不知道有什么难的······

#include <iostream>
#include <cstring>
using namespace std;
const int N = 1010;
char mp[N][N];
bool st[N][N];
int dx[] = {0, 1, 0, -1}, dy[] = {1, 0, -1, 0};
int main()
{
	int t;
	cin >> t;
	while(t --)
	{
		int n, m, k, x, y, d;
		cin >> n >> m >> k >> x >> y >> d;
		for(int i = 1;i <= n;i ++)
			for(int j = 1;j <= m;j ++)
				cin >> mp[i][j];
		int ans = 1;
		st[x][y] = true;
		while(k --)
		{
			int a = x + dx[d], b = y + dy[d];
			if(a >= 1 && a <= n && b >= 1 && b <= m && mp[a][b] == '.')
			{
				x = a, y = b;
				if(!st[a][b])
				{
					ans ++;
					st[a][b] = true;
				}
			}
			else d = (d + 1) % 4;
		}
		cout << ans << endl;
		memset(st, 0, sizeof(st));
	}
	return 0;
}