結果
問題 | No.658 テトラナッチ数列 Hard |
ユーザー | yuruhiya |
提出日時 | 2020-07-05 17:37:35 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 338 ms / 2,000 ms |
コード長 | 4,585 bytes |
コンパイル時間 | 2,235 ms |
コンパイル使用メモリ | 213,292 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-09-22 15:28:57 |
合計ジャッジ時間 | 4,655 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge3 |
(要ログイン)
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 | AC | 2 ms
6,816 KB |
testcase_01 | AC | 2 ms
6,940 KB |
testcase_02 | AC | 2 ms
6,940 KB |
testcase_03 | AC | 3 ms
6,940 KB |
testcase_04 | AC | 135 ms
6,940 KB |
testcase_05 | AC | 152 ms
6,940 KB |
testcase_06 | AC | 187 ms
6,944 KB |
testcase_07 | AC | 200 ms
6,944 KB |
testcase_08 | AC | 232 ms
6,944 KB |
testcase_09 | AC | 338 ms
6,944 KB |
testcase_10 | AC | 337 ms
6,940 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; #if __has_include("/home/yuruhiya/contest/dump.hpp") #include "/home/yuruhiya/contest/dump.hpp" #else #define dump(...) ((void)0) #endif template <int MOD> struct modint { using T = long long; T n; constexpr modint(const T x = 0) : n(x % MOD) { if (n < 0) n += MOD; } constexpr int get_mod() const { return MOD; } constexpr modint operator+() const { return *this; } constexpr modint operator-() const { return n ? MOD - n : 0; } constexpr modint &operator++() { if (MOD <= ++n) n = 0; return *this; } constexpr modint &operator--() { if (n <= 0) n = MOD; n--; return *this; } constexpr modint operator++(int) { modint t = *this; ++*this; return t; } constexpr modint operator--(int) { modint t = *this; --*this; return t; } constexpr modint next() const { return ++modint(*this); } constexpr modint pred() const { return --modint(*this); } constexpr modint operator+(const modint &m) const { return modint(*this) += m; } constexpr modint operator-(const modint &m) const { return modint(*this) -= m; } constexpr modint operator*(const modint &m) const { return modint(*this) *= m; } constexpr modint operator/(const modint &m) const { return modint(*this) /= m; } constexpr modint &operator+=(const modint &m) { n += m.n; if (n >= MOD) n -= MOD; return *this; } constexpr modint &operator-=(const modint &m) { n -= m.n; if (n < 0) n += MOD; return *this; } constexpr modint &operator*=(const modint &m) { n = n * m.n % MOD; return *this; } constexpr modint &operator/=(const modint &m) { T a = m.n, b = MOD, u = 1, v = 0; while (b) { T t = a / b; a -= t * b; swap(a, b); u -= t * v; swap(u, v); } n = n * u % MOD; if (n < 0) n += MOD; return *this; } constexpr bool operator==(const modint &m) const { return n == m.n; } constexpr bool operator!=(const modint &m) const { return n != m.n; } constexpr modint pow(T m) const { modint t = n, res = 1; while (m > 0) { if (m & 1) res *= t; t *= t; m >>= 1; } return res; } constexpr modint operator^(T m) const { return pow(m); } friend ostream &operator<<(ostream &os, const modint<MOD> &m) { return os << m.n; } friend istream &operator>>(istream &is, modint<MOD> &m) { return is >> m.n; } }; using mint = modint<17>; using VM = vector<mint>; inline mint operator""_m(unsigned long long n) { return n; } template <class T> struct Matrix { size_t h, w; vector<vector<T>> A; public: Matrix() {} Matrix(size_t _h, size_t _w) : h(_h), w(_w), A(h, vector<T>(w, 0)) {} Matrix(size_t _h) : h(_h), w(_h), A(h, vector<T>(w, 0)){}; Matrix(const vector<vector<T>> &_A) : h(_A.size()), w(_A[0].size()), A(_A) {} size_t height() const { return h; } size_t width() const { return w; } const vector<T> &operator[](int i) const { return A[i]; } vector<T> &operator[](int i) { return A[i]; } const vector<vector<T>> &operator*() const { return A; } Matrix &operator+=(const Matrix &B) { assert(h == B.height() && w == B.width()); for (size_t i = 0; i < h; ++i) { for (size_t j = 0; j < w; ++j) { A[i][j] += B[i][j]; } } return *this; } Matrix &operator-=(const Matrix &B) { assert(h == B.height() && w == B.width()); for (size_t i = 0; i < h; ++i) { for (size_t j = 0; j < w; ++j) { A[i][j] -= B[i][j]; } } return *this; } Matrix &operator*=(const Matrix &B) { size_t n = B.width(); assert(w == B.height()); vector<vector<T>> C(h, vector<T>(n, 0)); for (size_t i = 0; i < h; i++) { for (size_t j = 0; j < n; j++) { for (size_t k = 0; k < w; k++) { C[i][j] += A[i][k] * B[k][j]; } } } A.swap(C); return *this; } Matrix &operator^=(long long k) { Matrix B(h); for (size_t i = 0; i < h; ++i) { B[i][i] = 1; } while (k > 0) { if (k & 1) { B *= *this; } *this *= *this; k >>= 1; } A.swap(B.A); return *this; } Matrix operator+(const Matrix &B) const { return Matrix(*this) += B; } Matrix operator-(const Matrix &B) const { return Matrix(*this) -= B; } Matrix operator*(const Matrix &B) const { return Matrix(*this) *= B; } Matrix operator^(const long long k) const { return Matrix(*this) ^= k; } Matrix pow(long long k) const { return *this ^ k; } }; int main() { int q; cin >> q; while (q--) { long long n; cin >> n; Matrix<mint> a({{1, 1, 1, 1}, {1, 0, 0, 0}, {0, 1, 0, 0}, {0, 0, 1, 0}}); Matrix<mint> b({{1}, {0}, {0}, {0}}); cout << (a.pow(n - 1) * b)[3][0] << endl; } }