結果

問題 No.1998 Manhattan Restaurant
ユーザー ecottea
提出日時 2022-07-02 00:45:59
言語 C++14
(gcc 13.3.0 + boost 1.87.0)
結果
AC  
実行時間 57 ms / 2,000 ms
コード長 11,066 bytes
コンパイル時間 4,562 ms
コンパイル使用メモリ 245,132 KB
実行使用メモリ 6,400 KB
最終ジャッジ日時 2024-11-26 09:06:17
合計ジャッジ時間 6,720 ms
ジャッジサーバーID
(参考情報)
judge2 / judge4
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ファイルパターン 結果
sample AC * 4
other AC * 31
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ソースコード

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プレゼンテーションモードにする

#ifndef HIDDEN_IN_VS //
//
#define _CRT_SECURE_NO_WARNINGS
//
#include <bits/stdc++.h>
using namespace std;
//
using ll = long long; // -2^63 2^63 = 9 * 10^18int -2^31 2^31 = 2 * 10^9
using pii = pair<int, int>; using pll = pair<ll, ll>; using pil = pair<int, ll>; using pli = pair<ll, int>;
using vi = vector<int>; using vvi = vector<vi>; using vvvi = vector<vvi>;
using vl = vector<ll>; using vvl = vector<vl>; using vvvl = vector<vvl>;
using vb = vector<bool>; using vvb = vector<vb>; using vvvb = vector<vvb>;
using vc = vector<char>; using vvc = vector<vc>; using vvvc = vector<vvc>;
using vd = vector<double>; using vvd = vector<vd>; using vvvd = vector<vvd>;
template <class T> using priority_queue_rev = priority_queue<T, vector<T>, greater<T>>;
using Graph = vvi;
//
const double PI = acos(-1);
const vi DX = { 1, 0, -1, 0 }; // 4
const vi DY = { 0, 1, 0, -1 };
int INF = 1001001001; ll INFL = 4004004004004004004LL;
double EPS = 1e-12; // 調
//
struct fast_io { fast_io() { cin.tie(nullptr); ios::sync_with_stdio(false); cout << fixed << setprecision(18); } } fastIOtmp;
//
#define all(a) (a).begin(), (a).end()
#define sz(x) ((int)(x).size())
#define lbpos(a, x) (int)distance((a).begin(), std::lower_bound(all(a), x))
#define ubpos(a, x) (int)distance((a).begin(), std::upper_bound(all(a), x))
#define Yes(b) {cout << ((b) ? "Yes\n" : "No\n");}
#define YES(b) {cout << ((b) ? "YES\n" : "NO\n");}
#define rep(i, n) for(int i = 0, i##_len = ll(n); i < i##_len; ++i) // 0 n-1
#define repi(i, s, t) for(int i = int(s), i##_end = int(t); i <= i##_end; ++i) // s t
#define repir(i, s, t) for(int i = int(s), i##_end = int(t); i >= i##_end; --i) // s t
#define repe(v, a) for(const auto& v : (a)) // a
#define repea(v, a) for(auto& v : (a)) // a
#define repb(set, d) for(int set = 0; set < (1 << int(d)); ++set) // d
#define repp(a) sort(all(a)); for(bool a##_perm = true; a##_perm; a##_perm = next_permutation(all(a))) // a
#define smod(n, m) ((((n) % (m)) + (m)) % (m)) // mod
#define uniq(a) {sort(all(a)); (a).erase(unique(all(a)), (a).end());} //
#define EXIT(a) {cout << (a) << endl; exit(0);} //
//
template <class T> inline ll pow(T n, int k) { ll v = 1; rep(i, k) v *= n; return v; }
template <class T> inline bool chmax(T& M, const T& x) { if (M < x) { M = x; return true; } return false; } // true
    
template <class T> inline bool chmin(T& m, const T& x) { if (m > x) { m = x; return true; } return false; } // true
    
//
template <class T, class U> inline istream& operator>>(istream& is, pair<T, U>& p) { is >> p.first >> p.second; return is; }
template <class T> inline istream& operator>>(istream& is, vector<T>& v) { repea(x, v) is >> x; return is; }
template <class T> inline vector<T>& operator--(vector<T>& v) { repea(x, v) --x; return v; }
template <class T> inline vector<T>& operator++(vector<T>& v) { repea(x, v) ++x; return v; }
// Visual Studio
#ifdef _MSC_VER
#include "local.hpp"
// gcc
#else
inline int popcount(int n) { return __builtin_popcount(n); }
inline int popcount(ll n) { return __builtin_popcountll(n); }
inline int lsb(int n) { return n != 0 ? __builtin_ctz(n) : -1; }
inline int lsb(ll n) { return n != 0 ? __builtin_ctzll(n) : -1; }
inline int msb(int n) { return n != 0 ? (31 - __builtin_clz(n)) : -1; }
inline int msb(ll n) { return n != 0 ? (63 - __builtin_clzll(n)) : -1; }
#define gcd __gcd
#define dump(...)
#define dumpel(v)
#define input_from_file(f)
#define output_to_file(f)
#endif
#endif //
//--------------AtCoder --------------
#include <atcoder/all>
using namespace atcoder;
using mint = modint1000000007;
//using mint = modint998244353;
//using mint = modint; // mint::set_mod(m);
istream& operator>>(istream& is, mint& x) { ll x_; is >> x_; x = x_; return is; }
ostream& operator<<(ostream& os, const mint& x) { os << x.val(); return os; }
using vm = vector<mint>; using vvm = vector<vm>; using vvvm = vector<vvm>;
//----------------------------------------
//
/*
* Separated_multiset_sum() : O(1)
*
*
* bool empty_l(), empty_h() : O(1)
*
*
* int size_l(), size_h() : O(1)
*
*
* void insert_l(T val), insert_h(T val) : O(log n)
* val set_l <= set_h
*
* T max_l(), min_h() : O(log n)
* []
*
* bool erase_l(T val), erase_h(T val) : O(log n)
* val false
*
* void decrease_l(), decrease_r() : O(log n)
* 1 1
*
* T sum_l(), sum_h() : O(1)
*
*/
template <class T> struct Separated_multiset_sum {
int nl, nh;
multiset<T> sl, sh;
T suml, sumh;
//
Separated_multiset_sum() : nl(0), nh(0), suml(T(0)), sumh(T(0)) {}
//
bool empty_l() const { return nl == 0; }
bool empty_h() const { return nh == 0; }
//
int size_l() const { return nl; }
int size_h() const { return nh; }
// val
void insert_l(const T& val) {
// verify : https://atcoder.jp/contests/abc249/tasks/abc249_f
if (nh == 0 || val <= *sh.begin()) {
sl.insert(val);
suml += val;
}
else {
T v = *sh.begin();
sl.insert(v);
sh.erase(sh.begin());
sh.insert(val);
suml += v;
sumh += val - v;
}
nl++;
}
void insert_h(const T& val) {
if (nl == 0 || val >= *sl.rbegin()) {
sh.insert(val);
sumh += val;
}
else {
T v = *sl.rbegin();
sh.insert(v);
sl.erase(prev(sl.end()));
sl.insert(val);
sumh += v;
suml += val - v;
}
nh++;
}
// []
T max_l() const { return nl > 0 ? *sl.rbegin() : numeric_limits<T>::min(); }
T min_h() const { return nh > 0 ? *sh.begin() : numeric_limits<T>::max(); }
// val
bool erase_l(const T& val) {
assert(nl > 0);
auto it_l = sl.lower_bound(val);
if (it_l != sl.end() && *it_l == val) {
sl.erase(it_l);
suml -= val;
nl--;
return true;
}
auto it_h = sh.lower_bound(val);
if (it_h != sh.end() && *it_h == val) {
T v = *sl.rbegin();
sh.erase(it_h);
sh.insert(v);
sl.erase(prev(sl.end()));
suml -= v;
sumh -= val - v;
nl--;
return true;
}
return false;
}
bool erase_h(const T& val) {
assert(nh > 0);
auto it_h = sh.lower_bound(val);
if (it_h != sh.end() && *it_h == val) {
sh.erase(it_h);
sumh -= val;
nh--;
return true;
}
auto it_l = sl.lower_bound(val);
if (it_l != sl.end() && *it_l == val) {
T v = *sh.begin();
sl.erase(it_l);
sl.insert(v);
sh.erase(sh.begin());
sumh -= v;
suml -= val - v;
nh--;
return true;
}
return false;
}
//
T sum_l() const { return suml; }
T sum_h() const { return sumh; }
// 1
void decrese_l() {
// verify : https://atcoder.jp/contests/abc249/tasks/abc249_f
assert(nl > 0);
T v = *sl.rbegin();
sl.erase(prev(sl.end()));
sh.insert(v);
suml -= v; sumh += v;
nl--; nh++;
}
void decrese_h() {
assert(nh > 0);
T v = *sh.begin();
sh.erase(sh.begin());
sl.insert(v);
sumh -= v; suml += v;
nh--; nl++;
}
#ifdef _MSC_VER
friend ostream& operator<<(ostream& os, const Separated_multiset_sum<T>& sms) {
os << "l: " << sms.sl << endl;
os << "h: " << sms.sh << endl;
os << "sum: " << sms.suml << " " << sms.sumh << endl;
return os;
}
#endif
};
// max(d1, d2, ..., dn) d1 + d2 + ... + dn
// WA
void WA() {
int n;
cin >> n;
vl x(n), y(n);
rep(i, n) cin >> x[i] >> y[i];
ll res = INFL;
rep(s, 2) {
vector<pll> xy(n);
rep(i, n) xy[i] = { x[i], y[i] };
sort(all(xy));
vvl d(2, vl(n - 1));
rep(t, 2) {
Separated_multiset_sum<ll> xs, ys;
rep(i, n - 1) {
if (i % 2 == 0) {
xs.insert_l(xy[i].first);
ys.insert_l(xy[i].second);
}
else {
xs.insert_h(xy[i].first);
ys.insert_h(xy[i].second);
}
ll mx = xs.max_l();
ll dx = xs.size_l() * mx - xs.sum_l();
dx += xs.sum_h() - xs.size_h() * mx;
ll my = ys.max_l();
ll dy = ys.size_l() * my - ys.sum_l();
dy += ys.sum_h() - ys.size_h() * my;
d[t][i] = dx + dy;
}
reverse(all(xy));
}
reverse(all(d[1]));
dumpel(d);
rep(i, n - 1) chmin(res, d[0][i] + d[1][i]);
swap(x, y);
}
cout << res << endl;
}
//O(log|ok - ng|)
/*
* okQ() ok ng
* ok
*/
template <typename T> T meguru_search(T ok, T ng, function<bool(T)>& okQ) {
// : https://twitter.com/meguru_comp/status/697008509376835584
// verify : https://onlinejudge.u-aizu.ac.jp/courses/lesson/1/ALDS1/all/ALDS1_4_D
//
while (abs(ok - ng) > 1) {
//
T mid = (ok + ng) / 2;
// OK
if (okQ(mid)) ok = mid;
else ng = mid;
}
return ok;
/* okQ
function<bool(ll)> okQ = [&](ll x) {
return true || false;
};
*/
}
int main() {
input_from_file("input.txt");
// output_to_file("output.txt");
int n;
cin >> n;
vl x(n), y(n);
rep(i, n) cin >> x[i] >> y[i];
ll res = INFL;
vl u(n), v(n);
rep(i, n) {
u[i] = (x[i] + y[i]) / 2;
v[i] = (x[i] - y[i]) / 2;
}
rep(t, 2) {
ll u_min = *min_element(all(u));
ll u_max = *max_element(all(u));
ll v_min = *min_element(all(v));
ll v_max = *max_element(all(v));
// l 2
function<bool(ll)> okQ = [&](ll r) {
rep(i, n) {
if (u[i] <= u_min + r && v[i] <= v_min + r) continue;
if (u[i] >= u_max - r && v[i] >= v_max - r) continue;
return false;
}
return true;
};
ll ret = meguru_search(INFL / 100, -1LL, okQ);
dump(ret);
chmin(res, ret);
rep(i, n) v[i] *= -1;
}
cout << res << endl;
}
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