結果

問題 No.3017 交互浴
ユーザー ecottea
提出日時 2025-01-25 13:13:43
言語 C++17
(gcc 13.3.0 + boost 1.87.0)
結果
AC  
実行時間 465 ms / 2,000 ms
コード長 8,878 bytes
コンパイル時間 4,250 ms
コンパイル使用メモリ 262,948 KB
実行使用メモリ 9,984 KB
最終ジャッジ日時 2025-01-25 22:38:49
合計ジャッジ時間 26,581 ms
ジャッジサーバーID
(参考情報)
judge6 / judge8
このコードへのチャレンジ
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ファイルパターン 結果
sample AC * 1
other AC * 55
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

#ifndef HIDDEN_IN_VS //
//
#define _CRT_SECURE_NO_WARNINGS
//
#include <bits/stdc++.h>
using namespace std;
//
using ll = long long; using ull = unsigned long long; // -2^63 2^63 = 9e18int -2^31 2^31 = 2e9
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 vvvvi = vector<vvvi>;
using vl = vector<ll>; using vvl = vector<vl>; using vvvl = vector<vvl>; using vvvvl = vector<vvvl>;
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);
int DX[4] = { 1, 0, -1, 0 }; // 4
int DY[4] = { 0, 1, 0, -1 };
int INF = 1001001001; ll INFL = 4004004003094073385LL; // (int)INFL = INF, (int)(-INFL) = -INF;
//
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 rep(i, n) for(int i = 0, i##_len = int(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##_ub = 1 << int(d); set < set##_ub; ++set) // d
#define repis(i, set) for(int i = lsb(set), bset##i = set; i < 32; bset##i -= 1 << i, i = lsb(bset##i)) // set
#define repp(a) sort(all(a)); for(bool a##_perm = true; a##_perm; a##_perm = next_permutation(all(a))) // a
#define uniq(a) {sort(all(a)); (a).erase(unique(all(a)), (a).end());} //
#define EXIT(a) {cout << (a) << endl; exit(0);} //
#define inQ(x, y, u, l, d, r) ((u) <= (x) && (l) <= (y) && (x) < (d) && (y) < (r)) //
//
template <class T> inline ll powi(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> inline T getb(T set, int i) { return (set >> i) & T(1); }
template <class T> inline T smod(T n, T m) { n %= m; if (n < 0) n += m; return n; } // mod
//
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; }
#endif //
#if __has_include(<atcoder/all>)
#include <atcoder/all>
using namespace atcoder;
#ifdef _MSC_VER
#include "localACL.hpp"
#endif
using mint = modint998244353;
//using mint = static_modint<1000000007>;
//using mint = modint; // mint::set_mod(m);
namespace atcoder {
inline istream& operator>>(istream& is, mint& x) { ll x_; is >> x_; x = x_; return is; }
inline ostream& operator<<(ostream& os, const mint& x) { os << x.val(); return os; }
}
using vm = vector<mint>; using vvm = vector<vm>; using vvvm = vector<vvm>; using vvvvm = vector<vvvm>; using pim = pair<int, mint>;
#endif
#ifdef _MSC_VER // Visual Studio
#include "local.hpp"
#else // gcc
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) : 32; }
inline int lsb(ll n) { return n != 0 ? __builtin_ctzll(n) : 64; }
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 dump(...)
#define dumpel(...)
#define dump_math(v)
#define input_from_file(f)
#define output_to_file(f)
#define Assert(b) { if (!(b)) { vc MLE(1<<30); EXIT(MLE.back()); } } // RE MLE
#endif
//
/*
* Interval_map<S, T>(S L, S R, T v0) : O(1)
* [L..R) a[L..R) = v0
*
* void set_interval(S l, S r, T v) : O(log n)
* a[l..r) = v
*
* T get(S i) : O(log n)
* a[i]
*
* tuple<S, S, T> get_interval(S i) : O(log n)
* i a[l..r)=v 3 {l, r, v}
*
* vector<tuple<S, S, T>> get_all(S l, S r) : O(n)
* a[l..r) {, , }
* set_interval(l, r, v) O(log n)
*/
template <class S, class T>
struct Interval_map {
// L, R : [L..R)
S L, R;
// l_to_v[l] : [l..r) r l
map<S, T> l_to_v;
public:
// [L..R) a[L..R) = v0
Interval_map(S L, S R, T v0) : L(L), R(R) {
// verify : https://atcoder.jp/contests/typical90/tasks/typical90_ac
// 使
l_to_v[L - 1] = T(INFL) + 1;
l_to_v[L] = v0;
l_to_v[R] = T(INFL) + 1;
}
Interval_map() : L(0), R(0) {}
// a[l..r) = v
void set_interval(S l, S r, T v) {
// verify : https://atcoder.jp/contests/typical90/tasks/typical90_ac
chmax(l, L); chmin(r, R);
if (l >= r) return;
auto it = l_to_v.upper_bound(l);
auto pit = prev(it);
T vR = pit->second;
if (pit->first == l) {
pit = l_to_v.erase(pit);
pit = prev(pit);
}
T vL = pit->second;
//
while (it != l_to_v.end()) {
if (it->first > r) break;
vR = it->second;
it = l_to_v.erase(it);
}
if (v != vR) l_to_v[r] = vR;
if (v != vL) l_to_v[l] = v;
}
// a[i]
T get(S i) {
// verify : https://codeforces.com/contest/1638/problem/E
Assert(L <= i); Assert(i < R);
return prev(l_to_v.upper_bound(i))->second;
}
// i a[l..r)=v 3 {l, r, v}
tuple<S, S, T> get_interval(S i) {
// verify : https://atcoder.jp/contests/abc380/tasks/abc380_e
Assert(L <= i); Assert(i < R);
auto it = l_to_v.upper_bound(i);
auto pit = prev(it);
return { pit->first, it->first, pit->second };
}
// a[l..r) {, , }
vector<tuple<S, S, T>> get_all(S l, S r) {
// verify : https://atcoder.jp/contests/typical90/tasks/typical90_ac
chmax(l, L); chmin(r, R);
if (l >= r) return vector<tuple<S, S, T>>();
vector<tuple<S, S, T>> res;
auto nit = l_to_v.upper_bound(l), it = prev(nit);
S i = it->first;
while (i < r) {
S ni = nit->first;
res.emplace_back(max(i, l), min(ni, r), it->second);
i = ni;
it = nit++;
}
return res;
}
#ifdef _MSC_VER
friend ostream& operator<<(ostream& os, const Interval_map& IM) {
auto it = next(IM.l_to_v.begin());
while (it->first < IM.R) {
os << "[" << it->first << "," << next(it)->first << "):" << it->second << " ";
it++;
}
return os;
}
#endif
};
int main() {
// input_from_file("input.txt");
// output_to_file("output.txt");
int n;
cin >> n;
Interval_map<ll, int> I(0LL, INFL, 0);
ll res = 0;
rep(i, n) {
ll h;
cin >> h;
auto lrcs = I.get_all(0LL, h);
ll sub = 0;
for (auto [l, r, c] : lrcs) {
if (c == 1) {
sub += r - l;
}
}
res -= sub;
if (i & 1) {
I.set_interval(0, h, 0);
}
else {
I.set_interval(0, h, 1);
res += h;
}
cout << res << endl;
dump(I);
}
}
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