結果
問題 | No.1521 Playing Musical Chairs Alone |
ユーザー |
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提出日時 | 2021-05-28 21:55:28 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 137 ms / 2,000 ms |
コード長 | 4,393 bytes |
コンパイル時間 | 2,194 ms |
コンパイル使用メモリ | 202,616 KB |
最終ジャッジ日時 | 2025-01-21 20:02:35 |
ジャッジサーバーID (参考情報) |
judge5 / judge3 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 23 |
ソースコード
#include <atcoder/modint>#include <bits/stdc++.h>using namespace std;using namespace atcoder;constexpr long long INF_LL = 2000000000000000000LL;constexpr int INF = 2000000000;constexpr long long MOD = 1000000007;#define ll long long#define all(x) x.begin(), x.end()#define REP(i, a, b) for(int i = a; i < b; i++)#define rep(i, n) REP(i, 0, n)// typedef float double;// typedef priority_queue prique;typedef pair<ll, ll> P;typedef vector<int> vi;typedef vector<vi> vvi;typedef vector<P> vp;typedef vector<ll> vl;//typedef vector<vi> matrix;int dx[4] = {0, -1, 0, 1};int dy[4] = {1, 0, -1, 0};int sign[2] = {1, -1};template <class T> bool chmax(T &a, T b) {if(a < b) {a = b;return 1;}return 0;}template <class T> bool chmin(T &a, T b) {if(a > b) {a = b;return 1;}return 0;}ll modpow(ll a, ll b, ll m) {if(b == 0)return 1;ll t = modpow(a, b / 2, m);if(b & 1) {return (t * t % m) * a % m;} else {return t * t % m;}}struct edge {int to;ll cost;edge(int t, ll c) { to = t, cost = c; }};typedef vector<vector<edge>> graph;using mint = modint1000000007;template< class T >struct Matrix {vector< vector< T > > A;Matrix() {}Matrix(size_t n, size_t m) : A(n, vector< T >(m, 0)) {}Matrix(size_t n) : A(n, vector< T >(n, 0)) {};size_t height() const {return (A.size());}size_t width() const {return (A[0].size());}inline const vector< T > &operator[](int k) const {return (A.at(k));}inline vector< T > &operator[](int k) {return (A.at(k));}static Matrix I(size_t n) {Matrix mat(n);for(int i = 0; i < n; i++) mat[i][i] = 1;return (mat);}Matrix &operator+=(const Matrix &B) {size_t n = height(), m = width();assert(n == B.height() && m == B.width());for(int i = 0; i < n; i++)for(int j = 0; j < m; j++)(*this)[i][j] += B[i][j];return (*this);}Matrix &operator-=(const Matrix &B) {size_t n = height(), m = width();assert(n == B.height() && m == B.width());for(int i = 0; i < n; i++)for(int j = 0; j < m; j++)(*this)[i][j] -= B[i][j];return (*this);}Matrix &operator*=(const Matrix &B) {size_t n = height(), m = B.width(), p = width();assert(p == B.height());vector< vector< T > > C(n, vector< T >(m, 0));for(int i = 0; i < n; i++)for(int j = 0; j < m; j++)for(int k = 0; k < p; k++)C[i][j] = (C[i][j] + (*this)[i][k] * B[k][j]);A.swap(C);return (*this);}Matrix &operator^=(long long k) {Matrix B = Matrix::I(height());while(k > 0) {if(k & 1) B *= *this;*this *= *this;k >>= 1LL;}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);}friend ostream &operator<<(ostream &os, Matrix &p) {size_t n = p.height(), m = p.width();for(int i = 0; i < n; i++) {os << "[";for(int j = 0; j < m; j++) {os << p[i][j] << (j + 1 == m ? "]\n" : ",");}}return (os);}T determinant() {Matrix B(*this);assert(width() == height());T ret = 1;for(int i = 0; i < width(); i++) {int idx = -1;for(int j = i; j < width(); j++) {if(B[j][i] != 0) idx = j;}if(idx == -1) return (0);if(i != idx) {ret *= -1;swap(B[i], B[idx]);}ret *= B[i][i];T vv = B[i][i];for(int j = 0; j < width(); j++) {B[i][j] /= vv;}for(int j = i + 1; j < width(); j++) {T a = B[j][i];for(int k = 0; k < width(); k++) {B[j][k] -= B[i][k] * a;}}}return (ret);}};int main(){cin.tie(nullptr);ios_base::sync_with_stdio(false);int n, k, l;cin >> n >> k >> l;Matrix<mint> mat(n);rep(i, n) REP(j, i + 1, l + i + 1){mat[j % n][i] += 1;}mat ^= k;rep(i, n){cout << mat[i][0].val() << endl;}}