結果
| 問題 | No.2506 Sum of Weighted Powers |
| ユーザー |
👑  hos.lyric
|
| 提出日時 | 2023-10-13 21:22:46 |
| 言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 10,840 bytes |
| コンパイル時間 | 1,410 ms |
| コンパイル使用メモリ | 117,880 KB |
| 実行使用メモリ | 24,192 KB |
| 最終ジャッジ日時 | 2024-09-15 16:56:43 |
| 合計ジャッジ時間 | 7,450 ms |
|
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 * 39 WA * 3 |
ソースコード
#include <cassert>
#include <cmath>
#include <cstdint>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <algorithm>
#include <bitset>
#include <complex>
#include <deque>
#include <functional>
#include <iostream>
#include <limits>
#include <map>
#include <numeric>
#include <queue>
#include <random>
#include <set>
#include <sstream>
#include <string>
#include <unordered_map>
#include <unordered_set>
#include <utility>
#include <vector>
using namespace std;
using Int = long long;
template <class T1, class T2> ostream &operator<<(ostream &os, const pair<T1, T2> &a) { return os << "(" << a.first << ", " << a.second << ")"; };
template <class T> ostream &operator<<(ostream &os, const vector<T> &as) { const int sz = as.size(); os << "["; for (int i = 0; i < sz; ++i) { if (i >= 256) { os << ", ..."; break; } if (i > 0) { os << ", "; } os << as[i]; } return os << "]"; }
template <class T> void pv(T a, T b) { for (T i = a; i != b; ++i) cerr << *i << " "; cerr << endl; }
template <class T> bool chmin(T &t, const T &f) { if (t > f) { t = f; return true; } return false; }
template <class T> bool chmax(T &t, const T &f) { if (t < f) { t = f; return true; } return false; }
#define COLOR(s) ("\x1b[" s "m")
////////////////////////////////////////////////////////////////////////////////
template <unsigned M_> struct ModInt {
static constexpr unsigned M = M_;
unsigned x;
constexpr ModInt() : x(0U) {}
constexpr ModInt(unsigned x_) : x(x_ % M) {}
constexpr ModInt(unsigned long long x_) : x(x_ % M) {}
constexpr ModInt(int x_) : x(((x_ %= static_cast<int>(M)) < 0) ? (x_ + static_cast<int>(M)) : x_) {}
constexpr ModInt(long long x_) : x(((x_ %= static_cast<long long>(M)) < 0) ? (x_ + static_cast<long long>(M)) : x_) {}
ModInt &operator+=(const ModInt &a) { x = ((x += a.x) >= M) ? (x - M) : x; return *this; }
ModInt &operator-=(const ModInt &a) { x = ((x -= a.x) >= M) ? (x + M) : x; return *this; }
ModInt &operator*=(const ModInt &a) { x = (static_cast<unsigned long long>(x) * a.x) % M; return *this; }
ModInt &operator/=(const ModInt &a) { return (*this *= a.inv()); }
ModInt pow(long long e) const {
if (e < 0) return inv().pow(-e);
ModInt a = *this, b = 1U; for (; e; e >>= 1) { if (e & 1) b *= a; a *= a; } return b;
}
ModInt inv() const {
unsigned a = M, b = x; int y = 0, z = 1;
for (; b; ) { const unsigned q = a / b; const unsigned c = a - q * b; a = b; b = c; const int w = y - static_cast<int>(q) * z; y = z; z = w; }
assert(a == 1U); return ModInt(y);
}
ModInt operator+() const { return *this; }
ModInt operator-() const { ModInt a; a.x = x ? (M - x) : 0U; return a; }
ModInt operator+(const ModInt &a) const { return (ModInt(*this) += a); }
ModInt operator-(const ModInt &a) const { return (ModInt(*this) -= a); }
ModInt operator*(const ModInt &a) const { return (ModInt(*this) *= a); }
ModInt operator/(const ModInt &a) const { return (ModInt(*this) /= a); }
template <class T> friend ModInt operator+(T a, const ModInt &b) { return (ModInt(a) += b); }
template <class T> friend ModInt operator-(T a, const ModInt &b) { return (ModInt(a) -= b); }
template <class T> friend ModInt operator*(T a, const ModInt &b) { return (ModInt(a) *= b); }
template <class T> friend ModInt operator/(T a, const ModInt &b) { return (ModInt(a) /= b); }
explicit operator bool() const { return x; }
bool operator==(const ModInt &a) const { return (x == a.x); }
bool operator!=(const ModInt &a) const { return (x != a.x); }
friend std::ostream &operator<<(std::ostream &os, const ModInt &a) { return os << a.x; }
};
////////////////////////////////////////////////////////////////////////////////
constexpr unsigned MO = 943718401;
using Mint = ModInt<MO>;
////////////////////////////////////////////////////////////////////////////////
// M: prime, G: primitive root, 2^K | M - 1
template <unsigned M_, unsigned G_, int K_> struct Fft {
static_assert(2U <= M_, "Fft: 2 <= M must hold.");
static_assert(M_ < 1U << 30, "Fft: M < 2^30 must hold.");
static_assert(1 <= K_, "Fft: 1 <= K must hold.");
static_assert(K_ < 30, "Fft: K < 30 must hold.");
static_assert(!((M_ - 1U) & ((1U << K_) - 1U)), "Fft: 2^K | M - 1 must hold.");
static constexpr unsigned M = M_;
static constexpr unsigned M2 = 2U * M_;
static constexpr unsigned G = G_;
static constexpr int K = K_;
ModInt<M> FFT_ROOTS[K + 1], INV_FFT_ROOTS[K + 1];
ModInt<M> FFT_RATIOS[K], INV_FFT_RATIOS[K];
Fft() {
const ModInt<M> g(G);
for (int k = 0; k <= K; ++k) {
FFT_ROOTS[k] = g.pow((M - 1U) >> k);
INV_FFT_ROOTS[k] = FFT_ROOTS[k].inv();
}
for (int k = 0; k <= K - 2; ++k) {
FFT_RATIOS[k] = -g.pow(3U * ((M - 1U) >> (k + 2)));
INV_FFT_RATIOS[k] = FFT_RATIOS[k].inv();
}
assert(FFT_ROOTS[1] == M - 1U);
}
// as[rev(i)] <- \sum_j \zeta^(ij) as[j]
void fft(ModInt<M> *as, int n) const {
assert(!(n & (n - 1))); assert(1 <= n); assert(n <= 1 << K);
int m = n;
if (m >>= 1) {
for (int i = 0; i < m; ++i) {
const unsigned x = as[i + m].x; // < M
as[i + m].x = as[i].x + M - x; // < 2 M
as[i].x += x; // < 2 M
}
}
if (m >>= 1) {
ModInt<M> prod = 1U;
for (int h = 0, i0 = 0; i0 < n; i0 += (m << 1)) {
for (int i = i0; i < i0 + m; ++i) {
const unsigned x = (prod * as[i + m]).x; // < M
as[i + m].x = as[i].x + M - x; // < 3 M
as[i].x += x; // < 3 M
}
prod *= FFT_RATIOS[__builtin_ctz(++h)];
}
}
for (; m; ) {
if (m >>= 1) {
ModInt<M> prod = 1U;
for (int h = 0, i0 = 0; i0 < n; i0 += (m << 1)) {
for (int i = i0; i < i0 + m; ++i) {
const unsigned x = (prod * as[i + m]).x; // < M
as[i + m].x = as[i].x + M - x; // < 4 M
as[i].x += x; // < 4 M
}
prod *= FFT_RATIOS[__builtin_ctz(++h)];
}
}
if (m >>= 1) {
ModInt<M> prod = 1U;
for (int h = 0, i0 = 0; i0 < n; i0 += (m << 1)) {
for (int i = i0; i < i0 + m; ++i) {
const unsigned x = (prod * as[i + m]).x; // < M
as[i].x = (as[i].x >= M2) ? (as[i].x - M2) : as[i].x; // < 2 M
as[i + m].x = as[i].x + M - x; // < 3 M
as[i].x += x; // < 3 M
}
prod *= FFT_RATIOS[__builtin_ctz(++h)];
}
}
}
for (int i = 0; i < n; ++i) {
as[i].x = (as[i].x >= M2) ? (as[i].x - M2) : as[i].x; // < 2 M
as[i].x = (as[i].x >= M) ? (as[i].x - M) : as[i].x; // < M
}
}
// as[i] <- (1/n) \sum_j \zeta^(-ij) as[rev(j)]
void invFft(ModInt<M> *as, int n) const {
assert(!(n & (n - 1))); assert(1 <= n); assert(n <= 1 << K);
int m = 1;
if (m < n >> 1) {
ModInt<M> prod = 1U;
for (int h = 0, i0 = 0; i0 < n; i0 += (m << 1)) {
for (int i = i0; i < i0 + m; ++i) {
const unsigned long long y = as[i].x + M - as[i + m].x; // < 2 M
as[i].x += as[i + m].x; // < 2 M
as[i + m].x = (prod.x * y) % M; // < M
}
prod *= INV_FFT_RATIOS[__builtin_ctz(++h)];
}
m <<= 1;
}
for (; m < n >> 1; m <<= 1) {
ModInt<M> prod = 1U;
for (int h = 0, i0 = 0; i0 < n; i0 += (m << 1)) {
for (int i = i0; i < i0 + (m >> 1); ++i) {
const unsigned long long y = as[i].x + M2 - as[i + m].x; // < 4 M
as[i].x += as[i + m].x; // < 4 M
as[i].x = (as[i].x >= M2) ? (as[i].x - M2) : as[i].x; // < 2 M
as[i + m].x = (prod.x * y) % M; // < M
}
for (int i = i0 + (m >> 1); i < i0 + m; ++i) {
const unsigned long long y = as[i].x + M - as[i + m].x; // < 2 M
as[i].x += as[i + m].x; // < 2 M
as[i + m].x = (prod.x * y) % M; // < M
}
prod *= INV_FFT_RATIOS[__builtin_ctz(++h)];
}
}
if (m < n) {
for (int i = 0; i < m; ++i) {
const unsigned y = as[i].x + M2 - as[i + m].x; // < 4 M
as[i].x += as[i + m].x; // < 4 M
as[i + m].x = y; // < 4 M
}
}
const ModInt<M> invN = ModInt<M>(n).inv();
for (int i = 0; i < n; ++i) {
as[i] *= invN;
}
}
void fft(vector<ModInt<M>> &as) const {
fft(as.data(), as.size());
}
void invFft(vector<ModInt<M>> &as) const {
invFft(as.data(), as.size());
}
vector<ModInt<M>> convolve(vector<ModInt<M>> as, vector<ModInt<M>> bs) const {
if (as.empty() || bs.empty()) return {};
const int len = as.size() + bs.size() - 1;
int n = 1;
for (; n < len; n <<= 1) {}
as.resize(n); fft(as);
bs.resize(n); fft(bs);
for (int i = 0; i < n; ++i) as[i] *= bs[i];
invFft(as);
as.resize(len);
return as;
}
vector<ModInt<M>> square(vector<ModInt<M>> as) const {
if (as.empty()) return {};
const int len = as.size() + as.size() - 1;
int n = 1;
for (; n < len; n <<= 1) {}
as.resize(n); fft(as);
for (int i = 0; i < n; ++i) as[i] *= as[i];
invFft(as);
as.resize(len);
return as;
}
};
const Fft<MO, 7, 22> FFT;
int N;
Mint X;
vector<Mint> A[3];
int main() {
for (; ~scanf("%d%u", &N, &X.x); ) {
for (int h = 0; h < 3; ++h) {
A[h].resize(N + 1);
for (int i = 0; i <= N; ++i) {
scanf("%u", &A[h][i].x);
}
}
Mint ans = 0;
if (X) {
int len = 1;
for (; len < 2 * N + 1; len <<= 1) {}
vector<Mint> bss[3][3];
for (int h = 0; h < 3; ++h) {
for (int s = 0; s < 3; ++s) {
bss[h][s].assign(len, 0);
}
}
// *= X^(-i^3/3)
for (int h = 1; h < 3; ++h) {
for (int i = 0; i <= N; ++i) {
const Int i3 = -1LL * i * i * i;
const Int r = (i3 % 3 + 3) % 3;
const Int q = (i3 - r) / 3;
bss[h][r][i] += X.pow(q) * A[h][i];
}
for (int s = 0; s < 3; ++s) {
FFT.fft(bss[h][s]);
}
}
for (int i = 0; i < len; ++i) {
Mint tmp[5] = {};
for (int s = 0; s < 3; ++s) for (int t = 0; t < 3; ++t) {
tmp[s + t] += bss[1][s][i] * bss[2][t][i];
}
for (int s = 5; --s >= 3; ) {
tmp[s - 3] += X * tmp[s];
}
for (int s = 0; s < 3; ++s) {
bss[0][s][i] = tmp[s];
}
}
for (int s = 0; s < 3; ++s) {
FFT.invFft(bss[0][s]);
}
// for(int s=0;s<3;++s)cerr<<bss[0][s]<<endl;
// *= X^(i^3/3)
for (int i = 0; i <= N; ++i) {
const Int i3 = 1LL * i * i * i;
const Int q = (i3 + 3 - 1) / 3;
const Int r = 3 * q - i3;
ans += A[0][i] * X.pow(q) * bss[0][r][i];
}
} else {
ans = 1;
for (int h = 0; h < 3; ++h) {
ans *= A[h][0];
}
}
printf("%u\n", ans.x);
}
return 0;
}