結果
| 問題 |
No.1074 増殖
|
| コンテスト | |
| ユーザー |
🍮かんプリン
|
| 提出日時 | 2020-06-06 00:06:53 |
| 言語 | C++11(廃止可能性あり) (gcc 13.3.0) |
| 結果 |
AC
|
| 実行時間 | 905 ms / 2,000 ms |
| コード長 | 4,480 bytes |
| コンパイル時間 | 1,604 ms |
| コンパイル使用メモリ | 175,344 KB |
| 実行使用メモリ | 9,728 KB |
| 最終ジャッジ日時 | 2024-12-17 19:36:38 |
| 合計ジャッジ時間 | 8,676 ms |
|
ジャッジサーバーID (参考情報) |
judge3 / judge1 |
(要ログイン)
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 12 |
ソースコード
// 解説見て解いた
/**
* @FileName a.cpp
* @Author kanpurin
* @Created 2020.06.06 00:06:19
**/
#include "bits/stdc++.h"
using namespace std;
typedef long long ll;
template < typename Monoid >
struct LazySegmentTree {
private:
using Func = std::function< Monoid(Monoid, Monoid) >;
Func F = [](Monoid a, Monoid b) { return a + b; };
Monoid UNITY = 0;
int n;
std::vector< Monoid > node, lazy;
std::vector< int > prop;
void eval(int k, int l, int r) {
if (prop[k] != 0) {
node[k] = lazy[k] + (prop[k] == 1 ? node[k] : 0);
if (r - l > 1) {
lazy[2 * k + 1] = lazy[k] / 2 + (prop[k] == 1 ? lazy[2 * k + 1] : 0);
lazy[2 * k + 2] = lazy[k] / 2 + (prop[k] == 1 ? lazy[2 * k + 2] : 0);
prop[2 * k + 1] = prop[2 * k + 2] = prop[k];
}
lazy[k] = 0;
prop[k] = 0;
}
}
public:
LazySegmentTree(int m, Monoid val) {
n = 1;
while (n < m) n <<= 1;
node.resize(n * 2 - 1, UNITY);
lazy.resize(n * 2 - 1, 0);
prop.resize(n * 2 - 1, 0);
if (val != LazySegmentTree::UNITY) {
for (int i = 0; i < m; i++) node[n + i - 1] = val;
build();
}
}
LazySegmentTree(const std::vector< Monoid > &v) {
int sz = v.size();
n = 1;
while (n < sz) n <<= 1;
node.resize(n * 2 - 1, UNITY);
lazy.resize(n * 2 - 1, 0);
prop.resize(n * 2 - 1, 0);
for (int i = 0; i < sz; i++) node[i + n - 1] = v[i];
build();
}
void set(int k, const Monoid &x) {
node[n + k - 1] = x;
}
void build() {
for (int i = n - 2; i >= 0; i--) node[i] = F(node[2 * i + 1], node[2 * i + 2]);
}
void add_query(int a, int b, Monoid x, int k = 0, int l = 0, int r = -1) {
if (r < 0) r = n;
eval(k, l, r);
if (b <= l || r <= a) return;
if (a <= l && r <= b) {
prop[k] = 1;
lazy[k] += (r - l) * x;
eval(k, l, r);
} else {
add_query(a, b, x, 2 * k + 1, l, (r - l) / 2 + l);
add_query(a, b, x, 2 * k + 2, (r - l) / 2 + l, r);
node[k] = F(node[2 * k + 1], node[2 * k + 2]);
}
}
void update_query(int a, int b, Monoid x, int k = 0, int l = 0, int r = -1) {
if (r < 0) r = n;
eval(k, l, r);
if (b <= l || r <= a) return;
if (a <= l && r <= b) {
prop[k] = 2;
lazy[k] = (r - l) * x;
eval(k, l, r);
} else {
update_query(a, b, x, 2 * k + 1, l, (r - l) / 2 + l);
update_query(a, b, x, 2 * k + 2, (r - l) / 2 + l, r);
node[k] = F(node[2 * k + 1], node[2 * k + 2]);
}
}
Monoid get_query(int a, int b, int k = 0, int l = 0, int r = -1) {
if (r < 0) r = n;
if (r <= a || b <= l) return UNITY;
eval(k, l, r);
if (a <= l && r <= b) return node[k];
Monoid vl = get_query(a, b, 2 * k + 1, l, (r - l) / 2 + l);
Monoid vr = get_query(a, b, 2 * k + 2, (r - l) / 2 + l, r);
return F(vl, vr);
}
Monoid operator[](int x) {
return get_query(x, x + 1);
}
void print() {
for (int i = 0; i < n; i++) {
std::cout << i << "\t: " << get_query(i, i + 1) << std::endl;
}
}
};
int main() {
constexpr long long LLINF = 1e18 + 1;
int n;
cin >> n;
const int limit = 20000;
vector< LazySegmentTree< ll > > seg(4, LazySegmentTree< ll >(limit + 1, 0));
for (int i = 0; i < 4; i++) {
seg[i].update_query(0, 1, LLINF);
}
for (int i = 0; i < n; i++) {
ll ans = 0;
int x1, y1, x2, y2;
cin >> x1 >> y1 >> x2 >> y2;
pair< int, int > v[] = {{x2, y2}, {-x1, y2}, {-x1, -y1}, {x2, -y1}};
for (int k = 0; k < 4; k++) {
int x = v[k].first;
int y = v[k].second;
int l = 0, r = limit + 1;
while (r - l > 1) {
int mid = l + (r - l) / 2;
if (seg[k][mid] < y) {
r = mid;
} else {
l = mid;
}
}
if (r > x) continue;
ans -= seg[k].get_query(r, x + 1);
seg[k].update_query(r, x + 1, y);
ans += seg[k].get_query(r, x + 1);
}
cout << ans << endl;
}
return 0;
}
🍮かんプリン