結果

問題 No.1730 GCD on Blackboard in yukicoder
ユーザー ecottea
提出日時 2021-11-08 16:37:12
言語 C++14
(gcc 13.3.0 + boost 1.87.0)
結果
TLE  
実行時間 -
コード長 12,028 bytes
コンパイル時間 4,449 ms
コンパイル使用メモリ 243,396 KB
実行使用メモリ 44,160 KB
最終ジャッジ日時 2024-11-16 11:37:56
合計ジャッジ時間 31,805 ms
ジャッジサーバーID
(参考情報)
judge2 / judge4
このコードへのチャレンジ
(要ログイン)
ファイルパターン 結果
sample AC * 2
other AC * 16 TLE * 8
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

#ifndef HIDDEN_IN_VISUAL_STUDIO //
//
#define _CRT_SECURE_NO_WARNINGS
// 使
#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 = 3.14159265359;
const double DEG = PI / 180.; // θ [deg] = θ * DEG [rad]
const vi dx4 = { 1, 0, -1, 0 }; // 4
const vi dy4 = { 0, 1, 0, -1 };
const vi dx8 = { 1, 1, 0, -1, -1, -1, 0, 1 }; // 8
const vi dy8 = { 0, 1, 1, 1, 0, -1, -1, -1 };
const int INF = 1001001001; const ll INFL = 4004004004004004004LL;
const double EPS = 1e-10; // 調
//
struct fast_io { fast_io() { cin.tie(nullptr); ios::sync_with_stdio(false); cout << fixed << setprecision(15); } } fastIOtmp;
//
#define all(a) (a).begin(), (a).end()
#define sz(x) ((int)(x).size())
#define distance (int)distance
#define Yes(b) {cout << ((b) ? "Yes" : "No") << endl;}
#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 repit(it, a) for(auto it = (a).begin(); it != (a).end(); ++it) //
#define repitr(it, a) for(auto it = (a).rbegin(); it != (a).rend(); ++it) //
#define smod(n, m) ((((n) % (m)) + (m)) % (m)) // mod
#define uniq(a) {sort(all(a)); a.erase(unique(all(a)), a.end());} //
//
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, class U> inline ostream& operator<< (ostream& os, const pair<T, U>& p) { os << "(" << p.first << "," << p.second << ")"; return os
    ; }
template <class T, class U, class V> inline istream& operator>> (istream& is, tuple<T, U, V>& t) { is >> get<0>(t) >> get<1>(t) >> get<2>(t); return
    is; }
template <class T, class U, class V> inline ostream& operator<< (ostream& os, const tuple<T, U, V>& t) { os << "(" << get<0>(t) << "," << get<1>(t)
    << "," << get<2>(t) << ")"; return os; }
template <class T, class U, class V, class W> inline istream& operator>> (istream& is, tuple<T, U, V, W>& t) { is >> get<0>(t) >> get<1>(t) >> get<2
    >(t) >> get<3>(t); return is; }
template <class T, class U, class V, class W> inline ostream& operator<< (ostream& os, const tuple<T, U, V, W>& t) { os << "(" << get<0>(t) << "," <<
    get<1>(t) << "," << get<2>(t) << "," << get<3>(t) << ")"; return os; }
template <class T> inline istream& operator>> (istream& is, vector<T>& v) { repea(x, v) is >> x; return is; }
template <class T> inline ostream& operator<< (ostream& os, const vector<T>& v) { repe(x, v) os << x << " "; return os; }
template <class T> inline ostream& operator<< (ostream& os, const set<T>& s) { repe(x, s) os << x << " "; return os; }
template <class T> inline ostream& operator<< (ostream& os, const unordered_set<T>& s) { repe(x, s) os << x << " "; return os; }
template <class T, class U> inline ostream& operator<< (ostream& os, const map<T, U>& m) { repe(p, m) os << p << " "; return os; }
template <class T, class U> inline ostream& operator<< (ostream& os, const unordered_map<T, U>& m) { repe(p, m) os << p << " "; return os; }
template <class T> inline ostream& operator<< (ostream& os, stack<T> s) { while (!s.empty()) { os << s.top() << " "; s.pop(); } return os; }
template <class T> inline ostream& operator<< (ostream& os, queue<T> q) { while (!q.empty()) { os << q.front() << " "; q.pop(); } return os; }
template <class T> inline ostream& operator<< (ostream& os, deque<T> q) { while (!q.empty()) { os << q.front() << " "; q.pop_front(); } return os; }
template <class T> inline ostream& operator<< (ostream& os, priority_queue<T> q) { while (!q.empty()) { os << q.top() << " "; q.pop(); } return os; }
template <class T> inline ostream& operator<< (ostream& os, priority_queue_rev<T> q) { while (!q.empty()) { os << q.top() << " "; q.pop(); } return
    os; }
// Visual Studio
#ifdef _MSC_VER
#define popcount (int)__popcnt // 1
#define popcountll (int)__popcnt64
inline int lsb(unsigned int n) { unsigned long i; _BitScanForward(&i, n); return i; } // 0-indexed
inline int lsbll(unsigned long long n) { unsigned long i; _BitScanForward64(&i, n); return i; }
inline int msb(unsigned int n) { unsigned long i; _BitScanReverse(&i, n); return i; } // 0-indexed
inline int msbll(unsigned long long n) { unsigned long i; _BitScanReverse64(&i, n); return i; }
template <class T> T gcd(T a, T b) { return b ? gcd(b, a % b) : a; }
#define dump(x) cout << "\033[1;36m" << (x) << "\033[0m" << endl;
#define dumps(x) cout << "\033[1;36m" << (x) << "\033[0m ";
#define dumpel(a) { int i = 0; cout << "\033[1;36m"; repe(x, a) {cout << i++ << ": " << x << endl;} cout << "\033[0m"; }
#define input_from_file(f) ifstream isTMP(f); cin.rdbuf(isTMP.rdbuf());
#define output_to_file(f) ofstream osTMP(f); cout.rdbuf(osTMP.rdbuf());
// gcc
#else
#define popcount (int)__builtin_popcount
#define popcountll (int)__builtin_popcountll
#define lsb __builtin_ctz
#define lsbll __builtin_ctzll
#define msb(n) (31 - __builtin_clz(n))
#define msbll(n) (63 - __builtin_clzll(n))
#define gcd __gcd
#define dump(x)
#define dumps(x)
#define dumpel(v)
#define input_from_file(f)
#define output_to_file(f)
#endif
#endif //
//-----------------AtCoder -----------------
#include <atcoder/all>
using namespace atcoder;
//using mint = modint1000000007;
using mint = modint998244353;
//using mint = modint; // mint::set_mod(m);
template <class S, S(*op)(S, S), S(*e)()>ostream& operator<<(ostream& os, segtree<S, op, e> seg) { int n = seg.max_right(0, [](S x) {return true; });
    rep(i, n) os << seg.get(i) << " "; return os; }
template <class S, S(*op)(S, S), S(*e)(), class F, S(*mp)(F, S), F(*cp)(F, F), F(*id)()>ostream& operator<<(ostream& os, lazy_segtree<S, op, e, F, mp
    , cp, id> seg) { int n = seg.max_right(0, [](S x) {return true; }); rep(i, n) os << seg.get(i) << " "; return os; }
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>;
//----------------------------------------------
//O(√n)
/*
* n divs
*/
void divisors(ll n, vl& divs) {
divs.clear();
if (n == 1) {
divs.push_back(1);
return;
}
ll i = 1;
for (; i * i < n; i++) {
if (n % i == 0) {
divs.push_back(i);
divs.push_back(n / i);
}
}
if (i * i == n) divs.push_back(i);
sort(all(divs));
}
//O(n log(log n))
/*
* n ps
*/
void eratosthenes(int n, vi& ps) {
ps.clear();
//
vb is_prime(n + 1LL, true);
int i;
// √n i
for (i = 2; i <= n / i; i++) {
if (is_prime[i]) {
ps.push_back(i);
for (int j = i * i; j <= n; j += i) {
is_prime[j] = false;
}
}
}
// √n i
for (; i <= n; i++) {
if (is_prime[i]) ps.push_back(i);
}
}
// lcm
/*
* LCM_convolution(n) : O(n log(log n))
* n
*
* convolution_lcm(a, b) : O(n log(log n))
* c[k] = Σ_(lcm(i, j) = k) a[i] b[j] c
*
* zeta_divisor(a) : O(n log(log n))
* A[j] = Σ_(i | j) a[i] A
*
*
* mobius_divisor(A) : O(n log(log n))
* A[j] = Σ_(i | j) a[i] a
*
*
* 1-indexed a[0], b[0] 使
*
*
*/
template <typename T> struct LCM_convolution {
// : https://qiita.com/convexineq/items/afc84dfb9ee4ec4a67d5
vi ps; //
LCM_convolution() {}
LCM_convolution(int n) { eratosthenes(n, ps); }
void zeta_divisor(vector<T>& f) {
int n = sz(f);
//
repe(p, ps) {
repi(i, 1, (n - 1) / p) f[(ll)p * i] += f[i];
}
}
void mobius_divisor(vector<T>& f) {
int n = sz(f);
//
repe(p, ps) {
repir(i, (n - 1) / p, 1) f[(ll)p * i] -= f[i];
}
}
vector<T> convolution_lcm(vector<T> a, vector<T> b) {
int n = sz(a);
// max lcm max
zeta_divisor(a); zeta_divisor(b);
rep(i, n) a[i] *= b[i];
mobius_divisor(a);
return a;
}
};
template <typename T> vector<T> naive_convolution(vector<T> a, vector<T> b) {
int n = sz(a);
vector<T> c(n);
repi(i, 1, n - 1) {
repi(j, 1, n - 1) {
int k = i / gcd(i, j) * j;
if (k < n)
c[k] += a[i] * b[j];
}
}
return c;
}
void check() {
int n;
cin >> n;
vi a(n), b(n);
cin >> a >> b;
dump(a);
dump(b);
LCM_convolution<int> g(n);
auto res = g.convolution_lcm(a, b);
dump(res);
auto res2 = naive_convolution(a, b);
dump(res2);
}
int main() {
// input_from_file("input.txt");
// output_to_file("output.txt");
int n;
cin >> n;
vi a(n);
cin >> a;
map<ll, int> cnt;
rep(i, n) {
vl ds;
divisors(a[i], ds);
repe(d, ds) cnt[d]++;
}
vl res(n);
repe(tmp, cnt) {
ll d; int c;
tie(d, c) = tmp;
chmax(res[n - c], d);
}
repi(i, 1, n - 1) {
chmax(res[i], res[i - 1]);
}
rep(i, n) {
cout << res[i] << "\n";
}
}
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