結果

問題 No.919 You Are A Project Manager
ユーザー ningenMeningenMe
提出日時 2019-10-25 08:30:31
言語 C++14
(gcc 12.3.0 + boost 1.83.0)
結果
RE  
実行時間 -
コード長 2,968 bytes
コンパイル時間 1,760 ms
コンパイル使用メモリ 181,012 KB
実行使用メモリ 5,376 KB
最終ジャッジ日時 2024-07-19 04:01:56
合計ジャッジ時間 29,730 ms
ジャッジサーバーID
(参考情報)
judge1 / judge3
このコードへのチャレンジ
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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 RE -
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 99 ms
5,376 KB
testcase_05 AC 113 ms
5,376 KB
testcase_06 AC 6 ms
5,376 KB
testcase_07 AC 1,385 ms
5,376 KB
testcase_08 AC 98 ms
5,376 KB
testcase_09 AC 55 ms
5,376 KB
testcase_10 AC 157 ms
5,376 KB
testcase_11 AC 140 ms
5,376 KB
testcase_12 AC 2 ms
5,376 KB
testcase_13 AC 248 ms
5,376 KB
testcase_14 AC 3 ms
5,376 KB
testcase_15 AC 25 ms
5,376 KB
testcase_16 AC 468 ms
5,376 KB
testcase_17 RE -
testcase_18 RE -
testcase_19 RE -
testcase_20 RE -
testcase_21 RE -
testcase_22 AC 1,647 ms
5,376 KB
testcase_23 AC 1,599 ms
5,376 KB
testcase_24 AC 1,766 ms
5,376 KB
testcase_25 AC 1,694 ms
5,376 KB
testcase_26 RE -
testcase_27 RE -
testcase_28 RE -
testcase_29 RE -
testcase_30 RE -
testcase_31 RE -
testcase_32 RE -
testcase_33 AC 1,984 ms
5,376 KB
testcase_34 AC 1,940 ms
5,376 KB
testcase_35 RE -
testcase_36 RE -
testcase_37 RE -
testcase_38 RE -
testcase_39 AC 2 ms
5,376 KB
testcase_40 AC 28 ms
5,376 KB
testcase_41 AC 4 ms
5,376 KB
testcase_42 AC 5 ms
5,376 KB
testcase_43 AC 11 ms
5,376 KB
testcase_44 AC 50 ms
5,376 KB
testcase_45 AC 5 ms
5,376 KB
testcase_46 AC 35 ms
5,376 KB
testcase_47 AC 1,676 ms
5,376 KB
testcase_48 AC 1,638 ms
5,376 KB
testcase_49 AC 1,850 ms
5,376 KB
testcase_50 AC 1,643 ms
5,376 KB
testcase_51 AC 1,388 ms
5,376 KB
testcase_52 AC 874 ms
5,376 KB
testcase_53 AC 1,382 ms
5,376 KB
testcase_54 AC 29 ms
5,376 KB
testcase_55 AC 2 ms
5,376 KB
testcase_56 AC 2 ms
5,376 KB
testcase_57 AC 2 ms
5,376 KB
権限があれば一括ダウンロードができます

ソースコード

diff #

#include <bits/stdc++.h>
using namespace std;
template <class T> void chmax(T& a, const T b){a=max(a,b);}

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)...);}

int main() {
	cin.tie(0);ios::sync_with_stdio(false);
	int N; cin >> N;
	vector<long long> A(N);
	for(int i = 0; i < N; ++i) cin >> A[i];
	assert(N<=5000);
	long long ans = 0;
	
	for(long long k = 1; k <= N; ++k) {
		int M = N/k;
		int i = 0;
		vector<vector<long long>> vasc(M),vdsc(M);
		vector<pair<int,int>> rasc(M),rdsc(M);
		
		while(i+k<=N){
			int idx = i/k;
			for(int j = i;j<i+k;++j) {
				vasc[idx].push_back(A[j]);
			}
			sort(vasc[idx].begin(),vasc[idx].end());
			rasc[idx] = {i,i+k-1};
			i += k;
		}
		i = N-1;
		while(-1<=i-k){
			int idx = (N-1-i)/k;
			for(int j = i; i-k < j;--j) {
				vdsc[idx].push_back(A[j]);
			}
			sort(vdsc[idx].begin(),vdsc[idx].end());
			rdsc[idx] = {i-k+1,i};
			i -= k;
		}
		reverse(vdsc.begin(),vdsc.end());
		reverse(rdsc.begin(),rdsc.end());
		
		vector<long long> sasc(M,0),sdsc(M,0);
		for(int i = 0;    i < M; ++i) sasc[i]  = k*vasc[i][(k-1)/2];
		for(int i = M-1; 0 <= i; --i) sdsc[i]  = k*vdsc[i][(k-1)/2];
		for(int i = 1;    i < M; ++i) sasc[i] += sasc[i-1];
		for(int i = M-2; 0 <= i; --i) sdsc[i] += sdsc[i+1];
		for(int i = 1;    i < M; ++i) chmax(sasc[i],sasc[i-1]);
		for(int i = M-2; 0 <= i; --i) chmax(sdsc[i],sdsc[i+1]);
		chmax(ans,sasc.back());
		chmax(ans,sdsc.front());
		int j = 0;
		for(int i = 0; i < M; ++i) {
			while(j < M && rasc[i].second >= rdsc[j].first) j++;
			if(j<M && rasc[i].second < rdsc[j].first) {
				chmax(ans,sasc[i]+sdsc[j]);
			}
		}
 	}
	cout << ans << endl;
    return 0;
}
0