結果

問題 No.2421 entersys?
ユーザー shobonvip
提出日時 2023-08-12 14:06:44
言語 C++17
(gcc 13.3.0 + boost 1.87.0)
結果
AC  
実行時間 756 ms / 3,000 ms
コード長 6,389 bytes
コンパイル時間 4,065 ms
コンパイル使用メモリ 277,400 KB
最終ジャッジ日時 2025-02-16 04:12:30
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 * 1
other AC * 28
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;
//* ATCODER
#include<atcoder/all>
using namespace atcoder;
typedef modint998244353 mint;
//*/
/* BOOST MULTIPRECISION
#include<boost/multiprecision/cpp_int.hpp>
using namespace boost::multiprecision;
//*/
typedef long long ll;
#define rep(i, s, n) for (int i = (int)(s); i < (int)(n); i++)
#define rrep(i, s, n) for (int i = (int)(n)-1; i >= (int)(s); i--)
template <typename T> bool chmin(T &a, const T &b) {
if (a <= b) return false;
a = b;
return true;
}
template <typename T> bool chmax(T &a, const T &b) {
if (a >= b) return false;
a = b;
return true;
}
template <typename T> T max(vector<T> &a){
assert(!a.empty());
T ret = a[0];
for (int i=0; i<(int)a.size(); i++) chmax(ret, a[i]);
return ret;
}
template <typename T> T min(vector<T> &a){
assert(!a.empty());
T ret = a[0];
for (int i=0; i<(int)a.size(); i++) chmin(ret, a[i]);
return ret;
}
template <typename T> T sum(vector<T> &a){
T ret = 0;
for (int i=0; i<(int)a.size(); i++) ret += a[i];
return ret;
}
// https://lorent-kyopro.hatenablog.com/entry/2021/03/12/025644
template <class S, S (*op)(S, S), S (*e)()> class dynamic_segtree {
public:
dynamic_segtree(size_t n) : n(n), root(nullptr) {}
void set(size_t p, S x) {
assert(p < n);
set(root, 0, n, p, x);
}
S get(size_t p) const {
assert(p < n);
return get(root, 0, n, p);
}
S prod(size_t l, size_t r) const {
assert(l <= r && r <= n);
return prod(root, 0, n, l, r);
}
S all_prod() const { return root ? root->product : e(); }
void reset(size_t l, size_t r) {
assert(l <= r && r <= n);
return reset(root, 0, n, l, r);
}
template <bool (*f)(S)> size_t max_right(size_t l) const {
return max_right(l, [](S x) { return f(x); });
}
template <class F> size_t max_right(size_t l, const F& f) const {
assert(l <= n);
S product = e();
assert(f(product));
return max_right(root, 0, n, l, f, product);
}
template <bool (*f)(S)> size_t min_left(size_t r) const {
return min_left(r, [](S x) { return f(x); });
}
template <class F> size_t min_left(size_t r, const F& f) const {
assert(r <= n);
S product = e();
assert(f(product));
return min_left(root, 0, n, r, f, product);
}
private:
struct node;
using node_ptr = std::unique_ptr<node>;
struct node {
size_t index;
S value, product;
node_ptr left, right;
node(size_t index, S value)
: index(index),
value(value),
product(value),
left(nullptr),
right(nullptr) {}
void update() {
product = op(op(left ? left->product : e(), value),
right ? right->product : e());
}
};
const size_t n;
node_ptr root;
void set(node_ptr& t, size_t a, size_t b, size_t p, S x) const {
if (!t) {
t = std::make_unique<node>(p, x);
return;
}
if (t->index == p) {
t->value = x;
t->update();
return;
}
size_t c = (a + b) >> 1;
if (p < c) {
if (t->index < p) std::swap(t->index, p), std::swap(t->value, x);
set(t->left, a, c, p, x);
} else {
if (p < t->index) std::swap(p, t->index), std::swap(x, t->value);
set(t->right, c, b, p, x);
}
t->update();
}
S get(const node_ptr& t, size_t a, size_t b, size_t p) const {
if (!t) return e();
if (t->index == p) return t->value;
size_t c = (a + b) >> 1;
if (p < c) return get(t->left, a, c, p);
else return get(t->right, c, b, p);
}
S prod(const node_ptr& t, size_t a, size_t b, size_t l, size_t r) const {
if (!t || b <= l || r <= a) return e();
if (l <= a && b <= r) return t->product;
size_t c = (a + b) >> 1;
S result = prod(t->left, a, c, l, r);
if (l <= t->index && t->index < r) result = op(result, t->value);
return op(result, prod(t->right, c, b, l, r));
}
void reset(node_ptr& t, size_t a, size_t b, size_t l, size_t r) const {
if (!t || b <= l || r <= a) return;
if (l <= a && b <= r) {
t.reset();
return;
}
size_t c = (a + b) >> 1;
reset(t->left, a, c, l, r);
reset(t->right, c, b, l, r);
t->update();
}
template <class F>
size_t max_right(const node_ptr& t, size_t a, size_t b,
size_t l, const F& f, S& product) const {
if (!t || b <= l) return n;
if (f(op(product, t->product))) {
product = op(product, t->product);
return n;
}
size_t c = (a + b) >> 1;
size_t result = max_right(t->left, a, c, l, f, product);
if (result != n) return result;
if (l <= t->index) {
product = op(product, t->value);
if (!f(product)) return t->index;
}
return max_right(t->right, c, b, l, f, product);
}
template <class F>
size_t min_left(const node_ptr& t, size_t a, size_t b,
size_t r, const F& f, S& product) const {
if (!t || r <= a) return 0;
if (f(op(t->product, product))) {
product = op(t->product, product);
return 0;
}
size_t c = (a + b) >> 1;
size_t result = min_left(t->right, c, b, r, f, product);
if (result != 0) return result;
if (t->index < r) {
product = op(t->value, product);
if (!f(product)) return t->index + 1;
}
return min_left(t->left, a, c, r, f, product);
}
};
int op(int a, int b){
return a + b;
}
int e(){
return 0;
}
int main(){
ios_base::sync_with_stdio(false);
cin.tie(NULL);
int n, q; cin >> n;
dynamic_segtree<int,op,e> seg(1e9+50);
vector<map<int,int>> sg(300000);
int piv = 0;
map<string,int> g;
rep(i,0,n){
string x;
int l, r; cin >> x >> l >> r;
if (g.find(x) == g.end()){
g[x] = piv;
piv++;
}
seg.set(l, seg.get(l) + 1);
seg.set(r+1, seg.get(r+1) - 1);
sg[g[x]][l] += 1;
sg[g[x]][r+1] += -1;
if (sg[g[x]][l] == 0){
sg[g[x]].erase(l);
}
if (sg[g[x]][r+1] == 0){
sg[g[x]].erase(r+1);
}
}
cin >> q;
rep(i,0,q){
int t; cin >> t;
if (t == 1){
string x; int v; cin >> x >> v;
if (g.find(x) == g.end()){
g[x] = piv;
piv++;
}
auto k = sg[g[x]].upper_bound(v);
if (k == sg[g[x]].begin()){
cout << "No\n";
continue;
}
k--;
if (k->second == 1){
cout << "Yes\n";
}else{
cout << "No\n";
}
}else if (t == 2){
int v; cin >> v;
cout << seg.prod(0, v + 1) << '\n';
}else{
string x;
int l, r; cin >> x >> l >> r;
if (g.find(x) == g.end()){
g[x] = piv;
piv++;
}
seg.set(l, seg.get(l) + 1);
seg.set(r+1, seg.get(r+1) - 1);
sg[g[x]][l] += 1;
sg[g[x]][r+1] += -1;
if (sg[g[x]][l] == 0){
sg[g[x]].erase(l);
}
if (sg[g[x]][r+1] == 0){
sg[g[x]].erase(r+1);
}
}
}
}
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