結果
| 問題 |
No.2687 所により大雨
|
| コンテスト | |
| ユーザー |
emthrm
|
| 提出日時 | 2024-03-20 23:19:53 |
| 言語 | C++23 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 472 ms / 2,000 ms |
| コード長 | 6,364 bytes |
| コンパイル時間 | 3,353 ms |
| コンパイル使用メモリ | 261,940 KB |
| 実行使用メモリ | 11,136 KB |
| 最終ジャッジ日時 | 2024-09-30 09:25:55 |
| 合計ジャッジ時間 | 9,307 ms |
|
ジャッジサーバーID (参考情報) |
judge3 / judge5 |
(要ログイン)
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 4 |
| other | AC * 25 |
ソースコード
#include <bits/stdc++.h>
using namespace std;
#define FOR(i,m,n) for(int i=(m);i<(n);++i)
#define REP(i,n) FOR(i,0,n)
using ll = long long;
constexpr int INF = 0x3f3f3f3f;
constexpr long long LINF = 0x3f3f3f3f3f3f3f3fLL;
constexpr double EPS = 1e-8;
constexpr int MOD = 998244353;
// constexpr int MOD = 1000000007;
constexpr int DY4[]{1, 0, -1, 0}, DX4[]{0, -1, 0, 1};
constexpr int DY8[]{1, 1, 0, -1, -1, -1, 0, 1};
constexpr int DX8[]{0, -1, -1, -1, 0, 1, 1, 1};
template <typename T, typename U>
inline bool chmax(T& a, U b) { return a < b ? (a = b, true) : false; }
template <typename T, typename U>
inline bool chmin(T& a, U b) { return a > b ? (a = b, true) : false; }
struct IOSetup {
IOSetup() {
std::cin.tie(nullptr);
std::ios_base::sync_with_stdio(false);
std::cout << fixed << setprecision(20);
}
} iosetup;
template <typename T>
struct IntervalsManagedBySet {
using IntervalsType = std::set<std::pair<T, T>>;
IntervalsType intervals{
{std::numeric_limits<T>::lowest(), std::numeric_limits<T>::lowest()},
{std::numeric_limits<T>::max(), std::numeric_limits<T>::max()}};
IntervalsManagedBySet() = default;
bool contains(const T x) const { return contains(x, x); }
bool contains(const T left, const T right) const {
return find(left, right) != intervals.end();
}
std::pair<typename IntervalsType::const_iterator, bool> erase(const T x) {
typename IntervalsType::const_iterator it = intervals.lower_bound({x, x});
if (it->first == x) {
const T right = it->second;
it = intervals.erase(it);
if (x + 1 <= right) it = intervals.emplace(x + 1, right).first;
} else {
it = std::prev(it);
const auto [left, right] = *it;
if (right < x) return {std::next(it), false};
intervals.erase(it);
it = std::next(intervals.emplace(left, x - 1).first);
if (x + 1 <= right) it = intervals.emplace(x + 1, right).first;
}
return {it, true};
}
std::pair<typename IntervalsType::const_iterator, T> erase(
const T left, const T right) {
assert(left <= right);
typename IntervalsType::const_iterator it =
intervals.lower_bound({left, left});
T res = 0;
for (; it->second <= right; it = intervals.erase(it)) {
res += it->second - it->first + 1;
}
if (it->first <= right) {
res += right - it->first + 1;
const T r = it->second;
intervals.erase(it);
it = intervals.emplace(right + 1, r).first;
}
if (left <= std::prev(it)->second) {
it = std::prev(it);
const auto [l, r] = *it;
intervals.erase(it);
if (right < r) {
res += right - left + 1;
intervals.emplace(right + 1, r);
} else {
res += r - left + 1;
}
it = std::next(intervals.emplace(l, left - 1).first);
}
return {it, res};
}
typename IntervalsType::const_iterator find(const T x) const {
return find(x, x);
}
typename IntervalsType::const_iterator find(
const T left, const T right) const {
typename IntervalsType::const_iterator it =
intervals.lower_bound({left, left});
if (left < it->first) it = std::prev(it);
return it->first <= left && right <= it->second ? it : intervals.end();
}
std::pair<typename IntervalsType::const_iterator, bool> insert(const T x) {
typename IntervalsType::const_iterator it = intervals.lower_bound({x, x});
if (it->first == x) return {it, false};
if (x <= std::prev(it)->second) return {std::prev(it), false};
T left = x, right = x;
if (x + 1 == it->first) {
right = it->second;
it = intervals.erase(it);
}
if (std::prev(it)->second == x - 1) {
it = std::prev(it);
left = it->first;
intervals.erase(it);
}
return {intervals.emplace(left, right).first, true};
}
std::pair<typename IntervalsType::const_iterator, T> insert(T left, T right) {
assert(left <= right);
typename IntervalsType::const_iterator it =
intervals.lower_bound({left, left});
if (left <= std::prev(it)->second) {
it = std::prev(it);
left = it->first;
}
T res = 0;
if (left == it->first && right <= it->second) return {it, res};
for (; it->second <= right; it = intervals.erase(it)) {
res -= it->second - it->first + 1;
}
if (it->first <= right) {
res -= it->second - it->first + 1;
right = it->second;
it = intervals.erase(it);
}
res += right - left + 1;
if (right + 1 == it->first) {
right = it->second;
it = intervals.erase(it);
}
if (std::prev(it)->second == left - 1) {
it = std::prev(it);
left = it->first;
intervals.erase(it);
}
return {intervals.emplace(left, right).first, res};
}
T mex(const T x = 0) const {
auto it = intervals.lower_bound({x, x});
if (x <= std::prev(it)->second) it = std::prev(it);
return x < it->first ? x : it->second + 1;
}
friend std::ostream& operator<<(std::ostream& os,
const IntervalsManagedBySet& x) {
if (x.intervals.size() == 2) return os;
auto it = next(x.intervals.begin());
while (true) {
os << '[' << it->first << ", " << it->second << ']';
it = next(it);
if (next(it) == x.intervals.end()) break;
os << ' ';
}
return os;
}
};
int main() {
int n, m; cin >> n >> m;
vector<pair<ll, ll>> lr(n + m); REP(i, n + m) cin >> lr[i].first >> lr[i].second;
int k; cin >> k;
sort(lr.begin(), next(lr.begin(), n));
FOR(i, 1, n) {
if (lr[i].first <= lr[i - 1].second) {
REP(j, k) cout << 1 << " \n"[j + 1 == k];
return 0;
}
}
sort(next(lr.begin(), n), lr.end());
FOR(i, n + 1, n + m) {
if (lr[i].first <= lr[i - 1].second) {
REP(j, k) cout << 1 << " \n"[j + 1 == k];
return 0;
}
}
IntervalsManagedBySet<ll> intervals;
REP(i, n) intervals.insert(lr[i].first, lr[i].second);
REP(i, k) {
int p; cin >> p;
bool e = false;
FOR(j, n, n + m) {
const ll tl = lr[j].first - p, tr = lr[j].second - p;
const auto it = intervals.intervals.lower_bound({p - tr, p - tr});
if (intervals.contains(p - tr) || (it != intervals.intervals.end() && it->first <= p - tl)) {
e = true;
break;
}
}
cout << (e ? 1 : 0) << " \n"[i + 1 == k];
}
return 0;
}
emthrm