結果
問題 | No.409 ダイエット |
ユーザー | arktan763 |
提出日時 | 2020-08-06 09:17:06 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 134 ms / 2,000 ms |
コード長 | 8,309 bytes |
コンパイル時間 | 2,052 ms |
コンパイル使用メモリ | 209,568 KB |
実行使用メモリ | 14,260 KB |
最終ジャッジ日時 | 2024-09-19 07:17:08 |
合計ジャッジ時間 | 7,485 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge4 |
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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
5,248 KB |
testcase_01 | AC | 2 ms
5,376 KB |
testcase_02 | AC | 2 ms
5,376 KB |
testcase_03 | AC | 1 ms
5,376 KB |
testcase_04 | AC | 2 ms
5,376 KB |
testcase_05 | AC | 1 ms
5,376 KB |
testcase_06 | AC | 2 ms
5,376 KB |
testcase_07 | AC | 1 ms
5,376 KB |
testcase_08 | AC | 2 ms
5,376 KB |
testcase_09 | AC | 2 ms
5,376 KB |
testcase_10 | AC | 2 ms
5,376 KB |
testcase_11 | AC | 1 ms
5,376 KB |
testcase_12 | AC | 2 ms
5,376 KB |
testcase_13 | AC | 1 ms
5,376 KB |
testcase_14 | AC | 2 ms
5,376 KB |
testcase_15 | AC | 1 ms
5,376 KB |
testcase_16 | AC | 2 ms
5,376 KB |
testcase_17 | AC | 2 ms
5,376 KB |
testcase_18 | AC | 2 ms
5,376 KB |
testcase_19 | AC | 1 ms
5,376 KB |
testcase_20 | AC | 1 ms
5,376 KB |
testcase_21 | AC | 2 ms
5,376 KB |
testcase_22 | AC | 2 ms
5,376 KB |
testcase_23 | AC | 2 ms
5,376 KB |
testcase_24 | AC | 1 ms
5,376 KB |
testcase_25 | AC | 2 ms
5,376 KB |
testcase_26 | AC | 2 ms
5,376 KB |
testcase_27 | AC | 2 ms
5,376 KB |
testcase_28 | AC | 2 ms
5,376 KB |
testcase_29 | AC | 1 ms
5,376 KB |
testcase_30 | AC | 2 ms
5,376 KB |
testcase_31 | AC | 2 ms
5,376 KB |
testcase_32 | AC | 2 ms
5,376 KB |
testcase_33 | AC | 1 ms
5,376 KB |
testcase_34 | AC | 2 ms
5,376 KB |
testcase_35 | AC | 3 ms
5,376 KB |
testcase_36 | AC | 3 ms
5,376 KB |
testcase_37 | AC | 3 ms
5,376 KB |
testcase_38 | AC | 3 ms
5,376 KB |
testcase_39 | AC | 3 ms
5,376 KB |
testcase_40 | AC | 3 ms
5,376 KB |
testcase_41 | AC | 3 ms
5,376 KB |
testcase_42 | AC | 3 ms
5,376 KB |
testcase_43 | AC | 3 ms
5,376 KB |
testcase_44 | AC | 3 ms
5,376 KB |
testcase_45 | AC | 3 ms
5,376 KB |
testcase_46 | AC | 3 ms
5,376 KB |
testcase_47 | AC | 4 ms
5,376 KB |
testcase_48 | AC | 3 ms
5,376 KB |
testcase_49 | AC | 3 ms
5,376 KB |
testcase_50 | AC | 2 ms
5,376 KB |
testcase_51 | AC | 3 ms
5,376 KB |
testcase_52 | AC | 3 ms
5,376 KB |
testcase_53 | AC | 3 ms
5,376 KB |
testcase_54 | AC | 3 ms
5,376 KB |
testcase_55 | AC | 51 ms
8,448 KB |
testcase_56 | AC | 55 ms
9,948 KB |
testcase_57 | AC | 101 ms
14,260 KB |
testcase_58 | AC | 42 ms
7,936 KB |
testcase_59 | AC | 61 ms
9,088 KB |
testcase_60 | AC | 39 ms
7,424 KB |
testcase_61 | AC | 91 ms
12,800 KB |
testcase_62 | AC | 96 ms
13,952 KB |
testcase_63 | AC | 87 ms
12,416 KB |
testcase_64 | AC | 47 ms
8,064 KB |
testcase_65 | AC | 90 ms
11,264 KB |
testcase_66 | AC | 100 ms
13,308 KB |
testcase_67 | AC | 76 ms
11,264 KB |
testcase_68 | AC | 61 ms
8,832 KB |
testcase_69 | AC | 89 ms
12,032 KB |
testcase_70 | AC | 113 ms
12,032 KB |
testcase_71 | AC | 62 ms
8,192 KB |
testcase_72 | AC | 134 ms
13,952 KB |
testcase_73 | AC | 122 ms
11,776 KB |
testcase_74 | AC | 74 ms
9,728 KB |
testcase_75 | AC | 120 ms
12,288 KB |
testcase_76 | AC | 86 ms
10,496 KB |
testcase_77 | AC | 56 ms
7,296 KB |
testcase_78 | AC | 66 ms
9,088 KB |
testcase_79 | AC | 53 ms
7,424 KB |
testcase_80 | AC | 125 ms
13,568 KB |
testcase_81 | AC | 120 ms
11,904 KB |
testcase_82 | AC | 89 ms
10,496 KB |
testcase_83 | AC | 99 ms
10,880 KB |
testcase_84 | AC | 77 ms
8,576 KB |
testcase_85 | AC | 10 ms
5,376 KB |
testcase_86 | AC | 75 ms
8,704 KB |
testcase_87 | AC | 109 ms
12,032 KB |
testcase_88 | AC | 42 ms
6,528 KB |
testcase_89 | AC | 89 ms
8,448 KB |
testcase_90 | AC | 41 ms
5,760 KB |
testcase_91 | AC | 96 ms
8,704 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; #define int long long // #define double long double #define FOR(i, a, b) for(int i = (a); i < (b); ++i) #define FORR(i, a, b) for(int i = (a); i > (b); --i) #define REP(i, n) for(int i = 0; i < (n); ++i) #define REPR(i, n) for(int i = n; i >= 0; i--) #define FOREACH(x, a) for(auto &(x) : (a)) #define VECCIN(x) \ for(auto &youso_ : (x)) cin >> youso_ #define bitcnt(x) __builtin_popcount(x) #define lbit(x) __builtin_ffsll(x) #define rbit(x) (64 - __builtin_clzll(x)) #define fi first #define se second #define All(a) (a).begin(), (a).end() #define rAll(a) (a).rbegin(), (a).rend() #define cinfast() cin.tie(0), ios::sync_with_stdio(false) #define precise(x) cout << fixed << setprecision(x) #define PERM(c) \ sort(All(c)); \ for(bool cp = true; cp; cp = next_permutation(All(c))) #define COMB(n, k) \ for(ll bit = (1LL << k) - 1; bit < (1LL << n); bit = next_combination(bit)) #define PERM2(n, k) \ COMB(n, k) { \ vector<int> sel; \ for(int bitindex = 0; bitindex < n; bitindex++) \ if(bit >> bitindex & 1) sel.emplace_back(bitindex); \ PERM(sel) { Printv(sel); } \ } #define MKORDER(n) \ vector<int> od(n); \ iota(All(od), 0LL); template <typename T = long long> inline T IN() { T x; cin >> x; return (x); } inline void CIN() {} template <class Head, class... Tail> inline void CIN(Head &&head, Tail &&... tail) { cin >> head; CIN(move(tail)...); } template <class Head> inline void COUT(Head &&head) { cout << (head) << "\n"; } template <class Head, class... Tail> inline void COUT(Head &&head, Tail &&... tail) { cout << (head) << " "; COUT(forward<Tail>(tail)...); } #define CCIN(...) \ char __VA_ARGS__; \ CIN(__VA_ARGS__) #define DCIN(...) \ double __VA_ARGS__; \ CIN(__VA_ARGS__) #define LCIN(...) \ long long __VA_ARGS__; \ CIN(__VA_ARGS__) #define SCIN(...) \ string __VA_ARGS__; \ CIN(__VA_ARGS__) #define Printv(v) \ { \ REP(hoge, v.size()) \ cout << v[hoge] << (hoge == v.size() - 1 ? "" : " "); \ cout << "\n"; \ } template <typename T = string> inline void eputs(T s) { cout << s << "\n"; exit(0); } template <typename A, size_t N, typename T> void Fill(A (&array)[N], const T &val) { std::fill((T *)array, (T *)(array + N), val); } long long next_combination(long long sub) { long long x = sub & -sub, y = sub + x; return (((sub & ~y) / x) >> 1) | y; } template <class T> inline bool chmax(T &a, const T &b) { if(a < b) { a = b; return 1; } return 0; } template <class T> inline bool chmin(T &a, const T &b) { if(a > b) { a = b; return 1; } return 0; } // generic lambdas template <typename first> #if defined(__has_cpp_attribute) && __has_cpp_attribute(nodiscard) [[nodiscard]] #elif defined(__GNUC__) && \ (__GNUC__ > 3 || __GNUC__ == 3 && __GNUC_MINOR__ >= 4) __attribute__((warn_unused_result)) #endif // defined(__has_cpp_attribute) && __has_cpp_attribute(nodiscard) static inline constexpr decltype(auto) fix(first &&f) noexcept { return [f = std::forward<first>(f)](auto &&... args) { return f(f, std::forward<decltype(args)>(args)...); }; } template <typename T> using PQG = priority_queue<T, vector<T>, greater<T>>; template <typename T> using PQ = priority_queue<T>; typedef long long ll; typedef vector<ll> VL; typedef vector<VL> VVL; typedef pair<ll, ll> PL; typedef vector<PL> VPL; typedef vector<bool> VB; typedef vector<double> VD; typedef vector<string> VS; const int INF = 1e9; const int MOD = 1e9 + 7; // const int MOD = 998244353; const ll LINF = 1e18; const ll dw[] = {1, 1, 0, -1, -1, -1, 0, 1}; const ll dh[] = {0, 1, 1, 1, 0, -1, -1, -1}; #define PI 3.141592653589793230 #define EPS 1e-7 // monotonic template <typename T, bool isMin> struct ConvexHullTrick { using P = pair<T, T>; deque<P> H; bool empty() const { return H.empty(); } void clear() { H.clear(); } inline int sgn(T x) { return x == 0 ? 0 : (x < 0 ? -1 : 1); } using D = long double; inline bool check(const P &a, const P &b, const P &c) { if(b.second == a.second || c.second == b.second) return sgn(b.first - a.first) * sgn(c.second - b.second) >= sgn(c.first - b.first) * sgn(b.second - a.second); // return (b.first-a.first)*(c.second-b.second) >= // (b.second-a.second)*(c.first-b.first); return D(b.first - a.first) * sgn(c.second - b.second) / D(abs(b.second - a.second)) >= D(c.first - b.first) * sgn(b.second - a.second) / D(abs(c.second - b.second)); } void addLine(T m, T b) { if(!isMin) m *= -1, b *= -1; P line(m, b); if(empty()) { H.emplace_front(line); return; } if(H.front().first <= m) { if(H.front().first == m) { if(H.front().second <= b) return; H.pop_front(); } while(H.size() >= 2 && check(line, H.front(), H[1])) H.pop_front(); H.emplace_front(line); } else { assert(m <= H.back().first); if(H.back().first == m) { if(H.back().second <= b) return; H.pop_back(); } while(H.size() >= 2 && check(H[H.size() - 2], H.back(), line)) H.pop_back(); H.emplace_back(line); } } inline T getY(const P &a, const T &x) { return a.first * x + a.second; } T query(T x) { assert(!empty()); int l = -1, r = H.size() - 1; while(l + 1 < r) { int m = (l + r) >> 1; if(getY(H[m], x) >= getY(H[m + 1], x)) l = m; else r = m; } if(isMin) return getY(H[r], x); return -getY(H[r], x); } T queryMonotoneInc(T x) { assert(!empty()); while(H.size() >= 2 && getY(H.front(), x) >= getY(H[1], x)) H.pop_front(); if(isMin) return getY(H.front(), x); return -getY(H.front(), x); } T queryMonotoneDec(T x) { assert(!empty()); while(H.size() >= 2 && getY(H.back(), x) >= getY(H[H.size() - 2], x)) H.pop_back(); if(isMin) return getY(H.back(), x); return -getY(H.back(), x); } }; ll dp[300003]; ll ans[300003]; signed main() { LCIN(N, A, B, W); VL D(N); VECCIN(D); ConvexHullTrick<ll, true> cht; cht.addLine(0, 2 * W); FOR(i, 1, N + 1) { dp[i] = cht.query(i - 1) + i * (i - 1) * B - 2 * A * (i - 1) + 2 * D[i - 1]; ans[i] = min(dp[i], cht.query(i) + (i + 1) * i * B - 2 * A * i); cht.addLine(-2 * i * B, (i * i - i) * B + 2 * A * i + dp[i]); } cout << ans[N] / 2 << "\n"; }