結果
| 問題 | No.318 学学学学学 |
| コンテスト | |
| ユーザー |
peroon
|
| 提出日時 | 2019-11-21 21:56:40 |
| 言語 | C++14 (gcc 13.3.0 + boost 1.89.0) |
| 結果 |
AC
|
| 実行時間 | 546 ms / 2,000 ms |
| コード長 | 5,839 bytes |
| 記録 | |
| コンパイル時間 | 2,029 ms |
| コンパイル使用メモリ | 187,308 KB |
| 実行使用メモリ | 22,912 KB |
| 最終ジャッジ日時 | 2024-10-11 02:08:36 |
| 合計ジャッジ時間 | 9,919 ms |
|
ジャッジサーバーID (参考情報) |
judge4 / judge3 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 26 |
ソースコード
#include<bits/stdc++.h>
using namespace std;
using ll = long long;
using VI = vector<ll>;
using VV = vector<VI>;
using VS = vector<string>;
// tourist set
template <typename A, typename B>
string to_string(pair<A, B> p);
template <typename A, typename B, typename C>
string to_string(tuple<A, B, C> p);
template <typename A, typename B, typename C, typename D>
string to_string(tuple<A, B, C, D> p);
string to_string(const string& s) {
return '"' + s + '"';
}
string to_string(const char* s) {
return to_string((string) s);
}
string to_string(bool b) {
return (b ? "true" : "false");
}
string to_string(vector<bool> v) {
bool first = true;
string res = "{";
for (int i = 0; i < static_cast<int>(v.size()); i++) {
if (!first) {
res += ", ";
}
first = false;
res += to_string(v[i]);
}
res += "}";
return res;
}
template <size_t N>
string to_string(bitset<N> v) {
string res = "";
for (size_t i = 0; i < N; i++) {
res += static_cast<char>('0' + v[i]);
}
return res;
}
template <typename A>
string to_string(A v) {
bool first = true;
string res = "{";
for (const auto &x : v) {
if (!first) {
res += ", ";
}
first = false;
res += to_string(x);
}
res += "}";
return res;
}
template <typename A, typename B>
string to_string(pair<A, B> p) {
return "(" + to_string(p.first) + ", " + to_string(p.second) + ")";
}
template <typename A, typename B, typename C>
string to_string(tuple<A, B, C> p) {
return "(" + to_string(get<0>(p)) + ", " + to_string(get<1>(p)) + ", " + to_string(get<2>(p)) + ")";
}
template <typename A, typename B, typename C, typename D>
string to_string(tuple<A, B, C, D> p) {
return "(" + to_string(get<0>(p)) + ", " + to_string(get<1>(p)) + ", " + to_string(get<2>(p)) + ", " + to_string(get<3>(p)) + ")";
}
void debug_out() { cerr << '\n'; }
template <typename Head, typename... Tail>
void debug_out(Head H, Tail... T) {
cerr << " " << to_string(H);
debug_out(T...);
}
#ifdef LOCAL
#define debug(...) cerr << "[" << #__VA_ARGS__ << "]:", debug_out(__VA_ARGS__)
#else
#define debug(...) 42
#endif
// tourist set end
template<class T>bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0; }
template<class T>bool chmin(T &a, const T &b) { if (b<a) { a=b; return 1; } return 0; }
#define FOR(i,a,b) for(ll i=(a);i<(b);++i)
#define rep(i,b) FOR(i, 0, b)
#define ALL(v) (v).begin(), (v).end()
#define p(s) cout<<(s)<<'\n'
#define p2(s, t) cout << (s) << " " << (t) << '\n'
#define br() p("")
#define pn(s) cout << (#s) << " " << (s) << '\n'
#define p_yes() p("YES")
#define p_no() p("NO")
#define SZ(x) ((int)(x).size())
#define SORT(A) sort(ALL(A))
#define RSORT(A) sort(ALL(A), greater<ll>())
void no(){p_no(); exit(0);}
void yes(){p_yes(); exit(0);}
const ll mod = 1e9 + 7;
const ll inf = 1e18;
const double PI = acos(-1);
struct RBST {
struct node {
ll val, size;
node *lch, *rch;
ll mx;
ll lazy;
node(ll val) : val(val), mx(val), size(1), lch(0), rch(0), lazy(-1) {}
};
node *root;
RBST(ll n) {
root = build(0, n);
}
node *build(ll l, ll r) {
if (r - l == 1) return new node(0);
return merge(build(l, (l + r) / 2), build((l + r) / 2, r));
}
unsigned xor32() {
static unsigned z = time(NULL);
z ^= z << 13; z ^= z >> 17; z ^= z << 5;
return z;
}
ll size(node *x) {
return x ? x->size : 0;
}
ll mx(node *x) {
return x ? x->mx : -inf;
}
node *push(node *x) {
x->size = 1 + size(x->lch) + size(x->rch);
if (x->lazy != -1) {
x->val = x->lazy;
if (x->lch) x->lch->lazy = x->lazy;
if (x->rch) x->rch->lazy = x->lazy;
x->lazy = -1;
}
x->mx = max({ x->val, mx(x->lch), mx(x->rch) });
return x;
}
node *merge(node *x, node *y) {
if (!x) return y;
if (!y) return x;
if (xor32() % (size(x) + size(y)) < size(x)) {
x = push(x);
x->rch = merge(x->rch, y);
return push(x);
} else {
y = push(y);
y->lch = merge(x, y->lch);
return push(y);
}
}
pair<node *, node *> split(node *x, ll k) {
if (!x) return{ 0, 0 };
x = push(x);
if (size(x->lch) >= k) {
auto p = split(x->lch, k);
x->lch = p.second;
return{ p.first, push(x) };
} else {
auto p = split(x->rch, k - size(x->lch) - 1);
x->rch = p.first;
return{ push(x), p.second };
}
}
node *insert(node *x, ll k, ll v) {
auto p = split(x, k);
node *n = new node(v);
return merge(p.first, merge(n, p.second));
}
node *erase(node *x, ll k) {
auto p = split(x, k);
return merge(p.first, split(p.second, 1).second);
}
void push_back(ll v) {
root = merge(root, new node(v));
}
ll lower_bound(node *x, ll v) {
if (!x) return 0;
if (v < x->val) return lower_bound(x->lch, v);
return lower_bound(x->rch, v) + size(x->lch) + 1;
}
node *at(node *x, ll k) {
if (size(x->lch) == k) return x;
if (size(x->lch) > k) return at(x->lch, k);
return at(x->rch, k - size(x->lch) - 1);
}
void update(ll a, ll b, ll v) {
auto x = split(root, b);
auto y = split(x.first, a);
y.second->lazy = v;
root = merge(merge(y.first, y.second), x.second);
}
ll query(ll a, ll b) {
auto x = split(root, b);
auto y = split(x.first, a);
ll ret = mx(y.second);
root = merge(merge(y.first, y.second), x.second);
return ret;
}
};
int main(){
cin.tie(0);
ios::sync_with_stdio(false);
// input
ll N;
cin >> N;
VI A(N);
rep(i, N){
cin >> A.at(i);
}
map<ll, ll> first, last;
rep(i, N){
ll a = A[i];
last[a] = i;
}
for(int i=N-1; i>=0; i--){
ll a = A[i];
first[a] = i;
}
auto seg = RBST(N);
for(auto kv : first){
ll v = kv.first;
ll l = first[v];
ll r = last[v];
seg.update(l, r+1, v);
}
rep(i, N){
if(i) cout << ' ';
cout << seg.query(i, i+1);
}
cout << endl;
return 0;
}
peroon