結果

問題 No.505 カードの数式2
ユーザー komori3komori3
提出日時 2018-02-15 03:27:16
言語 C++11
(gcc 11.4.0)
結果
AC  
実行時間 2 ms / 2,000 ms
コード長 4,235 bytes
コンパイル時間 1,330 ms
コンパイル使用メモリ 160,576 KB
実行使用メモリ 6,820 KB
最終ジャッジ日時 2024-11-14 07:30:16
合計ジャッジ時間 2,336 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 AC 2 ms
6,816 KB
testcase_01 AC 2 ms
6,820 KB
testcase_02 AC 2 ms
6,820 KB
testcase_03 AC 2 ms
6,820 KB
testcase_04 AC 2 ms
6,820 KB
testcase_05 AC 1 ms
6,816 KB
testcase_06 AC 2 ms
6,816 KB
testcase_07 AC 2 ms
6,816 KB
testcase_08 AC 1 ms
6,816 KB
testcase_09 AC 2 ms
6,816 KB
testcase_10 AC 1 ms
6,816 KB
testcase_11 AC 1 ms
6,820 KB
testcase_12 AC 1 ms
6,816 KB
testcase_13 AC 1 ms
6,820 KB
testcase_14 AC 1 ms
6,820 KB
testcase_15 AC 2 ms
6,816 KB
testcase_16 AC 2 ms
6,820 KB
testcase_17 AC 2 ms
6,820 KB
testcase_18 AC 2 ms
6,820 KB
testcase_19 AC 2 ms
6,816 KB
testcase_20 AC 2 ms
6,820 KB
testcase_21 AC 1 ms
6,820 KB
testcase_22 AC 2 ms
6,816 KB
testcase_23 AC 1 ms
6,820 KB
testcase_24 AC 2 ms
6,816 KB
testcase_25 AC 2 ms
6,816 KB
testcase_26 AC 2 ms
6,816 KB
testcase_27 AC 2 ms
6,816 KB
testcase_28 AC 1 ms
6,816 KB
testcase_29 AC 1 ms
6,816 KB
testcase_30 AC 1 ms
6,816 KB
testcase_31 AC 2 ms
6,820 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 #

#define _CRT_SECURE_NO_WARNINGS
#include "bits/stdc++.h"

#include <random>
//#include "util.k"

using namespace std;

//呪文
#define DUMPOUT cout
#define dump(...) DUMPOUT<<"  ";DUMPOUT<<#__VA_ARGS__<<" :["<<__LINE__<<":"<<__FUNCTION__<<"]"<<endl;DUMPOUT<<"    ";dump_func(__VA_ARGS__)

typedef unsigned uint; typedef long long ll; typedef unsigned long long ull; typedef pair<int, int> pii; typedef pair<ll, ll> pll; typedef pair<double, double> pdd; typedef pair<string, string> pss;
template <typename _KTy, typename _Ty> ostream& operator << (ostream& ostr, const pair<_KTy, _Ty>& m) { ostr << "{" << m.first << ", " << m.second << "}"; return ostr; }
template <typename _KTy, typename _Ty> ostream& operator << (ostream& ostr, const map<_KTy, _Ty>& m) { if (m.empty()) { ostr << "{ }"; return ostr; } ostr << "{" << *m.begin(); for (auto itr = ++m.begin(); itr != m.end(); itr++) { ostr << ", " << *itr; } ostr << "}"; return ostr; }
template <typename _Ty> ostream& operator << (ostream& ostr, const vector<_Ty>& v) { if (v.empty()) { ostr << "{ }"; return ostr; } ostr << "{" << v.front(); for (auto itr = ++v.begin(); itr != v.end(); itr++) { ostr << ", " << *itr; }	ostr << "}"; return ostr; }
template <typename _Ty> ostream& operator << (ostream& ostr, const set<_Ty>& s) { if (s.empty()) { ostr << "{ }"; return ostr; } ostr << "{" << *(s.begin()); for (auto itr = ++s.begin(); itr != s.end(); itr++) { ostr << ", " << *itr; }	ostr << "}"; return ostr; }
template <typename _Ty> ostream& operator << (ostream& ostr, const stack<_Ty>& s) { if (s.empty()) { ostr << "{ }"; return ostr; } stack<_Ty> t(s); ostr << "{" << t.top(); t.pop(); while (!t.empty()) { ostr << ", " << t.top(); t.pop(); } ostr << "}";	return ostr; }
template <typename _Ty> ostream& operator << (ostream& ostr, const list<_Ty>& l) { if (l.empty()) { ostr << "{ }"; return ostr; } ostr << "{" << l.front(); for (auto itr = ++l.begin(); itr != l.end(); ++itr) { ostr << ", " << *itr; } ostr << "}"; return ostr; }
template <typename _KTy, typename _Ty> istream& operator >> (istream& istr, pair<_KTy, _Ty>& m) { istr >> m.first >> m.second; return istr; }
template <typename _Ty> istream& operator >> (istream& istr, vector<_Ty>& v) { for (size_t i = 0; i < v.size(); i++) istr >> v[i]; return istr; }
namespace aux { // print tuple
	template<typename Ty, unsigned N, unsigned L> struct tp { static void print(ostream& os, const Ty& v) { os << get<N>(v) << ", "; tp<Ty, N + 1, L>::print(os, v); } };
	template<typename Ty, unsigned N> struct tp<Ty, N, N> { static void print(ostream& os, const Ty& value) { os << get<N>(value); } };
}
template<typename... Tys> ostream& operator<<(ostream& os, const tuple<Tys...>& t) { os << "{"; aux::tp<tuple<Tys...>, 0, sizeof...(Tys)-1>::print(os, t); os << "}"; return os; }

template<typename A, size_t N, typename T> inline void Fill(A(&array)[N], const T &val) { std::fill((T*)array, (T*)(array + N), val); }

void dump_func() { DUMPOUT << endl; }
template <class Head, class... Tail> void dump_func(Head&& head, Tail&&... tail) { DUMPOUT << head; if (sizeof...(Tail) == 0) { DUMPOUT << " "; } else { DUMPOUT << ", "; } dump_func(std::move(tail)...); }

#define PI 3.14159265358979323846
#define EPS 1e-11
#define FOR(i,a,b) for(int i=(a);i<(b);++i)
#define REP(i,n)  FOR(i,0,n)
#define all(x) (x).begin(), (x).end()
#define SZ(x) ((int)(x).size())
#define fake false



ll dp[20][2];

int main()
{
	//clock_t start, end;
	//start = clock();

	//cin.tie(0);
	//ios::sync_with_stdio(false);

	int N;
	cin >> N;
	
	vector<int> a(N);
	cin >> a;

	dp[0][0] = dp[0][1] = a[0];
	for (int i = 1; i < N; i++) {
		dp[i][0] = INT64_MAX; dp[i][1] = INT64_MIN;
		for (int j = 0; j < 2; j++) {
			ll mini = INT64_MAX, maxi = INT64_MIN;
			ll plus, minus, mul, div;

			plus = dp[i - 1][j] + a[i];
			minus = dp[i - 1][j] - a[i];
			mul = dp[i - 1][j] * a[i];
			div = (a[i] == 0 ? 0 : dp[i - 1][j] / a[i]);
			
			dp[i][0] = min(dp[i][0], min(plus, min(minus, min(mul, a[i] == 0 ? INT64_MAX : div))));
			dp[i][1] = max(dp[i][1], max(plus, max(minus, max(mul, a[i] == 0 ? INT64_MIN : div))));
		}
	}

	cout << max(dp[N - 1][0], dp[N - 1][1]) << endl;

	//end = clock();
	//printf("%d msec.\k", end - start);

	return 0;
}
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