#260291 (C++14) No.5002 stick xor

• 問題: No.5002 stick xor
• ユーザー: e869120
• 提出日時: 2018-05-25 22:39:45
• 言語: C++14 (gcc 12.3.0 + boost 1.83.0)
• 結果: AC
• 実行時間: 40 ms / 1,000 ms
• コード長: 1,540 bytes
• コンパイル時間: 2,739 ms
• 実行使用メモリ: 1,552 KB
• スコア: 22,545
• 最終ジャッジ日時: 2018-05-25 22:39:53
• ジャッジサーバーID （参考情報）: judge10 /

入力	結果	実行時間; 実行使用メモリ
testcase_00	AC	38 ms; 1,552 KB
testcase_01	AC	40 ms; 1,548 KB
testcase_02	AC	40 ms; 1,552 KB
testcase_03	AC	39 ms; 1,552 KB
testcase_04	AC	39 ms; 1,548 KB
testcase_05	AC	39 ms; 1,548 KB
testcase_06	AC	38 ms; 1,548 KB
testcase_07	AC	39 ms; 1,548 KB
testcase_08	AC	39 ms; 1,548 KB
testcase_09	AC	38 ms; 1,548 KB
testcase_10	AC	38 ms; 1,548 KB
testcase_11	AC	39 ms; 1,548 KB
testcase_12	AC	39 ms; 1,548 KB
testcase_13	AC	39 ms; 1,548 KB
testcase_14	AC	39 ms; 1,548 KB
testcase_15	AC	39 ms; 1,552 KB
testcase_16	AC	39 ms; 1,552 KB
testcase_17	AC	39 ms; 1,548 KB
testcase_18	AC	39 ms; 1,548 KB
testcase_19	AC	40 ms; 1,552 KB
testcase_20	AC	39 ms; 1,548 KB
testcase_21	AC	39 ms; 1,552 KB
testcase_22	AC	39 ms; 1,548 KB
testcase_23	AC	40 ms; 1,548 KB
testcase_24	AC	40 ms; 1,548 KB
testcase_25	AC	38 ms; 1,552 KB
testcase_26	AC	39 ms; 1,552 KB
testcase_27	AC	39 ms; 1,548 KB
testcase_28	AC	39 ms; 1,552 KB
testcase_29	AC	39 ms; 1,548 KB
testcase_30	AC	39 ms; 1,548 KB
testcase_31	AC	39 ms; 1,552 KB

ソースコード

#include <iostream>
#include <vector>
#include <ctime>
using namespace std;

struct State {
	int a[66][66];
};

int N, K, L[509]; State S;

void flip(int px, int py, int qx, int qy) {
	for (int i = px; i <= qx; i++) {
		for (int j = py; j <= qy; j++) S.a[i][j] ^= 1;
	}
}
vector<int> solve(vector<int>M, vector<int>query) {
	int maxn = -1; vector<int>V;

	for (int i = 0; i < 1000; i++) {
		vector<int>U = M; vector<int>C;
		for (int j = 0; j < query.size(); j++) {
			int p1 = rand() % (N - query[j] + 1); C.push_back(p1 + 1);
			for (int k = p1; k < p1 + query[j]; k++) U[k] ^= 1;
		}
		int T = 0;
		for (int j = 0; j < U.size(); j++) {
			if (U[j] == 1) T++;
		}
		if (maxn < T) { maxn = T; V = C; }
	}
	return V;
}

int main() {
	srand((unsigned)time(NULL));
	cin >> N >> K;
	for (int i = 1; i <= K; i++) cin >> L[i];
	for (int i = 1; i <= N; i++) {
		for (int j = 1; j <= N; j++) {
			char c; cin >> c;
			if (c == '0') S.a[i][j] = 1;
			else S.a[i][j] = 0;
		}
	}
	int s = 1;
	for (int i = 1; i <= N; i++) {
		int t = (K - i + N) / N;
		vector<int>I, J;
		for (int j = s; j < s + t; j++) I.push_back(L[j]);
		for (int j = 1; j <= N; j++) J.push_back(S.a[i][j]);
		vector<int>Y = solve(J, I);
		for (int j = 0; j < Y.size(); j++) {
			cout << i << " " << Y[j] << " " << i << " " << Y[j] + I[j] - 1 << endl;
			flip(i, Y[j], i, Y[j] + I[j] - 1);
		}
		s += t;
	}
	int score = 0;
	for (int i = 1; i <= N; i++) {
		for (int j = 1; j <= N; j++) {
			if (S.a[i][j] == 1) score++;
		}
	}
	//cout << "#score = " << score << endl;
	return 0;
}