結果
| 問題 |
No.2809 Sort Query
|
| コンテスト | |
| ユーザー |
Pres1dent
|
| 提出日時 | 2024-07-14 16:05:18 |
| 言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
RE
|
| 実行時間 | - |
| コード長 | 5,675 bytes |
| コンパイル時間 | 6,630 ms |
| コンパイル使用メモリ | 310,540 KB |
| 最終ジャッジ日時 | 2025-02-22 06:40:30 |
|
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 * 1 WA * 3 RE * 67 |
ソースコード
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
#include <bits/stdc++.h>
#include <atcoder/all>
using namespace std;
using namespace atcoder;
using ll = long long;
using lll = __int128;
using i64 = long long;
using i128 = __int128;
constexpr int INF = numeric_limits<int>::max();
constexpr ll LNF= numeric_limits<ll>::max();
using ull = unsigned long long;
using ld = long double;
using i_i = pair<int, int>;
using l_l = pair<ll, ll>;
using d_d = pair<double, double>;
using s_s = pair<string, string>;
using i_i_i = tuple<int, int, int>;
using i_i_i_i = tuple<int, int, int, int>;
using i_i_i_i_i = tuple<int, int, int, int, int>;
using l_l_l = tuple<ll, ll, ll>;
using l_l_l_l = tuple<ll, ll, ll, ll>;
using l_l_l_l_l = tuple<ll, ll, ll, ll, ll>;
using _bool = int;
#define rep2(i, m, n) for (ll i = (m); i < (n); ++i)
#define rep(i, n) rep2(i, 0, n)
#define drep2(i, m, n) for (ll i = (n)-1; i >= (m); --i)
#define drep(i, n) drep2(i, 0, n)
#define ifbit(n,k) ((n>>k)&1) //if kth bit of n is on then true (sitakara, 0-indexed)
#define zpad(i) cout << setfill('0') << setw(i)
#define dout cout << fixed << setprecision(10)
#define douts(i) cout << fixed << setprecision(i) << scientific
#define pcnt __builtin_popcountll
template <class T, class U> bool chmax(T &l, const U &r) { if (l < r) { l = r; return true; } return false; }
template <class T, class U> bool chmin(T &l, const U &r) { if (l > r) { l = r; return true; } return false; }
template <class T> pair<int, bool> ub(const vector<T> &v, const T &key) { int ind = upper_bound(v.begin(), v.end(), key) - v.begin(); if (ind == (int)v.size()) return make_pair(0, false); return make_pair(ind, true); }
template <class T> pair<int, bool> rub(const vector<T> &v, const T &key) { int ind = upper_bound(v.rbegin(), v.rend(), key, [](const T & l, const T & r) { return l > r; }) - v.rbegin(); if (ind == (int)v.size()) return make_pair(0, false); return make_pair((int)v.size() - 1 - ind, true); }
template <class T> pair<int, bool> lb(const vector<T> &v, const T &key) { int ind = lower_bound(v.begin(), v.end(), key) - v.begin(); if (ind == (int)v.size()) return make_pair(0, false); return make_pair(ind, true); }
template <class T> pair<int, bool> rlb(const vector<T> &v, const T &key) { int ind = lower_bound(v.rbegin(), v.rend(), key, [](const T & l, const T & r) { return l > r; }) - v.rbegin(); if (ind == (int)v.size()) return make_pair(0, false); return make_pair((int)v.size() - 1 - ind, true); }
vector<int> di = { -1, 0, 1, 0 };
vector<int> dj = { 0, 1, 0, -1 };
ll my_pow(ll a, int x) { assert(x >= 0); ll ret = 1; rep(i, x) { assert(LNF / x > a); ret *= a; } return ret; }
template <class T> struct Treap {
private:
struct Node {
int key, pri, sz;
Node *l, *r;
Node(int k, int p) : key(k), pri(p), l(nullptr), r(nullptr) {}
} *root = nullptr;
int size(Node *t) const {
return (t ? t->sz : 0);
}
void update(Node *&t) {
if (!t) return;
t->sz = size(t->l) + size(t->r) + 1;
}
void split(Node *&t, T key, Node *&l, Node *&r) {
if (!t) {
l = r = nullptr;
} else if (key < t->key) {
split(t->l, key, l, t->l);
r = t;
} else {
split(t->r, key, t->r, r);
l = t;
}
update(t);
}
void merge(Node *&t, Node *l, Node *r) {
if (!l or !r) {
t = (l ? l : r);
} else if (l->pri < r->pri) {
t = r;
merge(t->l, l, r->l);
} else {
t = l;
merge(t->r, l->r, r);
}
update(t);
}
void insert(Node *&t, Node *v) {
if (!t) {
t = v;
} else if (v->pri < t->pri) {
insert(v->key < t->key ? t->l : t->r, v);
} else {
split(t, v->key, v->l, v->r);
t = v;
}
update(t);
}
void erase(Node *&t, T key) {
if (!t) return;
if (t->key == key) {
merge(t, t->l, t->r);
} else {
erase(key < t->key ? t->l : t->r, key);
}
update(t);
}
bool exist(Node *&t, T key) const {
if (!t) {
return false;
} else if (t->key == key) {
return true;
} else if (key < t->key) {
return exist(t->l, key);
} else {
return exist(t->r, key);
}
}
void all(Node *t, vector<T> &ret) const {
if (!t) return;
all(t->l, ret);
ret.emplace_back(t->key);
all(t->r, ret);
}
T split2(Node *t, int ind) const {
if (!t) assert(0 && "couln't find by index");
int t_ind = size(t->l);
if (ind == t_ind) {
return t->key;
} else if (ind < t_ind) {
return split2(t->l, ind);
} else {
return split2(t->r, ind - t_ind - 1);
}
}
public:
void insert(T key) {
insert(root, new Node(key, rand()));
}
void erase(T key) {
erase(root, key);
}
bool exist(T key) {
return exist(root, key);
}
vector<T> all(void) {
vector<T> ret;
all(root, ret);
return ret;
}
int size(void) {
return size(root);
}
T at(int ind) {
assert(0 <= ind and ind < size());
return split2(root, ind);
}
};
int main() {
int n, q; cin >> n >> q;
vector<int> A(n); rep(i, n) cin >> A[i];
Treap<int> t;
rep(i, n) t.insert(A[i]);
map<int, int> mp;
rep(i, q) {
int op; cin >> op;
if (op == 1) {
int k, x; cin >> k >> x;
k--;
mp[k] = x;
} else if (op == 2) {
vector<int> tmp;
for (auto [k, v] : mp) {
tmp.push_back(t.at(k));
}
for (auto e : tmp) {
t.erase(e);
}
for (auto [k, v] : mp) {
t.insert(v);
}
mp = {};
} else {
int k; cin >> k;
k--;
if (mp.find(k) == mp.end()) {
cout << t.at(k) << endl;
} else {
cout << mp[k] << endl;
}
}
}
}
Pres1dent