結果

問題 No.2441 行列累乗
ユーザー kw_c
提出日時 2023-09-16 08:07:46
言語 C++17
(gcc 13.3.0 + boost 1.87.0)
結果
AC  
実行時間 2 ms / 2,000 ms
コード長 4,594 bytes
コンパイル時間 2,701 ms
コンパイル使用メモリ 202,360 KB
最終ジャッジ日時 2025-02-16 22:56:45
ジャッジサーバーID
(参考情報)
judge3 / judge1
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ファイルパターン 結果
other AC * 20
権限があれば一括ダウンロードができます

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;
#define rep(i,n) for (int i = 0; i < (n); ++i)
#define rrep(i,n) for (int i = n-1; i >= (0); --i)
#define IO ios::sync_with_stdio(0),cin.tie(0);
#define fi first
#define se second
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
#define pb push_back
#define pf push_front
#define eb emplace_back
#define ef emplace_front
#define bpop(x) __builtin_popcount(x)
#define bpopll(x) __builtin_popcountll(x)
template<class T>
bool chmin(T &a, const T &b) { if (a > b) { a = b; return true; } return false; }
template<class T>
bool chmax(T &a, const T &b) { if (a < b) { a = b; return true; } return false; }
void print_imp() {}
template<class First, class... Rest>
void print_imp(First f, Rest... r) { cout<<f; if (sizeof...(r)) cout<<" "; print_imp(r...); }
template<class... Args>
void print(Args... args) { print_imp(args...); cout << endl; }
template<class T>
void print_pair(vector<T> &v) { for (auto [a,b] : v) print(a, b); }
template<class T>
void print_vec(vector<T> &v) { rep(i, v.size()) {cout << v[i]; if (i == v.size()-1) cout << endl; else cout << " ";} }
template<class T>
void print_mat(vector<vector<T>> &m) { for (auto v : m) print_vec(v); }
template<class T>
void print_bit(T s, int n) { rep(i, n) {if (s>>i&1) cout<<1; else cout<<0;} cout<<endl; }
void print_double(double x) { cout << fixed << setprecision(15) << x << endl; }
template<class T>
using min_pq = priority_queue<T, vector<T>, greater<T>>;
template<class T>
using vt = vector<T>;
template<class T>
using vvt = vt<vt<T>>;
using ll = long long;
using pii = pair<int, int>;
using pil = pair<int, ll>;
using pli = pair<ll, int>;
using pll = pair<ll, ll>;
using pdd = pair<double, double>;
const ll MOD = 1e9 + 7;
const int INF = 1001001001;
const ll LINF = 4e18;
const double PI = 3.14159265358979323846;
/*
- comb modintnCk,nPk,nHk
- matrix
- Mo Mo's algorithm
- segtree_min/max segtree
- RMQ/RMAQ_min/max lazy_segtree //
- RSQ/RSAQ lazy_segtree /
- Eratosthenes
- Factorize : O(sqrt(x))
- dydx, dydx8 dy,dx={,,,}
- grid_continue if (i < 0 || j < 0 || i >= h || j >= w) continue;
- Pascal
- Graph
- dijkstra
- bellman_ford
- topological_sort
- find_cycle_directed
- bfs01 01-BFS
- tree_diameter
- euler_tour
- build_LCA, get_LCA LCA
- build_tree_dist
- dfs_temp DFS
- init_tree_from_parents Graph
- init_graph_from_grid Graph
*/
template<typename T>
struct Matrix {
int h, w;
vector<vector<T>> d;
Matrix() {}
Matrix(int h, int w, T val=0) : h(h), w(w), d(h, vector<T>(w,val)) {}
Matrix& unit() {
assert(h == w);
rep(i, h) d[i][i] = 1;
return *this;
}
const vector<T>& operator[](int i) const { return d[i]; }
vector<T>& operator[](int i) { return d[i]; }
Matrix operator*(const Matrix& a) const {
assert(w == a.h);
Matrix r(h, a.w);
rep(i, h) rep(k, w) rep(j, a.w) {
r[i][j] += d[i][k] * a[k][j];
}
return r;
}
Matrix pow(ll t) const {
assert(h == w);
if (!t) return Matrix(h, h).unit();
if (t == 1) return *this;
Matrix r = pow(t>>1);
r = r*r;
if (t&1) r = r*(*this);
return r;
}
};
void solve() {
int a, b, c, d;
cin >> a >> b >> c >> d;
Matrix<int> x(2, 2);
x[0][0] = a;
x[0][1] = b;
x[1][0] = c;
x[1][1] = d;
auto y = x.pow(3);
rep(i, 2) {
rep(j, 2) {
cout << y[i][j] << " ";
}
cout << endl;
}
}
int main() {
IO
/* int t; cin >> t; rep(_, t) solve(); */
solve();
return 0;
}
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