結果
問題 | No.409 ダイエット |
ユーザー | ningenMe |
提出日時 | 2020-07-24 01:16:54 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 93 ms / 2,000 ms |
コード長 | 5,660 bytes |
コンパイル時間 | 2,591 ms |
コンパイル使用メモリ | 211,020 KB |
実行使用メモリ | 7,936 KB |
最終ジャッジ日時 | 2024-06-24 00:46:28 |
合計ジャッジ時間 | 6,721 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge3 |
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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 | 2 ms
6,944 KB |
testcase_02 | AC | 2 ms
6,940 KB |
testcase_03 | AC | 2 ms
6,944 KB |
testcase_04 | AC | 2 ms
6,944 KB |
testcase_05 | AC | 1 ms
6,944 KB |
testcase_06 | AC | 1 ms
6,944 KB |
testcase_07 | AC | 2 ms
6,940 KB |
testcase_08 | AC | 1 ms
6,940 KB |
testcase_09 | AC | 2 ms
6,940 KB |
testcase_10 | AC | 2 ms
6,944 KB |
testcase_11 | AC | 2 ms
6,940 KB |
testcase_12 | AC | 1 ms
6,940 KB |
testcase_13 | AC | 2 ms
6,940 KB |
testcase_14 | AC | 2 ms
6,940 KB |
testcase_15 | AC | 1 ms
6,944 KB |
testcase_16 | AC | 2 ms
6,944 KB |
testcase_17 | AC | 1 ms
6,944 KB |
testcase_18 | AC | 2 ms
6,940 KB |
testcase_19 | AC | 2 ms
6,944 KB |
testcase_20 | AC | 2 ms
6,940 KB |
testcase_21 | AC | 2 ms
6,944 KB |
testcase_22 | AC | 2 ms
6,940 KB |
testcase_23 | AC | 2 ms
6,944 KB |
testcase_24 | AC | 2 ms
6,944 KB |
testcase_25 | AC | 2 ms
6,940 KB |
testcase_26 | AC | 2 ms
6,940 KB |
testcase_27 | AC | 2 ms
6,940 KB |
testcase_28 | AC | 2 ms
6,940 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 | 2 ms
6,944 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 | 3 ms
6,944 KB |
testcase_37 | AC | 3 ms
6,940 KB |
testcase_38 | AC | 3 ms
6,940 KB |
testcase_39 | AC | 3 ms
6,944 KB |
testcase_40 | AC | 3 ms
6,940 KB |
testcase_41 | AC | 3 ms
6,940 KB |
testcase_42 | AC | 3 ms
6,940 KB |
testcase_43 | AC | 3 ms
6,940 KB |
testcase_44 | AC | 3 ms
6,944 KB |
testcase_45 | AC | 3 ms
6,944 KB |
testcase_46 | AC | 3 ms
6,940 KB |
testcase_47 | AC | 3 ms
6,944 KB |
testcase_48 | AC | 2 ms
6,940 KB |
testcase_49 | AC | 3 ms
6,944 KB |
testcase_50 | AC | 3 ms
6,940 KB |
testcase_51 | AC | 3 ms
6,940 KB |
testcase_52 | AC | 3 ms
6,940 KB |
testcase_53 | AC | 3 ms
6,944 KB |
testcase_54 | AC | 3 ms
6,940 KB |
testcase_55 | AC | 31 ms
6,944 KB |
testcase_56 | AC | 53 ms
7,584 KB |
testcase_57 | AC | 59 ms
7,936 KB |
testcase_58 | AC | 27 ms
6,944 KB |
testcase_59 | AC | 37 ms
6,944 KB |
testcase_60 | AC | 25 ms
6,940 KB |
testcase_61 | AC | 54 ms
7,168 KB |
testcase_62 | AC | 57 ms
7,424 KB |
testcase_63 | AC | 56 ms
7,168 KB |
testcase_64 | AC | 30 ms
6,940 KB |
testcase_65 | AC | 57 ms
7,296 KB |
testcase_66 | AC | 62 ms
7,680 KB |
testcase_67 | AC | 47 ms
6,940 KB |
testcase_68 | AC | 39 ms
6,940 KB |
testcase_69 | AC | 54 ms
7,040 KB |
testcase_70 | AC | 79 ms
6,944 KB |
testcase_71 | AC | 45 ms
6,944 KB |
testcase_72 | AC | 93 ms
7,680 KB |
testcase_73 | AC | 85 ms
7,424 KB |
testcase_74 | AC | 55 ms
6,944 KB |
testcase_75 | AC | 88 ms
7,296 KB |
testcase_76 | AC | 65 ms
6,944 KB |
testcase_77 | AC | 44 ms
6,940 KB |
testcase_78 | AC | 49 ms
6,940 KB |
testcase_79 | AC | 40 ms
6,944 KB |
testcase_80 | AC | 92 ms
7,552 KB |
testcase_81 | AC | 88 ms
7,424 KB |
testcase_82 | AC | 67 ms
6,940 KB |
testcase_83 | AC | 70 ms
6,940 KB |
testcase_84 | AC | 58 ms
6,940 KB |
testcase_85 | AC | 8 ms
6,944 KB |
testcase_86 | AC | 57 ms
6,944 KB |
testcase_87 | AC | 78 ms
6,940 KB |
testcase_88 | AC | 34 ms
6,944 KB |
testcase_89 | AC | 69 ms
6,940 KB |
testcase_90 | AC | 33 ms
6,940 KB |
testcase_91 | AC | 72 ms
6,940 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; using ll = long long; using ull = unsigned long long; #define REP(i,n) for(long long i = 0; i < (n); i++) #define FOR(i, m, n) for(long long i = (m);i < (n); ++i) #define ALL(obj) (obj).begin(),(obj).end() #define SPEED cin.tie(0);ios::sync_with_stdio(false); template<class T> using V = vector<T>; template<class T, class U> using P = pair<T, U>; template<class T> using PQ = priority_queue<T>; template<class T> using PQR = priority_queue<T,vector<T>,greater<T>>; constexpr long long MOD = (long long)1e9 + 7; constexpr long long MOD2 = 998244353; constexpr long long HIGHINF = (long long)1e18; constexpr long long LOWINF = (long long)1e15; constexpr long double PI = 3.1415926535897932384626433; template <class T> vector<T> multivector(size_t N,T init){return vector<T>(N,init);} template <class... T> auto multivector(size_t N,T... t){return vector<decltype(multivector(t...))>(N,multivector(t...));} template <class T> void corner(bool flg, T hoge) {if (flg) {cout << hoge << endl; exit(0);}} template <class T, class U>ostream &operator<<(ostream &o, const map<T, U>&obj) {o << "{"; for (auto &x : obj) o << " {" << x.first << " : " << x.second << "}" << ","; o << " }"; return o;} template <class T>ostream &operator<<(ostream &o, const set<T>&obj) {o << "{"; for (auto itr = obj.begin(); itr != obj.end(); ++itr) o << (itr != obj.begin() ? ", " : "") << *itr; o << "}"; return o;} template <class T>ostream &operator<<(ostream &o, const multiset<T>&obj) {o << "{"; for (auto itr = obj.begin(); itr != obj.end(); ++itr) o << (itr != obj.begin() ? ", " : "") << *itr; o << "}"; return o;} template <class T>ostream &operator<<(ostream &o, const vector<T>&obj) {o << "{"; for (int i = 0; i < (int)obj.size(); ++i)o << (i > 0 ? ", " : "") << obj[i]; o << "}"; return o;} template <class T, class U>ostream &operator<<(ostream &o, const pair<T, U>&obj) {o << "{" << obj.first << ", " << obj.second << "}"; return o;} template <template <class tmp> class T, class U> ostream &operator<<(ostream &o, const T<U> &obj) {o << "{"; for (auto itr = obj.begin(); itr != obj.end(); ++itr)o << (itr != obj.begin() ? ", " : "") << *itr; o << "}"; return o;} void print(void) {cout << endl;} template <class Head> void print(Head&& head) {cout << head;print();} template <class Head, class... Tail> void print(Head&& head, Tail&&... tail) {cout << head << " ";print(forward<Tail>(tail)...);} template <class T> void chmax(T& a, const T b){a=max(a,b);} template <class T> void chmin(T& a, const T b){a=min(a,b);} void YN(bool flg) {cout << (flg ? "YES" : "NO") << endl;} void Yn(bool flg) {cout << (flg ? "Yes" : "No") << endl;} void yn(bool flg) {cout << (flg ? "yes" : "no") << endl;} template<class Operator> class ConvexHullTrick { private: using TypeValue = typename Operator::TypeValue; deque<pair<TypeValue,TypeValue>> lines; //cが必要かどうか判定する inline int isRequired(const pair<TypeValue,TypeValue>& l, const pair<TypeValue,TypeValue>& c, const pair<TypeValue,TypeValue>& r) { return (c.first - l.first) * (r.second - c.second) >= (c.second - l.second) * (r.first - c.first); } //k番目のax+bの値 inline TypeValue value(int k, TypeValue x) { return lines[k].first * x + lines[k].second; } public: ConvexHullTrick() { // do nothing } //傾きの大きさが単調な順にax+bを追加 void insert(TypeValue a, TypeValue b) { //insertの必要がないとき if(lines.size() && lines.back().first == a && lines.back().second <= b) return; // 直前の直線の傾きが同じ かつ それが必要ないとき if(lines.size() && lines.back().first == a && lines.back().second > b ) lines.pop_back(); //不必要な直線を取り除く while (lines.size() > 1 && isRequired(lines[lines.size()-2], lines[lines.size()-1], {a,b})) lines.pop_back(); lines.push_back({a,b}); } TypeValue get(TypeValue x) { int ng = -1, ok = (int)lines.size()-1, md; while (ok - ng > 1) { md = (ok + ng) >> 1; ( Operator::func_compare(value(md, x),value(md + 1, x)) ?ok:ng)=md; } return value(ok, x); } // クエリの単調性も成り立つ場合 (x が単調増加) TypeValue getMonotone(TypeValue x) { while (lines.size() >= 2 && value(0, x) >= value(1, x)) lines.pop_front(); return lines[0].first * x + lines[0].second; } }; //最小値クエリ template<class T> struct ValueMin { using TypeValue = T; inline static constexpr bool func_compare(TypeValue l,TypeValue r){return l<r;} }; //傾きがa1>=a2>=a3...となるようにinsertする //最大値クエリ template<class T> struct ValueMax { using TypeValue = T; inline static constexpr bool func_compare(TypeValue l,TypeValue r){return l>r;} }; //傾きがa1<=a2<=a3...となるようにinsertする //verify //https://atcoder.jp/contests/colopl2018-final-open/tasks/colopl2018_final_c int main() { ll N,A,B,W; cin >> N >> A >> B >> W; vector<ll> D(N+2,0); for(int i = 1; i <= N; ++i) cin >> D[i]; // dp[i]=min{j:[0,i)}-> dp[j]+B*k*(k+1)/2-k*A+D[i] (k=i-j-1) // -> dp[j]+B*(i-j-1)*(i-j)/2-(i-j-1)*A+D[i] // -> dp[j]+B/2*(i*i-2*i*j+j*j-i+j)-A*(i-j-1)+D[i] // -> (-B*j)*i + dp[j]+B/2*(j*j+j)+A*j + B/2*(i*i-i)-A*(i-1)+D[i] vector<ll> dp(N+2,LOWINF); dp[0]=W; ConvexHullTrick<ValueMin<ll>> cht; cht.insert(0,dp[0]); for(ll i=1;i<=N+1;++i){ dp[i]=cht.getMonotone(i)+B*(i*i-i)/2-A*(i-1)+D[i]; cht.insert(-B*i,dp[i]+B*(i*i+i)/2+A*i); } cout << dp[N+1] << endl; return 0; }