#260520 (C++14) No.5002 stick xor

• 問題: No.5002 stick xor
• ユーザー: square1001
• 提出日時: 2018-05-26 11:46:36
• 言語: C++14 (gcc 12.3.0 + boost 1.83.0)
• 結果: AC
• 実行時間: 996 ms / 1,000 ms
• コード長: 1,545 bytes
• コンパイル時間: 34,721 ms
• 実行使用メモリ: 1,628 KB
• スコア: 38,369
• 最終ジャッジ日時: 2018-05-26 11:47:13
• ジャッジサーバーID （参考情報）: judge9 /

入力	結果	実行時間; 実行使用メモリ
testcase_00	AC	976 ms; 1,628 KB
testcase_01	AC	987 ms; 1,624 KB
testcase_02	AC	983 ms; 1,628 KB
testcase_03	AC	990 ms; 1,624 KB
testcase_04	AC	976 ms; 1,624 KB
testcase_05	AC	981 ms; 1,628 KB
testcase_06	AC	981 ms; 1,628 KB
testcase_07	AC	987 ms; 1,620 KB
testcase_08	AC	979 ms; 1,624 KB
testcase_09	AC	981 ms; 1,624 KB
testcase_10	AC	984 ms; 1,624 KB
testcase_11	AC	980 ms; 1,628 KB
testcase_12	AC	981 ms; 1,624 KB
testcase_13	AC	991 ms; 1,620 KB
testcase_14	AC	987 ms; 1,624 KB
testcase_15	AC	987 ms; 1,628 KB
testcase_16	AC	979 ms; 1,624 KB
testcase_17	AC	979 ms; 1,628 KB
testcase_18	AC	989 ms; 1,624 KB
testcase_19	AC	980 ms; 1,628 KB
testcase_20	AC	994 ms; 1,628 KB
testcase_21	AC	981 ms; 1,628 KB
testcase_22	AC	980 ms; 1,624 KB
testcase_23	AC	978 ms; 1,620 KB
testcase_24	AC	988 ms; 1,628 KB
testcase_25	AC	979 ms; 1,624 KB
testcase_26	AC	996 ms; 1,628 KB
testcase_27	AC	979 ms; 1,624 KB
testcase_28	AC	982 ms; 1,624 KB
testcase_29	AC	988 ms; 1,628 KB
testcase_30	AC	986 ms; 1,624 KB
testcase_31	AC	987 ms; 1,624 KB

ソースコード

#include <ctime>
#include <string>
#include <vector>
#include <iostream>
#include <algorithm>
using namespace std;
int seed = 123456789;
int rand_gen() {
	seed ^= seed << 13;
	seed ^= seed >> 17;
	seed ^= seed << 5;
	return seed;
}
int main() {
	int N, K;
	cin >> N >> K;
	vector<int> L(K);
	for (int i = 0; i < K; i++) cin >> L[i];
	vector<vector<int> > v(N, vector<int>(N));
	for (int i = 0; i < N; i++) {
		string s;
		cin >> s;
		for (int j = 0; j < N; j++) {
			v[i][j] = s[j] - '0';
		}
	}
	vector<vector<int> > x = v;
	vector<int> vx(K, -1), vy(K, -1);
	int score = 0;
	int u = clock();
	while (clock() - u < 0.970 * CLOCKS_PER_SEC) {
		int iniscore = score;
		for (int i = 0; i < K; i++) {
			if (vx[i] != -1) {
				for (int j = vy[i]; j < vy[i] + L[i]; j++) score += (x[vx[i]][j] == 1 ? 1 : -1), x[vx[i]][j] ^= 1;
			}
			int cur = -1;
			vector<pair<int, int> > candy;
			for (int j = 0; j < N; j++) {
				for (int k = 0; k <= N - L[i]; k++) {
					int sum = 0;
					for (int l = k; l < k + L[i]; l++) sum += x[j][l];
					if (sum > cur) {
						cur = sum;
						candy.clear();
					}
					if (sum == cur) {
						candy.push_back(make_pair(j, k));
					}
				}
			}
			pair<int, int> pp = candy[rand() % candy.size()];
			int px = pp.first, py = pp.second;
			vx[i] = px;
			vy[i] = py;
			for (int j = py; j < py + L[i]; j++) x[px][j] ^= 1;
			score += cur * 2 - L[i];
		}
		//cout << score << endl;
	}
	for (int i = 0; i < K; i++) cout << vx[i] + 1 << ' ' << vy[i] + 1 << ' ' << vx[i] + 1 << ' ' << vy[i] + L[i] << endl;
	return 0;
}