree[n + i] = {1, -a};}for (int i = n; i-- > 1; ) {tree[i] = tree[2 * i] * tree[2 * i + 1];}auto f = tree[1];f.resize(m + 1);f = -logarithm(f);for (int k = 1; k <= m; ++k) {f[k] *= k;cout << f[k].v << " \n"[k == m];}}