結果

問題 No.1460 Max of Min
ユーザー ecottea
提出日時 2023-03-02 02:27:12
言語 C++17
(gcc 13.3.0 + boost 1.87.0)
結果
AC  
実行時間 1,963 ms / 2,000 ms
コード長 10,176 bytes
コンパイル時間 4,810 ms
コンパイル使用メモリ 266,268 KB
実行使用メモリ 7,324 KB
最終ジャッジ日時 2025-03-16 13:34:48
合計ジャッジ時間 29,142 ms
ジャッジサーバーID
(参考情報)
judge5 / judge2
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ファイルパターン 結果
sample AC * 3
other AC * 91
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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

#ifndef HIDDEN_IN_VS //
//
#define _CRT_SECURE_NO_WARNINGS
//
#include <bits/stdc++.h>
using namespace std;
//
using ll = long long; // -2^63 2^63 = 9 * 10^18int -2^31 2^31 = 2 * 10^9
using pii = pair<int, int>; using pll = pair<ll, ll>; using pil = pair<int, ll>; using pli = pair<ll, int>;
using vi = vector<int>; using vvi = vector<vi>; using vvvi = vector<vvi>;
using vl = vector<ll>; using vvl = vector<vl>; using vvvl = vector<vvl>;
using vb = vector<bool>; using vvb = vector<vb>; using vvvb = vector<vvb>;
using vc = vector<char>; using vvc = vector<vc>; using vvvc = vector<vvc>;
using vd = vector<double>; using vvd = vector<vd>; using vvvd = vector<vvd>;
template <class T> using priority_queue_rev = priority_queue<T, vector<T>, greater<T>>;
using Graph = vvi;
//
const double PI = acos(-1);
const vi DX = { 1, 0, -1, 0 }; // 4
const vi DY = { 0, 1, 0, -1 };
int INF = 1001001001; ll INFL = 4004004004004004004LL;
double EPS = 1e-12;
//
struct fast_io { fast_io() { cin.tie(nullptr); ios::sync_with_stdio(false); cout << fixed << setprecision(18); } } fastIOtmp;
//
#define all(a) (a).begin(), (a).end()
#define sz(x) ((int)(x).size())
#define lbpos(a, x) (int)distance((a).begin(), std::lower_bound(all(a), x))
#define ubpos(a, x) (int)distance((a).begin(), std::upper_bound(all(a), x))
#define Yes(b) {cout << ((b) ? "Yes\n" : "No\n");}
#define rep(i, n) for(int i = 0, i##_len = int(n); i < i##_len; ++i) // 0 n-1
#define repi(i, s, t) for(int i = int(s), i##_end = int(t); i <= i##_end; ++i) // s t
#define repir(i, s, t) for(int i = int(s), i##_end = int(t); i >= i##_end; --i) // s t
#define repe(v, a) for(const auto& v : (a)) // a
#define repea(v, a) for(auto& v : (a)) // a
#define repb(set, d) for(int set = 0; set < (1 << int(d)); ++set) // d
#define repp(a) sort(all(a)); for(bool a##_perm = true; a##_perm; a##_perm = next_permutation(all(a))) // a
#define smod(n, m) ((((n) % (m)) + (m)) % (m)) // mod
#define uniq(a) {sort(all(a)); (a).erase(unique(all(a)), (a).end());} //
#define EXIT(a) {cout << (a) << endl; exit(0);} //
//
template <class T> inline ll pow(T n, int k) { ll v = 1; rep(i, k) v *= n; return v; }
template <class T> inline bool chmax(T& M, const T& x) { if (M < x) { M = x; return true; } return false; } // true
    
template <class T> inline bool chmin(T& m, const T& x) { if (m > x) { m = x; return true; } return false; } // true
    
//
template <class T, class U> inline istream& operator>>(istream& is, pair<T, U>& p) { is >> p.first >> p.second; return is; }
template <class T> inline istream& operator>>(istream& is, vector<T>& v) { repea(x, v) is >> x; return is; }
template <class T> inline vector<T>& operator--(vector<T>& v) { repea(x, v) --x; return v; }
template <class T> inline vector<T>& operator++(vector<T>& v) { repea(x, v) ++x; return v; }
// Visual Studio
#ifdef _MSC_VER
#include "local.hpp"
// gcc
#else
inline int popcount(int n) { return __builtin_popcount(n); }
inline int popcount(ll n) { return __builtin_popcountll(n); }
inline int lsb(int n) { return n != 0 ? __builtin_ctz(n) : -1; }
inline int lsb(ll n) { return n != 0 ? __builtin_ctzll(n) : -1; }
inline int msb(int n) { return n != 0 ? (31 - __builtin_clz(n)) : -1; }
inline int msb(ll n) { return n != 0 ? (63 - __builtin_clzll(n)) : -1; }
#define gcd __gcd
#define dump(...)
#define dumpel(v)
#define dump_list(v)
#define dump_list2D(v)
#define input_from_file(f)
#define output_to_file(f)
#define Assert(b) { if (!(b)) while (1) cout << "OLE"; }
#endif
#endif //
#if __has_include(<atcoder/all>)
#include <atcoder/all>
using namespace atcoder;
//using mint = modint1000000007;
//using mint = modint998244353;
using mint = modint; // mint::set_mod(m);
istream& operator>>(istream& is, mint& x) { ll x_; is >> x_; x = x_; return is; }
ostream& operator<<(ostream& os, const mint& x) { os << x.val(); return os; }
using vm = vector<mint>; using vvm = vector<vm>; using vvvm = vector<vvm>;
#endif
//
/*
* Matrix<S, add, o, mul, e>(m, n) : O(m n)
* m * n
* <S, add, o, mul, e>
*
* Matrix<S, add, o, mul, e>(n) : O(n^2)
* n * n
*
* Matrix<S, add, o, mul, e>(a) : O(m n)
* a
*
* A + B : O(m n)
* m * n A, B += 使
*
* c * A A * c : O(m n)
* m * n A c
*
* A * x x * A : O(m n)
* []
*
* A * B : O(l m n)
* l * m A m * n B
*
* pow(d) : O(n^3 log d)
* d
*/
template <class S, S(*add)(S, S), S(*o)(), S(*mul)(S, S), S(*e)()>
struct Matrix {
int m, n; // m n
vector<vector<S>> v; //
//
Matrix() : m(0), n(0) {}
Matrix(int m, int n) : m(m), n(n), v(m, vector<S>(n, o())) {}
Matrix(int n) : m(n), n(n), v(n, vector<S>(n, o())) { rep(i, n) v[i][i] = e(); }
Matrix(const vector<vector<S>>& a) : m(sz(a)), n(sz(a[0])), v(a) {}
//
Matrix(const Matrix& b) = default;
Matrix& operator=(const Matrix& b) = default;
//
friend istream& operator>>(istream& is, Matrix& a) {
rep(i, a.m) rep(j, a.n) is >> a[i][j];
return is;
}
//
vector<S> const& operator[](int i) const { return v[i]; }
vector<S>& operator[](int i) { return v[i]; }
//
bool operator==(const Matrix& b) const { return m == b.m && n == b.n && v == b.v; }
bool operator!=(const Matrix& b) const { return !(*this == b); }
//
Matrix& operator+=(const Matrix& b) {
rep(i, m) rep(j, n) v[i][j] = add(v[i][j], b[i][j]);
return *this;
}
Matrix operator+(const Matrix& b) const { Matrix a = *this; return a += b; }
//
Matrix operator*(const S& c) const {
Matrix res(*this);
rep(i, m) rep(j, n) res[i][j] = mul(res[i][j], c);
return res;
}
friend Matrix operator*(const S& c, const Matrix& a) {
Matrix res(a);
rep(i, a.m) rep(j, a.n) res[i][j] = mul(c, res[i][j]);
return res;
}
// : O(m n)
vector<S> operator*(const vector<S>& x) const {
vector<S> y(m, o());
rep(i, m) rep(j, n) y[i] = add(y[i], mul(v[i][j], x[j]));
return y;
}
// : O(m n)
friend vector<S> operator*(const vector<S>& x, const Matrix& a) {
// verify : https://codeforces.com/contest/1681/problem/E
vector<S> y(a.n, o());
rep(i, a.m) rep(j, a.n) y[j] = add(y[j], mul(x[i], a[i][j]));
return y;
}
// O(n^3)
Matrix operator*(const Matrix& b) const {
// verify : https://codeforces.com/contest/1681/problem/E
Matrix res(m, b.n);
rep(i, res.m) rep(j, res.n) rep(k, n) res[i][j] = add(res[i][j], mul(v[i][k], b[k][j]));
return res;
}
// O(n^3 log d)
Matrix pow(ll d) const {
// verify : https://atcoder.jp/contests/abc009/tasks/abc009_4
Matrix res(n), pow2(*this);
while (d > 0) {
if ((d & 1) != 0) res = res * pow2;
pow2 = pow2 * pow2;
d /= 2;
}
return res;
}
#ifdef _MSC_VER
friend ostream& operator<<(ostream& os, const Matrix& a) {
rep(i, a.m) {
rep(j, a.n) os << a[i][j] << " ";
os << endl;
}
return os;
}
#endif
};
//max - min
/*
*
*/
using S808 = ll;
S808 add808(S808 x, S808 y) { return max(x, y); }
S808 o808() { return -INFL; }
S808 mul808(S808 x, S808 y) { return min(x, y); }
S808 e808() { return INFL; }
#define Max_min_semiring S808, add808, o808, mul808, e808
//O(d^3 log n)
/*
* a[0..d) a[i] = Σj=[0..d) c[j]a[i-1-j]
* <S, add, o, mul, e> a a[n]
*
*
*/
template <class S, S(*add)(S, S), S(*o)(), S(*mul)(S, S), S(*e)()>
S linearly_recurrent_sequence(vector<S> a, const vector<S>& c, ll n) {
// verify : https://atcoder.jp/contests/abc009/tasks/abc009_4
int d = sz(a);
//
Matrix<S, add, o, mul, e> mat(d, d);
rep(j, d) mat[0][j] = c[j];
repi(i, 1, d - 1) mat[i][i - 1] = e();
//
reverse(all(a));
//
return (mat.pow(n) * a)[d - 1];
}
ll TLE(int k, ll n, vl a, vl b) {
reverse(all(b));
return linearly_recurrent_sequence<Max_min_semiring>(a, b, n);
}
void zikken(int k, ll n, vl a, vl b) {
int d = sz(a);
reverse(all(b));
//
Matrix<Max_min_semiring> mat(d, d);
rep(j, d) mat[0][j] = b[j];
repi(i, 1, d - 1) mat[i][i - 1] = e808();
rep(i, 20) {
dump(i);
dump(mat.pow(i) * a);
}
exit(0);
}
ll solve(int k, ll n, vl a, vl b) {
using T = deque<ll>;
auto f = [&](T& x) {
ll val = -INFL;
rep(i, k) chmax(val, min(x[i], b[i]));
x.pop_front();
x.push_back(val);
};
T x;
rep(i, k) x.push_back(a[i]);
T y(x);
do {
if (n == 0) return x[0];
n--;
f(x);
f(y);
f(y);
} while (x != y);
int c = 0;
do {
f(x);
f(y);
f(y);
c++;
} while (x != y);
n %= c;
do {
if (n == 0) return x[0];
n--;
f(x);
f(y);
f(y);
} while (x != y);
return x[0];
}
int main() {
input_from_file("input.txt");
// output_to_file("output.txt");
int k; ll n;
cin >> k >> n;
vl a(k), b(k);
cin >> a >> b;
// zikken(k, n, a, b);
cout << solve(k, n, a, b) << endl;
}
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