結果
問題 | No.409 ダイエット |
ユーザー | cutmdo |
提出日時 | 2023-03-08 02:27:53 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 32 ms / 2,000 ms |
コード長 | 5,341 bytes |
コンパイル時間 | 2,974 ms |
コンパイル使用メモリ | 258,960 KB |
実行使用メモリ | 7,680 KB |
最終ジャッジ日時 | 2024-09-18 02:24:48 |
合計ジャッジ時間 | 7,138 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge1 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 2 ms
6,812 KB |
testcase_01 | AC | 1 ms
6,944 KB |
testcase_02 | AC | 2 ms
6,944 KB |
testcase_03 | AC | 2 ms
6,940 KB |
testcase_04 | AC | 1 ms
6,944 KB |
testcase_05 | AC | 2 ms
6,940 KB |
testcase_06 | AC | 2 ms
6,940 KB |
testcase_07 | AC | 2 ms
6,940 KB |
testcase_08 | AC | 2 ms
6,940 KB |
testcase_09 | AC | 2 ms
6,944 KB |
testcase_10 | AC | 2 ms
6,944 KB |
testcase_11 | AC | 1 ms
6,940 KB |
testcase_12 | AC | 1 ms
6,940 KB |
testcase_13 | AC | 1 ms
6,940 KB |
testcase_14 | AC | 1 ms
6,940 KB |
testcase_15 | AC | 2 ms
6,940 KB |
testcase_16 | AC | 1 ms
6,940 KB |
testcase_17 | AC | 2 ms
6,940 KB |
testcase_18 | AC | 1 ms
6,944 KB |
testcase_19 | AC | 2 ms
6,940 KB |
testcase_20 | AC | 1 ms
6,944 KB |
testcase_21 | AC | 2 ms
6,940 KB |
testcase_22 | AC | 2 ms
6,940 KB |
testcase_23 | AC | 2 ms
6,940 KB |
testcase_24 | AC | 1 ms
6,944 KB |
testcase_25 | AC | 2 ms
6,940 KB |
testcase_26 | AC | 1 ms
6,940 KB |
testcase_27 | AC | 2 ms
6,940 KB |
testcase_28 | AC | 1 ms
6,944 KB |
testcase_29 | AC | 2 ms
6,940 KB |
testcase_30 | AC | 2 ms
6,940 KB |
testcase_31 | AC | 2 ms
6,944 KB |
testcase_32 | AC | 1 ms
6,940 KB |
testcase_33 | AC | 2 ms
6,940 KB |
testcase_34 | AC | 2 ms
6,944 KB |
testcase_35 | AC | 2 ms
6,940 KB |
testcase_36 | AC | 2 ms
6,940 KB |
testcase_37 | AC | 2 ms
6,940 KB |
testcase_38 | AC | 2 ms
6,940 KB |
testcase_39 | AC | 2 ms
6,940 KB |
testcase_40 | AC | 2 ms
6,944 KB |
testcase_41 | AC | 2 ms
6,940 KB |
testcase_42 | AC | 2 ms
6,944 KB |
testcase_43 | AC | 2 ms
6,944 KB |
testcase_44 | AC | 2 ms
6,940 KB |
testcase_45 | AC | 2 ms
6,944 KB |
testcase_46 | AC | 2 ms
6,944 KB |
testcase_47 | AC | 2 ms
6,944 KB |
testcase_48 | AC | 3 ms
6,940 KB |
testcase_49 | AC | 2 ms
6,944 KB |
testcase_50 | AC | 2 ms
6,940 KB |
testcase_51 | AC | 3 ms
6,940 KB |
testcase_52 | AC | 2 ms
6,944 KB |
testcase_53 | AC | 2 ms
6,940 KB |
testcase_54 | AC | 3 ms
6,944 KB |
testcase_55 | AC | 14 ms
6,940 KB |
testcase_56 | AC | 25 ms
7,640 KB |
testcase_57 | AC | 28 ms
7,640 KB |
testcase_58 | AC | 14 ms
6,940 KB |
testcase_59 | AC | 18 ms
6,940 KB |
testcase_60 | AC | 11 ms
6,944 KB |
testcase_61 | AC | 24 ms
7,168 KB |
testcase_62 | AC | 24 ms
7,552 KB |
testcase_63 | AC | 23 ms
7,168 KB |
testcase_64 | AC | 13 ms
6,944 KB |
testcase_65 | AC | 27 ms
7,168 KB |
testcase_66 | AC | 28 ms
7,552 KB |
testcase_67 | AC | 20 ms
6,940 KB |
testcase_68 | AC | 17 ms
6,940 KB |
testcase_69 | AC | 23 ms
7,040 KB |
testcase_70 | AC | 27 ms
6,940 KB |
testcase_71 | AC | 16 ms
6,940 KB |
testcase_72 | AC | 31 ms
7,680 KB |
testcase_73 | AC | 31 ms
7,168 KB |
testcase_74 | AC | 20 ms
6,944 KB |
testcase_75 | AC | 32 ms
7,168 KB |
testcase_76 | AC | 23 ms
6,940 KB |
testcase_77 | AC | 15 ms
6,940 KB |
testcase_78 | AC | 17 ms
6,940 KB |
testcase_79 | AC | 15 ms
6,940 KB |
testcase_80 | AC | 31 ms
7,296 KB |
testcase_81 | AC | 30 ms
7,296 KB |
testcase_82 | AC | 24 ms
6,944 KB |
testcase_83 | AC | 24 ms
6,940 KB |
testcase_84 | AC | 21 ms
6,940 KB |
testcase_85 | AC | 3 ms
6,940 KB |
testcase_86 | AC | 20 ms
6,944 KB |
testcase_87 | AC | 27 ms
6,944 KB |
testcase_88 | AC | 12 ms
6,944 KB |
testcase_89 | AC | 23 ms
6,940 KB |
testcase_90 | AC | 12 ms
6,944 KB |
testcase_91 | AC | 25 ms
6,940 KB |
ソースコード
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,avx2,avx512f") #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") #include <iostream> #include <iomanip> #include <string> #include <cmath> #include <algorithm> #include <vector> #include <set> #include <map> #include <unordered_map> #include <unordered_set> #include <list> #include <stack> #include <queue> #include <bitset> #include <numeric> #include <cassert> #include <memory> #include <random> #include <functional> #include <complex> #include <immintrin.h> #include <stdexcept> #ifdef DEBUG #include "./CompetitiveProgrammingCpp/Utils/debug.hpp" #include "./CompetitiveProgrammingCpp/Utils/Timer.hpp" #include "./CompetitiveProgrammingCpp/Utils/sample.hpp" #else #define dump(...) template<class T>constexpr inline auto d_val(T a, T b) { return a; } #endif /* macro */ #define FOR(i, b, e) for(ll i = (ll)(b); i < (ll)(e); ++i) #define RFOR(i, b, e) for(ll i = (ll)((e)-1); i >= (ll)(b); --i) #define REP(i, n) FOR(i, 0, (n)) #define RREP(i, n) RFOR(i, 0, (n)) #define REPC(x,c) for(const auto& x:(c)) #define REPI2(it,b,e) for(auto it = (b); it != (e); ++it) #define REPI(it,c) REPI2(it, (c).begin(), (c).end()) #define RREPI(it,c) REPI2(it, (c).rbegin(), (c).rend()) #define REPI_ERACE2(it, b, e) for(auto it = (b); it != (e);) #define REPI_ERACE(it, c) REPI_ERACE2(it, (c).begin(), (c).end()) #define ALL(x) (x).begin(),(x).end() #define cauto const auto& /* macro func */ template<class T> inline auto sort(T& t) { std::sort(ALL(t)); } template<class T> inline auto rsort(T& t) { std::sort((t).rbegin(), (t).rend()); } template<class T> inline auto unique(T& t) { (t).erase(unique((t).begin(), (t).end()), (t).end()); } template<class T, class S> inline auto chmax(T& t, const S& s) { if(s > t) { t = s; return true; } return false; } template<class T, class S> inline auto chmin(T& t, const S& s) { if(s < t) { t = s; return true; } return false; } inline auto BR() { std::cout << "\n"; } /* type define */ using ll = long long; using VS = std::vector<std::string>; using VL = std::vector<long long>; using VVL = std::vector<VL>; using VVVL = std::vector<VVL>; using VVVVL = std::vector<VVVL>; using VVVVVL = std::vector<VVVVL>; using VD = std::vector<double>; template<class T> using V = std::vector<T>; template<class T = ll, class U = T> using P = std::pair<T, U>; using PAIR = P<ll>; /* using std */ using std::cout; constexpr char endl = '\n'; using std::cin; using std::pair; using std::string; using std::stack; using std::queue; using std::deque; using std::vector; using std::list; using std::map; using std::unordered_map; using std::multimap; using std::unordered_multimap; using std::set; using std::unordered_set; using std::unordered_multiset; using std::multiset; using std::bitset; using std::priority_queue; /* Initial processing */ struct Preprocessing { Preprocessing() { std::cin.tie(0); std::ios::sync_with_stdio(0); }; }_Preprocessing; /* Remove the source of the bug */ auto pow(signed, signed) { assert(false); } /* define hash */ namespace std { template <> class hash<std::pair<ll, ll>> { public: size_t operator()(const std::pair<ll, ll>& x) const { return hash<ll>()(1000000000 * x.first + x.second); } }; } /* input */ template<class T> std::istream& operator >> (std::istream& is, vector<T>& vec) { for(T& x : vec) is >> x; return is; } /* constant value */ // constexpr ll MOD = 1000000007; constexpr ll MOD = 998244353; //============================================================================================= class ConvexHullTrick { using T = long long; std::deque<std::pair<T, T>> lines; static auto func(const std::pair<T, T>& line, const T& x) { return x * line.first + line.second; } static auto check(const std::pair<T, T>& line1, const std::pair<T, T>& line2, const std::pair<T, T>& line3) { auto [a1, b1] = line1; auto [a2, b2] = line2; auto [a3, b3] = line3; return (a2 - a1) * (b3 - b2) >= (b2 - b1) * (a3 - a2); } public: ConvexHullTrick() {} auto add(const std::pair<T, T>& line) { while(lines.size() > 1 && check(*std::next(lines.rbegin()), *lines.rbegin(), line)) { lines.pop_back(); } lines.emplace_back(line); } auto add(const T& a, const T& b) { add({a,b}); } auto query(const T& x) { while(lines.size() > 1 && func(*lines.begin(), x) > func(*std::next(lines.begin()), x)) { lines.pop_front(); } return func(*lines.begin(), x); } }; signed main() { ll n, a, b, w; cin >> n >> a >> b >> w; VL d(n); cin >> d; constexpr ll mx = 1e18; auto cht = ConvexHullTrick(); VL dp(n + 1, mx); auto update = [&](ll i, ll x) { chmin(dp[i], x); auto pa = -b * i; auto pb = a * i + i * (i + 1) / 2 * b + dp[i]; cht.add(pa, pb); }; update(0, w); FOR(i, 1, n + 1) { auto ad = d[i - 1] - a * i + a + i * (i - 1) / 2 * b; auto min = cht.query(i); update(i, ad + min); } ll ans = dp[n]; REP(i, n) { ll k = n - i; chmin(ans, dp[i] + -a * k + k * (k + 1) / 2 * b); } cout << ans << endl; dump(dp); }