Untitled

 avatar
unknown
plain_text
2 years ago
1.7 kB
5
Indexable
#include<iostream>
using namespace std;
int arr[7][8];
int check[7][7];
int visit[7][8];
int result;
void domino(int x, int y) {
	if (x == 7) {
		result++;
		return;
	}
	if (visit[x][y] == 0) {
		if (y < 7) {
			if (visit[x][y + 1] == 0) {
				if (check[arr[x][y]][arr[x][y + 1]] == 0) {
					check[arr[x][y]][arr[x][y + 1]] = 1;
					check[arr[x][y + 1]][arr[x][y]] = 1;
					visit[x][y] = 1;
					visit[x][y + 1] = 1;
					if (y + 1 < 7) domino(x, y + 1);
					else domino (x + 1, 0);
					check[arr[x][y]][arr[x][y + 1]] = 0;
					check[arr[x][y + 1]][arr[x][y]] = 0;
					visit[x][y] = 0;
					visit[x][y + 1] = 0;
				}
			}
		}
		if (x < 6) {
			if (visit[x + 1][y] == 0) {
				if (check[arr[x][y]][arr[x + 1][y]] == 0) {
					check[arr[x][y]][arr[x + 1][y]] = 1;
					check[arr[x + 1][y]][arr[x][y]] = 1;
					visit[x][y] = 1;
					visit[x + 1][y] = 1;
					if (y < 7) domino (x, y + 1);
					else domino(x + 1, 0);
					check[arr[x][y]][arr[x + 1][y]] = 0;
					check[arr[x + 1][y]][arr[x][y]] = 0;
					visit[x][y] = 0;
					visit[x + 1][y] = 0;
				}
			}
		}
	} else {
		if (y < 7) domino(x, y + 1);
		else domino (x + 1, 0);
	}

}

int main()
{
	int test_case;
	int T;

	freopen("input.txt", "r", stdin);
	cin >> T;

	/*
	Read each test case from standard input.
	*/
	for(test_case = 1; test_case <= T; ++test_case)
	{
		for (int col = 0; col < 7; col++) {
			for (int row = 0; row < 8; row++) {
				cin >> arr[col][row];
			}
		}

		result = 0;
		domino(0, 0);

		cout << "#" << test_case << ' ' << result << endl;
	}
	return 0;//Your program should return 0 on normal termination.
}
Editor is loading...