#914022 (C++14) No.5018 Let's Make a Best-seller Book

提出ソース

結果

問題	No.5018 Let's Make a Best-seller Book
ユーザー	e869120
提出日時	2023-09-19 00:23:41
言語	C++14 (gcc 12.3.0 + boost 1.83.0)
結果	AC
実行時間	40 ms / 400 ms
コード長	7,591 bytes
コンパイル時間	989 ms
コンパイル使用メモリ	86,100 KB
実行使用メモリ	24,480 KB
スコア	196,656
平均クエリ数	52.00
最終ジャッジ日時	2023-10-01 12:31:38
合計ジャッジ時間	9,287 ms
ジャッジサーバーID （参考情報）	judge13 / judge11
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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	40 ms 24,348 KB
testcase_01	AC	35 ms 24,012 KB
testcase_02	AC	33 ms 24,396 KB
testcase_03	AC	33 ms 23,652 KB
testcase_04	AC	33 ms 23,652 KB
testcase_05	AC	32 ms 23,844 KB
testcase_06	AC	33 ms 24,276 KB
testcase_07	AC	33 ms 24,024 KB
testcase_08	AC	33 ms 23,844 KB
testcase_09	AC	33 ms 23,376 KB
testcase_10	AC	33 ms 23,376 KB
testcase_11	AC	33 ms 23,832 KB
testcase_12	AC	32 ms 23,400 KB
testcase_13	AC	33 ms 23,820 KB
testcase_14	AC	33 ms 24,384 KB
testcase_15	AC	33 ms 24,360 KB
testcase_16	AC	33 ms 23,412 KB
testcase_17	AC	33 ms 23,664 KB
testcase_18	AC	33 ms 23,508 KB
testcase_19	AC	33 ms 23,424 KB
testcase_20	AC	33 ms 23,532 KB
testcase_21	AC	33 ms 24,312 KB
testcase_22	AC	33 ms 23,412 KB
testcase_23	AC	33 ms 24,264 KB
testcase_24	AC	33 ms 24,024 KB
testcase_25	AC	33 ms 24,360 KB
testcase_26	AC	34 ms 23,616 KB
testcase_27	AC	34 ms 23,664 KB
testcase_28	AC	33 ms 23,832 KB
testcase_29	AC	34 ms 23,388 KB
testcase_30	AC	33 ms 23,400 KB
testcase_31	AC	33 ms 24,480 KB
testcase_32	AC	33 ms 24,036 KB
testcase_33	AC	34 ms 24,336 KB
testcase_34	AC	34 ms 23,520 KB
testcase_35	AC	33 ms 23,628 KB
testcase_36	AC	34 ms 23,412 KB
testcase_37	AC	34 ms 23,400 KB
testcase_38	AC	33 ms 23,412 KB
testcase_39	AC	33 ms 23,424 KB
testcase_40	AC	33 ms 23,628 KB
testcase_41	AC	34 ms 23,520 KB
testcase_42	AC	33 ms 23,508 KB
testcase_43	AC	34 ms 24,360 KB
testcase_44	AC	34 ms 23,424 KB
testcase_45	AC	33 ms 23,640 KB
testcase_46	AC	33 ms 24,324 KB
testcase_47	AC	33 ms 23,376 KB
testcase_48	AC	33 ms 24,264 KB
testcase_49	AC	34 ms 23,508 KB
testcase_50	AC	34 ms 23,364 KB
testcase_51	AC	33 ms 23,532 KB
testcase_52	AC	33 ms 24,024 KB
testcase_53	AC	33 ms 23,628 KB
testcase_54	AC	34 ms 24,024 KB
testcase_55	AC	34 ms 24,372 KB
testcase_56	AC	33 ms 24,348 KB
testcase_57	AC	33 ms 23,652 KB
testcase_58	AC	33 ms 23,412 KB
testcase_59	AC	33 ms 24,036 KB
testcase_60	AC	34 ms 23,652 KB
testcase_61	AC	33 ms 23,616 KB
testcase_62	AC	33 ms 23,364 KB
testcase_63	AC	34 ms 24,024 KB
testcase_64	AC	34 ms 23,520 KB
testcase_65	AC	33 ms 23,376 KB
testcase_66	AC	33 ms 23,364 KB
testcase_67	AC	33 ms 23,520 KB
testcase_68	AC	34 ms 23,376 KB
testcase_69	AC	33 ms 23,628 KB
testcase_70	AC	32 ms 23,364 KB
testcase_71	AC	34 ms 23,364 KB
testcase_72	AC	34 ms 23,628 KB
testcase_73	AC	33 ms 23,628 KB
testcase_74	AC	34 ms 23,376 KB
testcase_75	AC	34 ms 23,640 KB
testcase_76	AC	33 ms 23,508 KB
testcase_77	AC	33 ms 24,012 KB
testcase_78	AC	34 ms 24,060 KB
testcase_79	AC	34 ms 23,376 KB
testcase_80	AC	34 ms 23,424 KB
testcase_81	AC	33 ms 23,832 KB
testcase_82	AC	33 ms 23,388 KB
testcase_83	AC	33 ms 23,628 KB
testcase_84	AC	34 ms 23,364 KB
testcase_85	AC	33 ms 24,348 KB
testcase_86	AC	33 ms 23,844 KB
testcase_87	AC	34 ms 24,036 KB
testcase_88	AC	35 ms 24,012 KB
testcase_89	AC	33 ms 24,012 KB
testcase_90	AC	34 ms 24,360 KB
testcase_91	AC	33 ms 24,384 KB
testcase_92	AC	33 ms 23,496 KB
testcase_93	AC	33 ms 23,376 KB
testcase_94	AC	33 ms 23,640 KB
testcase_95	AC	36 ms 24,048 KB
testcase_96	AC	34 ms 23,532 KB
testcase_97	AC	33 ms 23,952 KB
testcase_98	AC	33 ms 23,616 KB
testcase_99	AC	32 ms 24,276 KB

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ソースコード

raw source code

#include <iostream>
#include <cmath>
#include <vector>
#include <algorithm>
using namespace std;

// =============================================================== デバッグ用の出力 ===============================================================
class DebugMode {
public:
	int T = 52;
	int N = 10;
	int CurrentTurn;
	int CurrentMoney;
	int Score;
	vector<int> Sales;
	vector<int> Remain;
	vector<int> Popula;
	vector<double> D;
	vector<vector<double>> Z;

	double Randouble() {
		double s = 1, t = 0;
		for (int i = 0; i < 3; i++) {
			s /= 1024.0;
			t += 1.0 * (rand() % 1024) * s;
		}
		return t;
	}

	void Initialize() {
		CurrentMoney = 2000000;
		CurrentTurn = 0;
		Score = 0;
		Sales = vector<int>(N, 0);
		Remain = vector<int>(N, 0);
		Popula = vector<int>(N, 0);
		D = vector<double>(N, 0);
		Z = vector<vector<double>>(T, vector<double>(N, 0));
		for (int i = 0; i < N; i++) D[i] = Randouble() * 1.0 + 0.5;
		for (int i = 0; i < T; i++) {
			for (int j = 0; j < N; j++) Z[i][j] = Randouble() * 0.5 + 0.75;
		}
	}

	void Refresh() {
		int i = CurrentTurn;
		for (int j = 0; j < N; j++) Sales[j] = min(Remain[j], (int)(1.0 * pow(Remain[j], 0.5) * pow(1.05, Popula[j]) * D[j] * Z[i][j]));
		for (int j = 0; j < N; j++) {
			if (Remain[j] == 0) continue;
			if (10 * Sales[j] >= 3 * Remain[j]) Popula[j] = min(+60, Popula[j] + 1);
			if (10 * Sales[j] < 1 * Remain[j]) Popula[j] = max(-60, Popula[j] - 1);
		}
		for (int j = 0; j < N; j++) Score += Sales[j];
		for (int j = 0; j < N; j++) CurrentMoney += 1000LL * Sales[j];
		for (int j = 0; j < N; j++) Remain[j] -= Sales[j];
		CurrentTurn += 1;
	}
};

// =============================================================== デバッグ用の出力 ===============================================================
const int DEBUG = 1;
int T, N;
int Money;
int S[19], P[19], R[19];
vector<int> Ad_Record;
double Expected_D[19], Sum_D[19], Cnt_D[19];
DebugMode COMP;

void Initialize() {
	T = 0; N = 0; Money = 0; Ad_Record = vector<int>{ 0, 0 };
	for (int i = 0; i < 19; i++) {
		Expected_D[i] = 0; Sum_D[i] = 0; Cnt_D[i] = 0;
		S[i] = 0; P[i] = 0; R[i] = 0;
	}
}

void Ask(int Type, vector<int> vec) {
	if (DEBUG == 1) {
		cout << Type;
		for (int i = 0; i < vec.size(); i++) cout << " " << vec[i];
		cout << endl;
	}
	if (DEBUG == 2 && Type == 1) {
		for (int i = 0; i < N; i++) COMP.CurrentMoney -= 500 * vec[i];
		for (int i = 0; i < N; i++) COMP.Remain[i] += vec[i];
	}
	if (DEBUG == 2 && Type == 2) {
		COMP.CurrentMoney -= 500000 * (1 << (vec[0] - 1));
		for (int i = 0; i < N; i++) COMP.Popula[i] = min(60, COMP.Popula[i] + vec[0]);
	}
}

void Decide(int turn) {
	bool AdFlag = false;
	int count60 = 0;
	for (int i = 1; i <= N; i++) {
		if (P[i] == 60) count60 += 1;
	}

	// 広告を打つ条件
	if (turn <= 15 && (Money >= 1100000 && turn - Ad_Record[Ad_Record.size() - 1] >= 2 && count60 <= 2)) AdFlag = true;
	if (turn <= 25 && (Money >= 1200000 && turn - Ad_Record[Ad_Record.size() - 1] >= 2 && count60 <= 2)) AdFlag = true;
	if (turn <= 60 && (Money >= 1300000 && turn - Ad_Record[Ad_Record.size() - 1] >= 2 && count60 <= 2)) AdFlag = true;


	// 広告を打つ場合
	if (AdFlag == true) {
		Ask(2, vector<int>{2});
		Ad_Record.push_back(turn);
	}

	// 広告を打たない場合 (最後の方 / 売上最大化を目指す)
	else if (count60 >= 5) {
		double cl = 0.0, cr = 10000.0, cm;
		vector<int> L(N, 0);
		for (int i = 0; i < 40; i++) {
			cm = (cl + cr) / 2.0;
			vector<int> vec(N, 0);
			int sum = 0;
			for (int j = 1; j <= N; j++) {
				double keisuu = pow(1.05, P[j]) * Expected_D[j];
				vec[j - 1] = (int)pow(keisuu / cm, 2.0);
				sum += vec[j - 1];
			}
			if (500 * sum <= Money) { cr = cm; L = vec; }
			else { cl = cm; }
		}
		Ask(1, L);
	}

	// 広告を打たない場合 (最後以外)
	else {
		vector<int> L(N, 0);
		int NeedMoney = 0;
		for (int i = 1; i <= N; i++) {
			double keisuu = 0.0;
			if (P[i] >= 50) keisuu = 15.0;
			else if (P[i] >= 40) keisuu = 8.0;
			else {
				if (turn >= 20) keisuu = 5.5 + 0.07 * (turn - 20);
				else keisuu = 3.0 + 0.1 * turn;
			}
			int Goal = keisuu * pow(pow(1.05, 1.0 * P[i]) * Expected_D[i], 2.0);

			// 微調整
			int Max = Goal;
			for (int i = 0; i <= 4; i++) {
				int tgt1 = (1 * (Goal + i) + 9) / 10;
				int tgt2 = (3 * (Goal + i) + 9) / 10;
				int pre1 = (1 * Goal + 9) / 10;
				int pre2 = (3 * Goal + 9) / 10;
				if (tgt1 == pre1 && tgt2 == pre2) Max = Goal + i;
			}
			Goal = Max;

			// 発注部数を決定
			Goal = max(1, Goal - R[i]);
			L[i - 1] = Goal;
			NeedMoney += 500 * Goal;
		}
		if (NeedMoney > Money) {
			for (int i = 1; i <= N; i++) L[i - 1] = (1LL * L[i - 1] * Money / NeedMoney);
		}
		Ask(1, L);
	}
}

void Refresh_D() {
	for (int i = 1; i <= N; i++) {
		if (S[i] >= 1) {
			int moto_popular = P[i];
			if (10 * S[i] >= 3 * (S[i] + R[i])) moto_popular -= 1;
			if (10 * S[i] < 1 * (S[i] + R[i])) moto_popular += 1;
			double expected = (0.5 + S[i]) / (pow(1.0 * (S[i] + R[i]), 0.5) * pow(1.05, moto_popular));
			double keisuu = 1.0 - 1.0 / S[i];
			Sum_D[i] += keisuu * expected;
			Cnt_D[i] += keisuu;
		}
		if (Cnt_D[i] < 0.01) Expected_D[i] = 0.6;
		else Expected_D[i] = min(1.4, max(0.6, Sum_D[i] / Cnt_D[i]));
	}
}

int main() {
	// ========================================================================= 通常モード =========================================================================
	if (DEBUG == 1) {
		Initialize();
		cin >> T >> N >> Money;
		for (int i = 1; i <= N; i++) Expected_D[i] = 1.0;

		// インタラクティブ開始
		for (int t = 1; t <= T; t++) {
			// (あ) 行動を決める
			Decide(t);

			// (い) 売上部数などを入力する
			cin >> Money;
			for (int i = 1; i <= N; i++) cin >> S[i];
			for (int i = 1; i <= N; i++) cin >> P[i];
			for (int i = 1; i <= N; i++) cin >> R[i];
			cerr << "Turn = " << t << ":" << endl;
			cerr << Money << endl;
			for (int i = 1; i <= N; i++) cerr << S[i] << " "; cerr << endl;
			for (int i = 1; i <= N; i++) cerr << P[i] << " "; cerr << endl;
			for (int i = 1; i <= N; i++) cerr << R[i] << " "; cerr << endl;
			cerr << endl;

			// D の値を更新
			Refresh_D();
		}
	}

	// ========================================================================= デバッグモード =========================================================================
	if (DEBUG == 2) {
		int NumCases = 5000;
		int ScoreSum = 0;
		int ScoreCnt = 0;
		for (int cases = 1; cases <= NumCases; cases++) {
			Initialize();
			T = 52; N = 10; Money = 2000000; COMP.Initialize();
			for (int i = 1; i <= N; i++) Expected_D[i] = 1.0;

			// インタラクティブ開始
			for (int t = 1; t <= T; t++) {
				// (あ) 行動を決める
				Decide(t);

				// (い) 売上部数などを入力する
				COMP.Refresh();
				Money = COMP.CurrentMoney;
				for (int i = 1; i <= N; i++) S[i] = COMP.Sales[i - 1];
				for (int i = 1; i <= N; i++) P[i] = COMP.Popula[i - 1];
				for (int i = 1; i <= N; i++) R[i] = COMP.Remain[i - 1];
				if (NumCases == 1) {
					cerr << "Turn = " << t << ":" << endl;
					cerr << Money << endl;
					for (int i = 1; i <= N; i++) cerr << S[i] << " "; cerr << endl;
					for (int i = 1; i <= N; i++) cerr << P[i] << " "; cerr << endl;
					for (int i = 1; i <= N; i++) cerr << R[i] << " "; cerr << endl;
					cerr << endl;
				}

				// D の値を更新
				Refresh_D();
			}
			printf("Case#% 3d: Score =% 7d\n", cases, COMP.Score);
			ScoreSum += COMP.Score;
			ScoreCnt += 1;
		}
		printf("=======================================\n");
		printf("Average Score =% 9d\n", ScoreSum / ScoreCnt);
	}
	return 0;
}

yukicoder

結果

テストケース

ソースコード