結果
| 問題 |
No.1521 Playing Musical Chairs Alone
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2022-11-16 12:50:47 |
| 言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 7,213 bytes |
| コンパイル時間 | 4,191 ms |
| コンパイル使用メモリ | 257,344 KB |
| 最終ジャッジ日時 | 2025-02-08 20:44:25 |
|
ジャッジサーバーID (参考情報) |
judge1 / judge6 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 8 WA * 15 |
ソースコード
//#define _GLIBCXX_DEBUG
#include <bits/stdc++.h>
using namespace std;
#if __has_include(<atcoder/all>)
#include <atcoder/all>
using namespace atcoder;
using mint = modint1000000007;
// using mint = modint998244353;
// using mint = modint;
// const int MOD = mint::mod();
#endif
#ifdef LOCAL_DEBUG
#define cout cout<<' '
#endif
using ll = long long;
template <class T> using pqg = priority_queue<T, vector<T>, greater<T>>;
// constexpr int MOD = (int)1e9 + 7;
// constexpr int MOD = (int)998244353;
constexpr int INF = (int)1e9 + 1001010;
constexpr ll llINF = (ll)4e18 + 11000010;
constexpr double PI = 3.14159265358979;
constexpr double EPS = 1e-10;
#define Isize(x) (int)(size(x))
#define ALL(x) (x).begin(),(x).end()
#define RALL(x) (x).rbegin(),(x).rend()
#define UNIQUE(x) (x).erase(unique(ALL(x)), (x).end());
#define endn "\n"
#define SUM(v) accumulate(ALL(v), 0LL)
#define MIN(v) *min_element(ALL(v))
#define MAX(v) *max_element(ALL(v))
#define popcount __builtin_popcount
#define popcountll __builtin_popcountll
template <class T> inline vector<vector<T>> vector2(const size_t &i, const size_t &j, const T &init = T()) {
return vector<vector<T>>(i, vector<T>(j, init));
}
template <class T> inline vector<vector<vector<T>>> vector3(const size_t &i, const size_t &j, const int &k, const T &init = T()) {
return vector<vector<vector<T>>>(i, vector<vector<T>>(j, vector<T>(k, init)));
}
template <class T> inline vector<vector<vector<vector<T>>>> vector4(const size_t &i, const size_t &j, const size_t &k, const size_t &l, const T &init = T()) {
return vector<vector<vector<vector<T>>>>(i, vector<vector<vector<T>>>(j, vector<vector<T>>(k, vector<T>(l, init))));
}
const string VEC_ELEM_SEPARATION = " ";
const string VEC_VEC_SEPARATION = endn;
template<class T> istream & operator >> (istream &i, vector<T> &A) {for(auto &I : A) {i >> I;} return i;}
template<class T> ostream & operator << (ostream &o, const vector<vector<T>> &A) {int i=A.size(); for(auto &I : A){o << I << (--i ? VEC_VEC_SEPARATION : "");} return o;}
template<class T> ostream & operator << (ostream &o, const vector<T> &A) {int i=A.size(); for(auto &I : A){o << I << (--i ? VEC_ELEM_SEPARATION : "");} return o;}
template<class T> ostream & operator << (ostream &o, const deque<T> &A) {int i=A.size(); for(auto &I : A){o << I << (--i ? VEC_ELEM_SEPARATION : "");} return o;}
template<class T, class U> istream & operator >> (istream &i, pair<T,U> &A) {i >> A.first >> A.second; return i;}
template<class T, class U> ostream & operator << (ostream &o, const pair<T,U> &A) {o << A.first << " " << A.second; return o;}
template<class T, class U, class V> istream & operator >> (istream &i, tuple<T,U,V>&A) {i >> get<0>(A) >> get<1>(A) >> get<2>(A); return i;}
template<class T, class U, class V> ostream & operator << (ostream &o, const tuple<T,U,V> &A) {o << get<0>(A) << " " << get<1>(A) << " " << get<2>(A); return o;}
template<class T> vector<T>& operator ++(vector<T> &A, int n) {for(auto &I : A) {I++;} return A;}
template<class T> vector<T>& operator --(vector<T> &A, int n) {for(auto &I : A) {I--;} return A;}
template<class T, class U> bool chmax(T &a, const U &b){return ((a < b) ? (a = b, true) : false);}
template<class T, class U> bool chmin(T &a, const U &b){return ((a > b) ? (a = b, true) : false);}
ll floor(ll a, ll b){assert(b != 0); return((a%b != 0 && ((a>0) != (b>0))) ? a/b-1 : a/b);}
ll ceil (ll a, ll b){assert(b != 0); return((a%b != 0 && ((a>0) == (b>0))) ? a/b+1 : a/b);}
ll gcd(ll a, ll b){return ((b==0) ? a : gcd(b, a%b));}
ll lcm(ll a, ll b){return a / gcd(a,b) * b;}
bool is_in(ll inf, ll n, ll sup){return(inf <= n && n <= sup);}
// ================================== ここまでテンプレ ==================================
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 size() const {
if(A.empty()) return 0;
assert(A.size() == A[0].size());
return A.size();
}
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(){
ios::sync_with_stdio(false);
cin.tie(nullptr);
int n, k, l; cin >> n >> k >> l;
Matrix<mint> mat(n);
for(int i = 0; i < n; i++){
for(int j = 1; j <= l; j++){
mat[i][(i+j)%n] = 1;
}
}
Matrix<mint> init(n, 1);
init[0][0] = 1;
auto ans = (mat^k) * init;
for(int i = 0; i < n; i++){
cout << ans[i][0].val() << endn;
}
return 0;
}