結果
問題 | No.1049 Zero (Exhaust) |
ユーザー |
![]() |
提出日時 | 2020-05-08 21:44:00 |
言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
結果 |
CE
(最新)
AC
(最初)
|
実行時間 | - |
コード長 | 5,785 bytes |
コンパイル時間 | 841 ms |
コンパイル使用メモリ | 92,568 KB |
最終ジャッジ日時 | 2024-11-14 22:28:56 |
合計ジャッジ時間 | 1,375 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge1 |
(要ログイン)
コンパイルエラー時のメッセージ・ソースコードは、提出者また管理者しか表示できないようにしております。(リジャッジ後のコンパイルエラーは公開されます)
ただし、clay言語の場合は開発者のデバッグのため、公開されます。
ただし、clay言語の場合は開発者のデバッグのため、公開されます。
コンパイルメッセージ
main.cpp: In instantiation of 'struct FixedMatrix<ModInt<1000000007>, 2, 2>': main.cpp:207:9: required from here main.cpp:114:16: error: 'FixedMatrix<T, h, w>::mat' has incomplete type 114 | array_type mat; | ^~~ In file included from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/bits/stl_map.h:63, from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/map:61, from main.cpp:14: /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/tuple:1595:45: note: declaration of 'using array_type = struct std::array<ModInt<1000000007>, 4>' {aka 'struct std::array<ModInt<1000000007>, 4>'} 1595 | template<typename _Tp, size_t _Nm> struct array; | ^~~~~
ソースコード
// #define _GLIBCXX_DEBUG // for STL debug (optional)#include <iostream>#include <iomanip>#include <cstdio>#include <string>#include <cstring>#include <deque>#include <list>#include <queue>#include <stack>#include <vector>#include <utility>#include <algorithm>#include <map>#include <set>#include <complex>#include <cmath>#include <limits>#include <cfloat>#include <climits>#include <ctime>#include <cassert>#include <numeric>#include <fstream>#include <functional>#include <bitset>using namespace std;using ll = long long int;using int64 = long long int;template<typename T> void chmax(T &a, T b) {a = max(a, b);}template<typename T> void chmin(T &a, T b) {a = min(a, b);}template<typename T> void chadd(T &a, T b) {a = a + b;}int dx[] = {0, 0, 1, -1};int dy[] = {1, -1, 0, 0};const int INF = 1LL << 29;const ll LONGINF = 1LL << 60;const ll MOD = 1000000007LL;// ModInt beginusing ll = long long;template<ll mod>struct ModInt {ll v;ll mod_pow(ll x, ll n) const {return (!n) ? 1 : (mod_pow((x*x)%mod,n/2) * ((n&1)?x:1)) % mod;}ModInt(ll a = 0) : v((a %= mod) < 0 ? a + mod : a) {}ModInt operator+ ( const ModInt& b ) const {return (v + b.v >= mod ? ModInt(v + b.v - mod) : ModInt(v + b.v));}ModInt operator- () const {return ModInt(-v);}ModInt operator- ( const ModInt& b ) const {return (v - b.v < 0 ? ModInt(v - b.v + mod) : ModInt(v - b.v));}ModInt operator* ( const ModInt& b ) const {return (v * b.v) % mod;}ModInt operator/ ( const ModInt& b ) const {return (v * mod_pow(b.v, mod-2)) % mod;}bool operator== ( const ModInt &b ) const {return v == b.v;}bool operator!= ( const ModInt &b ) const {return !(*this == b); }ModInt& operator+= ( const ModInt &b ) {v += b.v;if(v >= mod) v -= mod;return *this;}ModInt& operator-= ( const ModInt &b ) {v -= b.v;if(v < 0) v += mod;return *this;}ModInt& operator*= ( const ModInt &b ) {(v *= b.v) %= mod;return *this;}ModInt& operator/= ( const ModInt &b ) {(v *= mod_pow(b.v, mod-2)) %= mod;return *this;}ModInt pow(ll x) { return ModInt(mod_pow(v, x)); }// operator int() const { return int(v); }// operator long long int() const { return v; }};template<ll mod>ModInt<mod> pow(ModInt<mod> n, ll k) {return ModInt<mod>(n.mod_pow(n.v, k));}template<ll mod>ostream& operator<< (ostream& out, ModInt<mod> a) {return out << a.v;}template<ll mod>istream& operator>> (istream& in, ModInt<mod>& a) {in >> a.v;return in;}// ModInt endusing mint = ModInt<MOD>;// 行列ライブラリ// 演算子: 複合代入 (+=, -=), 単項 (-), 二項 (+, -, *, ==)// eigen(N): N*N 単位行列を返す// pow(mat, k): mat の k 乗を返すtemplate <typename T, int h, int w>struct FixedMatrix {using array_type = array<T, h * w>;array_type mat;FixedMatrix(T val = T(0)) { mat.fill(val); }const T& at(int i, int j) const { return mat[i*w + j]; }T& at(int i, int j) { return mat[i*w + j]; }FixedMatrix<T, h, w> &operator+=(const FixedMatrix<T, h, w>& rhs) {for(size_t i=0; i<h; i++) {for(size_t j=0; j<w; j++) {this->at(i, j) += rhs.at(i, j);}}return *this;}FixedMatrix<T, h, w> operator-() const {FixedMatrix<T, h, w> res(*this);for(size_t i=0; i<h; i++) {for(size_t j=0; j<w; j++) {res.at(i, j) *= T(-1);}}return res;}FixedMatrix<T, h, w> &operator-=(const FixedMatrix<T, h, w>& rhs) {return (FixedMatrix<T, h, w>(*this) += -rhs);}template <int wr>FixedMatrix<T, h, wr> operator*(const FixedMatrix<T, w, wr>& rhs) {size_t H = h, W = wr, C = w;FixedMatrix<T, h, wr> res;for(size_t i=0; i<H; i++) {for(size_t j=0; j<W; j++) {for(size_t k=0; k<C; k++) {res.at(i, j) += this->at(i, k) * rhs.at(k, j);}}}return res;}FixedMatrix<T, h, w> operator+(const FixedMatrix<T, h, w>& rhs) {return (FixedMatrix<T, h, w>(*this) += rhs);}FixedMatrix<T, h, w> operator-(const FixedMatrix<T, h, w> &rhs) {return (FixedMatrix<T, h, w>(*this) -= rhs);}bool operator==(const FixedMatrix<T, h, w> &rhs) const {return this->mat == rhs.mat;}bool operator!=(const FixedMatrix<T, h, w> &rhs) const {return !(*this == rhs);}};template <typename T, int h, int w>FixedMatrix<T, h, w> eigen() {FixedMatrix<T, h, w> res(0);for(size_t i=0; i<h; i++) res.at(i, i) = T(1);return res;}template <typename T, int h, int w>FixedMatrix<T, h, w> pow(FixedMatrix<T, h, w> mat, long long int k) {FixedMatrix<T, h, w> res = eigen<T, h, w>();for(; k>0; k>>=1) {if(k & 1) res = res * mat;mat = mat * mat;}return res;}template <typename T, int h, int w>ostream& operator<< (ostream& out, FixedMatrix<T, h, w> mat) {int H = mat.h, W = mat.w;out << "[" << endl;for(int i=0; i<H; i++) {out << " [ ";for(int j=0; j<W; j++) out << mat.at(i, j) << " ";out << "]" << endl;}out << "]" << endl;return out;}using Mat = FixedMatrix<mint, 2, 2>;int main() {ll P, K; scanf("%lld%lld", &P, &K);Mat mat;mat.at(0, 0) = mint(P+1);mat.at(0, 1) = mint(2);mat.at(1, 0) = mint(P-1);mat.at(1, 1) = mint(2*P - 2);mat = pow(mat, K);cout << mat.at(0, 0) << endl;return 0;}