結果
問題 | No.409 ダイエット |
ユーザー | koyumeishi |
提出日時 | 2016-09-13 23:09:41 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 47 ms / 2,000 ms |
コード長 | 8,088 bytes |
コンパイル時間 | 1,192 ms |
コンパイル使用メモリ | 111,240 KB |
実行使用メモリ | 10,340 KB |
最終ジャッジ日時 | 2024-06-26 10:00:39 |
合計ジャッジ時間 | 4,942 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
6,944 KB |
testcase_02 | AC | 2 ms
6,944 KB |
testcase_03 | AC | 2 ms
6,944 KB |
testcase_04 | AC | 2 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
6,944 KB |
testcase_08 | AC | 2 ms
6,940 KB |
testcase_09 | AC | 2 ms
6,940 KB |
testcase_10 | AC | 2 ms
6,940 KB |
testcase_11 | AC | 2 ms
6,944 KB |
testcase_12 | AC | 2 ms
6,944 KB |
testcase_13 | AC | 2 ms
6,944 KB |
testcase_14 | AC | 2 ms
6,940 KB |
testcase_15 | AC | 2 ms
6,944 KB |
testcase_16 | AC | 2 ms
6,940 KB |
testcase_17 | AC | 2 ms
6,940 KB |
testcase_18 | AC | 2 ms
6,944 KB |
testcase_19 | AC | 2 ms
6,940 KB |
testcase_20 | AC | 2 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 | 2 ms
6,940 KB |
testcase_25 | AC | 3 ms
6,940 KB |
testcase_26 | AC | 2 ms
6,940 KB |
testcase_27 | AC | 2 ms
6,944 KB |
testcase_28 | AC | 2 ms
6,944 KB |
testcase_29 | AC | 2 ms
6,944 KB |
testcase_30 | AC | 2 ms
6,940 KB |
testcase_31 | AC | 2 ms
6,940 KB |
testcase_32 | AC | 2 ms
6,944 KB |
testcase_33 | AC | 2 ms
6,944 KB |
testcase_34 | AC | 2 ms
6,940 KB |
testcase_35 | AC | 2 ms
6,944 KB |
testcase_36 | AC | 2 ms
6,944 KB |
testcase_37 | AC | 2 ms
6,940 KB |
testcase_38 | AC | 3 ms
6,940 KB |
testcase_39 | AC | 2 ms
6,944 KB |
testcase_40 | AC | 3 ms
6,940 KB |
testcase_41 | AC | 3 ms
6,944 KB |
testcase_42 | AC | 2 ms
6,944 KB |
testcase_43 | AC | 3 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
6,940 KB |
testcase_47 | AC | 2 ms
6,940 KB |
testcase_48 | AC | 3 ms
6,944 KB |
testcase_49 | AC | 3 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
6,944 KB |
testcase_54 | AC | 2 ms
6,944 KB |
testcase_55 | AC | 21 ms
6,940 KB |
testcase_56 | AC | 38 ms
9,984 KB |
testcase_57 | AC | 41 ms
10,340 KB |
testcase_58 | AC | 19 ms
6,940 KB |
testcase_59 | AC | 27 ms
7,680 KB |
testcase_60 | AC | 18 ms
6,940 KB |
testcase_61 | AC | 37 ms
9,344 KB |
testcase_62 | AC | 38 ms
9,856 KB |
testcase_63 | AC | 36 ms
9,344 KB |
testcase_64 | AC | 20 ms
6,944 KB |
testcase_65 | AC | 39 ms
9,600 KB |
testcase_66 | AC | 41 ms
10,112 KB |
testcase_67 | AC | 31 ms
8,576 KB |
testcase_68 | AC | 26 ms
7,552 KB |
testcase_69 | AC | 36 ms
9,216 KB |
testcase_70 | AC | 39 ms
8,960 KB |
testcase_71 | AC | 23 ms
6,948 KB |
testcase_72 | AC | 47 ms
10,112 KB |
testcase_73 | AC | 45 ms
9,600 KB |
testcase_74 | AC | 28 ms
7,168 KB |
testcase_75 | AC | 44 ms
9,600 KB |
testcase_76 | AC | 32 ms
7,936 KB |
testcase_77 | AC | 23 ms
6,940 KB |
testcase_78 | AC | 24 ms
6,940 KB |
testcase_79 | AC | 21 ms
6,940 KB |
testcase_80 | AC | 44 ms
9,740 KB |
testcase_81 | AC | 44 ms
9,600 KB |
testcase_82 | AC | 32 ms
8,064 KB |
testcase_83 | AC | 36 ms
8,192 KB |
testcase_84 | AC | 30 ms
7,424 KB |
testcase_85 | AC | 5 ms
6,944 KB |
testcase_86 | AC | 29 ms
7,296 KB |
testcase_87 | AC | 39 ms
8,832 KB |
testcase_88 | AC | 17 ms
6,940 KB |
testcase_89 | AC | 35 ms
8,064 KB |
testcase_90 | AC | 17 ms
6,940 KB |
testcase_91 | AC | 37 ms
8,448 KB |
ソースコード
#include <iostream> #include <vector> #include <cstdio> #include <sstream> #include <map> #include <string> #include <algorithm> #include <queue> #include <cmath> #include <functional> #include <set> #include <ctime> #include <random> #include <chrono> #include <cassert> using namespace std; namespace { using Integer = long long; //__int128; template<class T> istream& operator >> (istream& is, vector<T>& vec){for(T& val: vec) is >> val; return is;} template<class T> istream& operator , (istream& is, T& val){ return is >> val;} template<class T> ostream& operator << (ostream& os, const vector<T>& vec){for(int i=0; i<vec.size(); i++) os << vec[i] << (i==vec.size()-1?"":" "); return os;} template<class T> ostream& operator , (ostream& os, const T& val){ return os << " " << val;} template<class H> void print(const H& head){ cout << head; } template<class H, class ... T> void print(const H& head, const T& ... tail){ cout << head << " "; print(tail...); } template<class ... T> void println(const T& ... values){ print(values...); cout << endl; } template<class H> void eprint(const H& head){ cerr << head; } template<class H, class ... T> void eprint(const H& head, const T& ... tail){ cerr << head << " "; eprint(tail...); } template<class ... T> void eprintln(const T& ... values){ eprint(values...); cerr << endl; } class range{ long long start_, end_, step_; public: struct range_iterator{ long long val, step_; range_iterator(long long v, long long step) : val(v), step_(step) {} long long operator * (){return val;} void operator ++ (){val += step_;} bool operator != (range_iterator& x){return step_ > 0 ? val < x.val : val > x.val;} }; range(long long len) : start_(0), end_(len), step_(1) {} range(long long start, long long end) : start_(start), end_(end), step_(1) {} range(long long start, long long end, long long step) : start_(start), end_(end), step_(step) {} range_iterator begin(){ return range_iterator(start_, step_); } range_iterator end(){ return range_iterator( end_, step_); } }; string operator "" _s (const char* str, size_t size){ return move(string(str)); } constexpr Integer my_pow(Integer x, Integer k, Integer z=1){return k==0 ? z : k==1 ? z*x : (k&1) ? my_pow(x*x,k>>1,z*x) : my_pow(x*x,k>>1,z);} constexpr Integer my_pow_mod(Integer x, Integer k, Integer M, Integer z=1){return k==0 ? z%M : k==1 ? z*x%M : (k&1) ? my_pow_mod(x*x%M,k>>1,M,z*x%M) : my_pow_mod(x*x%M,k>>1,M,z);} constexpr unsigned long long operator "" _ten (unsigned long long value){ return my_pow(10,value); } inline int k_bit(Integer x, int k){return (x>>k)&1;} //0-indexed mt19937 mt(chrono::duration_cast<chrono::nanoseconds>(chrono::steady_clock::now().time_since_epoch()).count()); template<class T> string join(const vector<T>& v, const string& sep){ stringstream ss; for(int i=0; i<v.size(); i++){ if(i>0) ss << sep; ss << v[i]; } return ss.str(); } string operator * (string s, int k){ string ret; while(k){ if(k&1) ret += s; s += s; k >>= 1; } return ret; } } constexpr long long mod = 9_ten + 7; int main(){ long long n,a,b,w; cin >> n,a,b,w; vector<long long> d(n); //cin >> d; for(auto i : range(n) ){ scanf("%lld", &d[i]); } vector<long long> acc(n+1, 0); for(auto i : range(n+1) ){ acc[i] = -(i)*a + (i)*(i+1)/2 * b; //acc[i] -a + (i+1)*b; } vector<long long> dp(n+1, 1ll<<50); dp[0] = 0; deque<pair<long long,long long>> L; auto get_v = [&](long long x) -> long long{ if(L.size()==0) return 0; while(L.size() >= 2){ long long v1 = L[0].first * x + L[0].second; long long v2 = L[1].first * x + L[1].second; if(v1<v2) return v1; L.pop_front(); } return L[0].first * x + L[0].second; long long lb = 0; long long ub = L.size(); while(ub-lb>1){ long long mid = (lb+ub)/2; bool ok = [&](){ long long v1 = L[mid-1].first * x + L[mid-1].second; long long v2 = L[mid ].first * x + L[mid ].second; return v1>v2; }(); (ok? lb : ub) = mid; } while(lb){ L.pop_front(); lb--; } return L[0].first * x + L[0].second; }; auto check = [](pair<long long,long long> a, pair<long long,long long> b, pair<long long,long long> c){ long long a21 = b.first - a.first; long long a23 = b.first - c.first; long long b32 = c.second - b.second; long long b12 = a.second - b.second; return a21*b32 >= a23*b12; }; auto add_l = [&](pair<long long, long long> l){ while(L.size() >= 2 && check(L[L.size()-2], L[L.size()-1], l)){ L.pop_back(); } L.push_back(l); }; add_l({ -(2*0+1)*b -2*a, 2*dp[0] + 2*a*(0+1) + 0*(0+1)*b }); for(auto i : range(1, n+1) ){ dp[i] = 2*d[i-1] + i*i*b + get_v(i); pair<long long,long long> nx = { -(2*i+1)*b -2*a, dp[i] + 2*a*(i+1) + i*(i+1)*b }; add_l(nx); } long long ans = 1ll<<50; for(auto i : range(n+1) ){ ans = min(ans, dp[i]/2 + acc[n-i] + w); } println(ans); return 0; } /* ### # ############# # ####################### ################################ ######################################### ############################################## # ##################################### # ###### ############################ ###### ########### ################### # ########## ################ ######### ############### #################### # #################### ####### ############## ######################## ######## ######### ######################## ########### ####### ######################## ############## # ####### ######################## ######################## ######################## ######################## ######################## ######################## ######################## ###################### ####################### ################### ################### ############## ############### ########## ########## ###### ###### ## ## # # # # # # # # # # # #### #### #### #### #### # # # # # ## # # # # # # #____# ## # #/ # # ## # # # # # # # #^^^^ # ## ###/# # # # #### #### ###/# #### # # ## */