結果
問題 | No.980 Fibonacci Convolution Hard |
ユーザー | risujiroh |
提出日時 | 2020-01-31 23:15:20 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
TLE
|
実行時間 | - |
コード長 | 5,752 bytes |
コンパイル時間 | 2,038 ms |
コンパイル使用メモリ | 183,252 KB |
実行使用メモリ | 16,960 KB |
最終ジャッジ日時 | 2024-09-17 10:32:20 |
合計ジャッジ時間 | 8,988 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge2 |
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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 | TLE | - |
testcase_01 | -- | - |
testcase_02 | -- | - |
testcase_03 | -- | - |
testcase_04 | -- | - |
testcase_05 | -- | - |
testcase_06 | -- | - |
testcase_07 | -- | - |
testcase_08 | -- | - |
testcase_09 | -- | - |
testcase_10 | -- | - |
testcase_11 | -- | - |
testcase_12 | -- | - |
testcase_13 | -- | - |
testcase_14 | -- | - |
testcase_15 | -- | - |
testcase_16 | -- | - |
ソースコード
#include <bits/stdc++.h> using namespace std; 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>& l, const vector<T>& r) { l.resize(max(l.size(), r.size())); for (int i = 0; i < (int)r.size(); ++i) l[i] += r[i]; return l; } template <class T> vector<T> operator+(vector<T> l, const vector<T>& r) { return l += r; } template <class T> vector<T>& operator-=(vector<T>& l, const vector<T>& r) { l.resize(max(l.size(), r.size())); for (int i = 0; i < (int)r.size(); ++i) l[i] -= r[i]; return l; } template <class T> vector<T> operator-(vector<T> l, const vector<T>& r) { return l -= r; } template <class T> vector<T>& operator<<=(vector<T>& a, size_t n) { return a.insert(begin(a), n, 0), a; } template <class T> vector<T> operator<<(vector<T> a, size_t n) { return a <<= n; } template <class T> vector<T>& operator>>=(vector<T>& a, size_t n) { return a.erase(begin(a), begin(a) + min(a.size(), n)), a; } template <class T> vector<T> operator>>(vector<T> a, size_t n) { return a >>= n; } template <class T> vector<T> operator*(const vector<T>& l, const vector<T>& r) { if (l.empty() or r.empty()) return {}; vector<T> res(l.size() + r.size() - 1); for (int i = 0; i < (int)l.size(); ++i) for (int j = 0; j < (int)r.size(); ++j) res[i + j] += l[i] * r[j]; return res; } template <class T> vector<T>& operator*=(vector<T>& l, const vector<T>& r) { return l = l * r; } template <class T> vector<T> inverse(const vector<T>& a) { assert(not a.empty() and not (a[0] == 0)); vector<T> b{1 / a[0]}; while (b.size() < a.size()) { vector<T> x(begin(a), begin(a) + min(a.size(), 2 * b.size())); x *= b * b; b.resize(2 * b.size()); for (auto i = b.size() / 2; i < min(x.size(), b.size()); ++i) b[i] = -x[i]; } return {begin(b), begin(b) + a.size()}; } template <class T> vector<T> operator/(vector<T> l, vector<T> r) { if (l.size() < r.size()) return {}; reverse(begin(l), end(l)), reverse(begin(r), end(r)); int n = l.size() - r.size() + 1; l.resize(n), r.resize(n); l *= inverse(r); return {rend(l) - n, rend(l)}; } template <class T> vector<T>& operator/=(vector<T>& l, const vector<T>& r) { return l = l / r; } template <class T> vector<T> operator%(vector<T> l, const vector<T>& r) { if (l.size() < r.size()) return l; l -= l / r * r; return {begin(l), begin(l) + (r.size() - 1)}; } template <class T> vector<T>& operator%=(vector<T>& l, const vector<T>& r) { return l = l % r; } template <class T> vector<T> derivative(const vector<T>& a) { vector<T> res(max((int)a.size() - 1, 0)); for (int i = 0; i < (int)res.size(); ++i) res[i] = (i + 1) * a[i + 1]; return res; } template <class T> vector<T> primitive(const vector<T>& a) { vector<T> res(a.size() + 1); for (int i = 1; i < (int)res.size(); ++i) res[i] = a[i - 1] / i; return res; } template <class T> vector<T> logarithm(const vector<T>& a) { assert(not a.empty() and a[0] == 1); auto res = primitive(derivative(a) * inverse(a)); return {begin(res), begin(res) + a.size()}; } template <class T> vector<T> exponent(const vector<T>& a) { assert(a.empty() or a[0] == 0); vector<T> b{1}; while (b.size() < a.size()) { vector<T> x(begin(a), begin(a) + min(a.size(), 2 * b.size())); x[0] += 1; b.resize(2 * b.size()); x -= logarithm(b); x *= {begin(b), begin(b) + b.size() / 2}; for (auto i = b.size() / 2; i < min(x.size(), b.size()); ++i) b[i] = x[i]; } return {begin(b), begin(b) + a.size()}; } template <class T> vector<T> berlekamp_massey(const vector<T>& a) { T d = 1; vector<T> c{1}, nc{1}; int n = a.size(), k = 0, m = 1; for (int i = 0; i < n; ++i) { T nd = inner_product(rbegin(nc), rend(nc), begin(a) + (i - k), (T)0); if (nd == 0) ++m; else if (2 * k <= i) { auto t = nc; nc -= vector<T>{nd / d} * (c << m); c = t, d = nd; k = i + 1 - k, m = 1; } else { nc -= vector<T>{nd / d} * (c << m); ++m; } } return {rbegin(nc), rend(nc)}; } template <class T> T guess_kth(const vector<T>& a, long long k) { auto c = berlekamp_massey(a); auto b = power(vector<T>{0, 1}, k, [&](const auto& l, const auto& r) { return l * r % c; }); return inner_product(begin(b), end(b), begin(a), (T)0); } template <class T, class F = multiplies<T>> T power(T a, long long n, F op = multiplies<T>(), T e = {1}) { assert(n >= 0); T res = e; while (n) { if (n & 1) res = op(res, a); if (n >>= 1) a = op(a, a); } return res; } template <unsigned Mod> struct Modular { using M = Modular; unsigned v; Modular(long long a = 0) : v((a %= Mod) < 0 ? a + Mod : a) {} M operator-() const { return M() -= *this; } M& operator+=(M r) { if ((v += r.v) >= Mod) v -= Mod; return *this; } M& operator-=(M r) { if ((v += Mod - r.v) >= Mod) v -= Mod; return *this; } M& operator*=(M r) { v = (uint64_t)v * r.v % Mod; return *this; } M& operator/=(M r) { return *this *= power(r, Mod - 2); } friend M operator+(M l, M r) { return l += r; } friend M operator-(M l, M r) { return l -= r; } friend M operator*(M l, M r) { return l *= r; } friend M operator/(M l, M r) { return l /= r; } friend bool operator==(M l, M r) { return l.v == r.v; } }; constexpr long long mod = 1e9 + 7; using Mint = Modular<mod>; int main() { cin.tie(nullptr); ios::sync_with_stdio(false); int p; cin >> p; vector<Mint> a(8); for (int i = 0; i < 8; ++i) { if (i < 2) { a[i] = i; } else { a[i] = p * a[i - 1] + a[i - 2]; } } a *= a; a.resize(8); int q; cin >> q; while (q--) { int i; cin >> i; i -= 2; cout << guess_kth(a, i).v << '\n'; } }