結果

問題 No.344 ある無理数の累乗
ユーザー 小指が強い人
提出日時 2017-02-17 00:37:20
言語 C++14
(gcc 13.3.0 + boost 1.87.0)
結果
AC  
実行時間 3 ms / 2,000 ms
コード長 4,122 bytes
コンパイル時間 2,523 ms
コンパイル使用メモリ 184,604 KB
実行使用メモリ 5,248 KB
最終ジャッジ日時 2024-12-30 01:40:20
合計ジャッジ時間 3,820 ms
ジャッジサーバーID
(参考情報)
judge4 / judge1
このコードへのチャレンジ
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ファイルパターン 結果
other AC * 30
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ソースコード

diff #
プレゼンテーションモードにする

#include "bits/stdc++.h"
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef vector<int> veci;
typedef vector<string> vecs;
//template<class T,class U> using Hash=unordered_map<T,U>;
#define REP(i, a, n) for(ll i = a; i < (ll)n; i++)
#define RREP(i, a, n) for(ll i = n-1; i >= a; i--)
#define rep(i, n) REP(i, 0, n)
#define rrep(i, n) RREP(i, 0, n)
#define MD 1000000007
template<class T> T read(){T a;cin >> a;return a;}
template<class T> void read(T& a){cin >> a;}
template<class T> void rarr(T a, int n){for(int i = 0; i < n; i++) {cin >> a[i];}}
template<class T> void write(T a){cout << a << endl;}
template<class T> void writes(vector<T> a, const char* c = " "){cout << a[0];for(int i = 1; i < (int)a.size(); i++)cout << c << a[i];cout << endl;;}
void write(double a){cout << fixed << setprecision(12) << a << endl;}
void write(long double a){cout << fixed << setprecision(12) << a << endl;}
template<class T> void warr(T a, int n, const char* c = " "){cout << a[0];for(int i = 1; i < n; i++)cout << c << a[i];cout << endl;}
void split(string s, string delim, veci& result){result.clear();string::size_type pos = 0;while(pos != string::npos){string::size_type p = s.find
    (delim, pos);if(p == string::npos){result.push_back(atoi(s.substr(pos).data()));break;}else {result.push_back(atoi(s.substr(pos, p - pos).data
    ()));}pos = p + delim.size();}}
void split(string s, string delim, vecs& result){result.clear();string::size_type pos = 0;while(pos != string::npos){string::size_type p = s.find
    (delim, pos);if(p == string::npos){result.push_back(s.substr(pos));break;}else {result.push_back(s.substr(pos, p - pos));}pos = p + delim.size
    ();}}
ll gcd(ll a, ll b){while(true){ll k = a % b;if(k == 0)return b;a = b;b = k;}}
ll comb(ll n, ll m){ll p=1;m=min(m,n-m);for(ll i=1;i<=m;i++){p*=n-i+1;p/=i;}return p;}
typedef unsigned long long Num;
struct Matrix {
vector<vector<Num> > v, w;
static Num MOD;
Matrix() {}
Matrix(int n, int m): v(n, vector<Num>(m)) { assert(n > 0 && m > 0); }
inline int height() const { return (int)v.size(); }
inline int width() const { return (int)v[0].size(); }
inline Num& at(int i, int j) { assert(0 <= i && i < height() && 0 <= j && j < width()); return v[i][j]; }
inline const Num& at(int i, int j) const { assert(0 <= i && i < height() && 0 <= j && j < width()); return v[i][j]; }
static Matrix identity(int n) {
Matrix A(n, n);
rep(i, n) A.at(i, i) = 1;
return A;
}
inline static Matrix identity(const Matrix& A) {
assert(A.height() == A.width()); return identity(A.height()); }
Matrix& operator*=(const Matrix& B) {
int n = height(), m = B.width(), p = B.height();
assert(p == width());
w.resize(n, vector<Num>(m, 0));
rep(i, n) rep(j, m) {
//MOD = 10000000071000000012000000036
//2^642^64-1-1000000006^24bit
//MOD
Num x = 0;
rep(k, p) {
x += at(i, k) * B.at(k, j);
//if((x >> 60) == 0xf)
x %= MOD;
}
x %= MOD;
w[i][j] = x;
}
v.swap(w);
return *this;
}
Matrix& operator+=(const Matrix& B) {
int n = height(), m = width();
assert(n == B.height() && m == B.width());
rep(i, n) rep(j, m) {
at(i, j) += B.at(i, j);
if(at(i, j) >= MOD) at(i, j) -= MOD;
}
return *this;
}
void undomult() { v.swap(w); }
};
Num Matrix::MOD=1000000007ULL;
ostream& operator<<(ostream& o, const Matrix& A) {
int n = A.height(), m = A.width();
rep(i, n) {
o << "["; rep(j, m) o << A.at(i, j) << (j+1 == m ? "]\n" : ",");
}
return o;
}
/* */
template<typename Mat>
Mat operator^(const Mat& t, ll k) {
Mat A = t, B = Mat::identity(t);
while(k) {
if(k & 1) {
B *= A;
}
A *= A;
k >>= 1;
}
return B;
}
int main(void)
{
int n;
Matrix mat(2,2);
mat.at(0,0)=1;mat.at(0,1)=3;
mat.at(1,0)=1;mat.at(1,1)=1;
cin>>n;
if(n==0)write(1),exit(0);
Matrix::MOD=1e3;
mat=mat^n;
write((mat.at(0,0)*2+1000-((n+1)%2))%1000);
return 0;
}
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