結果
問題 | No.1077 Noelちゃんと星々4 |
ユーザー |
|
提出日時 | 2023-11-15 02:25:53 |
言語 | C++23 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 2 ms / 2,000 ms |
コード長 | 7,596 bytes |
コンパイル時間 | 2,350 ms |
コンパイル使用メモリ | 189,216 KB |
実行使用メモリ | 5,376 KB |
最終ジャッジ日時 | 2024-09-26 04:26:36 |
合計ジャッジ時間 | 2,841 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge5 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 2 |
other | AC * 20 |
ソースコード
#line 1 "test/yuki/yuki_1077.test.cpp"#define PROBLEM "https://yukicoder.me/problems/no/1077"#line 1 "template/template.hpp"#include <algorithm>#include <bit>#include <bitset>#include <cassert>#include <chrono>#include <climits>#include <cmath>#include <complex>#include <cstddef>#include <cstdint>#include <cstdlib>#include <cstring>#include <functional>#include <iomanip>#include <iostream>#include <limits>#include <map>#include <memory>#include <numbers>#include <numeric>#include <optional>#include <queue>#include <random>#include <ranges>#include <set>#include <stack>#include <string>#include <tuple>#include <type_traits>#include <unordered_map>#include <unordered_set>#include <utility>#include <vector>#define rep(i, a, n) for (int i = (int)(a); i < (int)(n); i++)#define rrep(i, a, n) for (int i = ((int)(n)-1); i >= (int)(a); i--)#define Rep(i, a, n) for (i64 i = (i64)(a); i < (i64)(n); i++)#define RRep(i, a, n) for (i64 i = ((i64)(n)-i64(1)); i >= (i64)(a); i--)#define all(v) (v).begin(), (v).end()#define rall(v) (v).rbegin(), (v).rend()#line 2 "template/debug_template.hpp"#line 4 "template/debug_template.hpp"namespace ebi {#ifdef LOCAL#define debug(...) \std::cerr << "LINE: " << __LINE__ << " [" << #__VA_ARGS__ << "]:", \debug_out(__VA_ARGS__)#else#define debug(...)#endifvoid debug_out() {std::cerr << std::endl;}template <typename Head, typename... Tail> void debug_out(Head h, Tail... t) {std::cerr << " " << h;if (sizeof...(t) > 0) std::cerr << " :";debug_out(t...);}} // namespace ebi#line 2 "template/int_alias.hpp"#line 4 "template/int_alias.hpp"namespace ebi {using std::size_t;using i8 = std::int8_t;using u8 = std::uint8_t;using i16 = std::int16_t;using u16 = std::uint16_t;using i32 = std::int32_t;using u32 = std::uint32_t;using i64 = std::int64_t;using u64 = std::uint64_t;using i128 = __int128_t;using u128 = __uint128_t;} // namespace ebi#line 2 "template/io.hpp"#line 7 "template/io.hpp"namespace ebi {template <typename T1, typename T2>std::ostream &operator<<(std::ostream &os, const std::pair<T1, T2> &pa) {return os << pa.first << " " << pa.second;}template <typename T1, typename T2>std::istream &operator>>(std::istream &os, std::pair<T1, T2> &pa) {return os >> pa.first >> pa.second;}template <typename T>std::ostream &operator<<(std::ostream &os, const std::vector<T> &vec) {for (std::size_t i = 0; i < vec.size(); i++)os << vec[i] << (i + 1 == vec.size() ? "" : " ");return os;}template <typename T>std::istream &operator>>(std::istream &os, std::vector<T> &vec) {for (T &e : vec) std::cin >> e;return os;}template <typename T>std::ostream &operator<<(std::ostream &os, const std::optional<T> &opt) {if (opt) {os << opt.value();} else {os << "invalid value";}return os;}void fast_io() {std::cout << std::fixed << std::setprecision(15);std::cin.tie(nullptr);std::ios::sync_with_stdio(false);}} // namespace ebi#line 2 "template/utility.hpp"#line 5 "template/utility.hpp"#line 7 "template/utility.hpp"namespace ebi {template <class T> inline bool chmin(T &a, T b) {if (a > b) {a = b;return true;}return false;}template <class T> inline bool chmax(T &a, T b) {if (a < b) {a = b;return true;}return false;}template <class T> T safe_ceil(T a, T b) {if (a % b == 0)return a / b;else if (a >= 0)return (a / b) + 1;elsereturn -((-a) / b);}template <class T> T safe_floor(T a, T b) {if (a % b == 0)return a / b;else if (a >= 0)return a / b;elsereturn -((-a) / b) - 1;}constexpr i64 LNF = std::numeric_limits<i64>::max() / 4;constexpr int INF = std::numeric_limits<int>::max() / 2;const std::vector<int> dy = {1, 0, -1, 0, 1, 1, -1, -1};const std::vector<int> dx = {0, 1, 0, -1, 1, -1, 1, -1};} // namespace ebi#line 2 "data_structure/slope_trick.hpp"#line 6 "data_structure/slope_trick.hpp"/*reference: https://maspypy.com/slope-trick-1-%e8%a7%a3%e8%aa%ac%e7%b7%a8*/namespace ebi {template <class T> struct slope_trick {private:using Self = slope_trick<T>;void pop_L() {if (L.empty()) return;L.pop();return;}T top_L() const {if (L.empty()) return -INF;return L.top() + add_L;}void push_L(const T &a) {L.push(a - add_L);return;}void pop_R() {if (R.empty()) return;R.pop();return;}T top_R() const {if (R.empty()) return INF;return R.top() + add_R;}void push_R(const T &a) {R.push(a - add_R);return;}int size() {return L.size() + R.size();}void swap(Self &a, Self &b) {std::swap(a.min_f, b.min_f);std::swap(a.L, b.L);std::swap(a.R, b.R);std::swap(a.add_L, b.add_L);std::swap(a.add_R, b.add_R);return;}public:slope_trick() : min_f(0), add_L(0), add_R(0) {}T min() const {return min_f;}std::pair<T, T> argmin() const {return {top_L(), top_R()};}void add_all(const T &a) {min_f += a;return;}// add (x-a)_+void add_x_minus_a(const T &a) {min_f += std::max(T(0), top_L() - a);if (top_L() <= a) {push_R(a);} else {push_L(a);push_R(top_L());pop_L();}return;}// add (a-x)_+void add_a_minus_x(const T &a) {min_f += std::max(T(0), a - top_R());if (top_R() >= a) {push_L(a);} else {push_R(a);push_L(top_R());pop_R();}return;}// add |x-a|void add_abs(const T &a) {add_x_minus_a(a);add_a_minus_x(a);return;}void sliding_window_minimum(const T &a, const T &b) {assert(a <= b);add_L += a;add_R += b;return;}void shift(const T &a) {sliding_window_minimum(a, a);}void merge(Self &st) {if (st.size() > size()) {swap((*this), st);}min_f += st.min_f;while (!st.L.empty()) {add_a_minus_x(st.top_L());st.pop_L();}while (!st.R.empty()) {add_x_minus_a(st.top_R());st.pop_R();}return;}// __/void right_cumulative_min() {L = std::priority_queue<T>();}// \__void left_cumulative_min() {R = std::priority_queue<T, std::vector<T>, std::greater<T>>();}private:T min_f;std::priority_queue<T> L;std::priority_queue<T, std::vector<T>, std::greater<T>> R;T add_L, add_R;const T INF = std::numeric_limits<T>::max() / 4;};} // namespace ebi#line 5 "test/yuki/yuki_1077.test.cpp"namespace ebi {void main_() {int n;std::cin >> n;slope_trick<i64> st;rep(i,0,n) {i64 y;std::cin >> y;st.left_cumulative_min();st.add_abs(y);}std::cout << st.min() << '\n';}} // namespace ebiint main() {ebi::fast_io();int t = 1;// std::cin >> t;while (t--) {ebi::main_();}return 0;}