結果
問題 | No.409 ダイエット |
ユーザー | okaduki |
提出日時 | 2018-01-31 01:18:57 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 97 ms / 2,000 ms |
コード長 | 2,631 bytes |
コンパイル時間 | 1,864 ms |
コンパイル使用メモリ | 176,508 KB |
実行使用メモリ | 11,904 KB |
最終ジャッジ日時 | 2024-06-26 10:27:30 |
合計ジャッジ時間 | 6,753 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge5 |
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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
6,816 KB |
testcase_01 | AC | 2 ms
6,816 KB |
testcase_02 | AC | 2 ms
6,816 KB |
testcase_03 | AC | 2 ms
6,816 KB |
testcase_04 | AC | 2 ms
6,812 KB |
testcase_05 | AC | 2 ms
6,944 KB |
testcase_06 | AC | 2 ms
6,940 KB |
testcase_07 | AC | 2 ms
6,944 KB |
testcase_08 | AC | 2 ms
6,944 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 | 2 ms
6,944 KB |
testcase_13 | AC | 2 ms
6,940 KB |
testcase_14 | AC | 2 ms
6,944 KB |
testcase_15 | AC | 2 ms
6,940 KB |
testcase_16 | AC | 2 ms
6,944 KB |
testcase_17 | AC | 2 ms
6,940 KB |
testcase_18 | AC | 2 ms
6,940 KB |
testcase_19 | AC | 2 ms
6,944 KB |
testcase_20 | AC | 2 ms
6,944 KB |
testcase_21 | AC | 2 ms
6,944 KB |
testcase_22 | AC | 2 ms
6,940 KB |
testcase_23 | AC | 2 ms
6,940 KB |
testcase_24 | AC | 2 ms
6,940 KB |
testcase_25 | AC | 2 ms
6,944 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 | 3 ms
6,944 KB |
testcase_36 | AC | 3 ms
6,940 KB |
testcase_37 | AC | 3 ms
6,940 KB |
testcase_38 | AC | 3 ms
6,944 KB |
testcase_39 | AC | 2 ms
6,940 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
6,944 KB |
testcase_44 | AC | 2 ms
6,944 KB |
testcase_45 | AC | 3 ms
6,940 KB |
testcase_46 | AC | 3 ms
6,944 KB |
testcase_47 | AC | 2 ms
6,940 KB |
testcase_48 | AC | 3 ms
6,940 KB |
testcase_49 | AC | 2 ms
6,940 KB |
testcase_50 | AC | 2 ms
6,940 KB |
testcase_51 | AC | 2 ms
6,940 KB |
testcase_52 | AC | 3 ms
6,940 KB |
testcase_53 | AC | 2 ms
6,940 KB |
testcase_54 | AC | 2 ms
6,944 KB |
testcase_55 | AC | 42 ms
7,040 KB |
testcase_56 | AC | 30 ms
7,552 KB |
testcase_57 | AC | 91 ms
11,904 KB |
testcase_58 | AC | 37 ms
6,940 KB |
testcase_59 | AC | 52 ms
7,552 KB |
testcase_60 | AC | 33 ms
6,940 KB |
testcase_61 | AC | 80 ms
10,624 KB |
testcase_62 | AC | 86 ms
11,648 KB |
testcase_63 | AC | 78 ms
10,112 KB |
testcase_64 | AC | 39 ms
6,940 KB |
testcase_65 | AC | 76 ms
9,088 KB |
testcase_66 | AC | 89 ms
11,136 KB |
testcase_67 | AC | 67 ms
9,472 KB |
testcase_68 | AC | 51 ms
7,552 KB |
testcase_69 | AC | 76 ms
9,856 KB |
testcase_70 | AC | 78 ms
9,984 KB |
testcase_71 | AC | 43 ms
7,040 KB |
testcase_72 | AC | 97 ms
11,768 KB |
testcase_73 | AC | 86 ms
9,600 KB |
testcase_74 | AC | 55 ms
8,320 KB |
testcase_75 | AC | 87 ms
10,112 KB |
testcase_76 | AC | 64 ms
9,216 KB |
testcase_77 | AC | 40 ms
6,940 KB |
testcase_78 | AC | 49 ms
7,808 KB |
testcase_79 | AC | 37 ms
6,940 KB |
testcase_80 | AC | 92 ms
11,264 KB |
testcase_81 | AC | 86 ms
9,856 KB |
testcase_82 | AC | 65 ms
8,960 KB |
testcase_83 | AC | 70 ms
9,088 KB |
testcase_84 | AC | 54 ms
7,168 KB |
testcase_85 | AC | 7 ms
6,940 KB |
testcase_86 | AC | 53 ms
7,296 KB |
testcase_87 | AC | 80 ms
10,240 KB |
testcase_88 | AC | 30 ms
6,940 KB |
testcase_89 | AC | 57 ms
6,944 KB |
testcase_90 | AC | 27 ms
6,940 KB |
testcase_91 | AC | 61 ms
6,944 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; using VI = vector<int>; using VVI = vector<VI>; using PII = pair<int, int>; using LL = long long; using VL = vector<LL>; using VVL = vector<VL>; using PLL = pair<LL, LL>; using VS = vector<string>; #define ALL(a) begin((a)),end((a)) #define RALL(a) (a).rbegin(), (a).rend() #define PB push_back #define EB emplace_back #define MP make_pair #define SZ(a) int((a).size()) #define SORT(c) sort(ALL((c))) #define RSORT(c) sort(RALL((c))) #define UNIQ(c) (c).erase(unique(ALL((c))), end((c))) #define FOR(i,a,b) for(int i=(a);i<(b);++i) #define REP(i,n) FOR(i,0,n) #define FF first #define SS second #define DUMP(x) cout<<#x<<":"<<(x)<<endl template<class S, class T> istream& operator>>(istream& is, pair<S,T>& p){ return is >> p.FF >> p.SS; } template<class T> istream& operator>>(istream& is, vector<T>& xs){ for(auto& x: xs) is >> x; return is; } template<class S, class T> ostream& operator<<(ostream& os, const pair<S,T>& p){ return os << p.FF << " " << p.SS; } template<class T> ostream& operator<<(ostream& os, const vector<T>& xs){ for(unsigned int i=0;i<xs.size();++i) os << (i?" ":"") << xs[i]; return os; } template<class T> void maxi(T& x, T y){ if(x < y) x = y; } template<class T> void mini(T& x, T y){ if(x > y) x = y; } const double EPS = 1e-10; const double PI = acos(-1.0); const LL MOD = 1e9+7; const LL INF = 4e18; template<class T> struct ConvexHullTrick{ using Line = pair<T,T>; deque<Line> lines; ConvexHullTrick(){ //lines.emplace_back(0, 0); } bool check(Line l1, Line l2, Line l3){ if(l1 < l3) swap(l1, l3); return (l3.SS - l2.SS) * (l2.FF - l1.FF) >= (l2.SS - l1.SS) * (l3.FF - l2.FF); } // y = ax + b void add(T a, T b){ Line l(a, b); while(lines.size() >= 2 && check(*(lines.end()-2), *(lines.end()-1), l)) lines.pop_back(); lines.emplace_back(l); } T f(Line l, T x){ return l.FF * x + l.SS; } T getmin(T x){ int lb = -1, ub = lines.size()-1; while(ub-lb > 1){ int m = (lb + ub) / 2; (f(lines[m], x) > f(lines[m+1], x)? lb: ub) = m; } return f(lines[ub], x); } }; int main(){ cin.tie(0); ios_base::sync_with_stdio(false); LL N, A, B, W; cin >> N >> A >> B >> W; VL ds(N+1); REP(i,N) cin >> ds[i+1]; VL dp(N+1, INF); ConvexHullTrick<LL> cht; LL ans = N*(N+1)/2*B - N*A; for(LL i=1;i<=N;++i){ dp[i] = i * (i-1) / 2 * B - (i-1)*A + ds[i]; if(i>1) mini(dp[i], ds[i] - (i-1)*A + (i*i-i)/2*B + cht.getmin(i)); cht.add(-B * i, dp[i] + i*A + i*(i+1)/2*B); mini(ans, dp[i] + (N-i)*(N-i+1)/2*B - (N-i)*A); } cout << ans+W << endl; return 0; }