public InputFile(string filePath)
{
using (var file = File.OpenText(filePath))
{
var testCaseCount = int.Parse(file.ReadLine());
testCases = new List<TestCase>(testCaseCount);
for (var i = 0; i < testCaseCount; i++)
{
var tokens = file.ReadLine().Split(' ').Select(int.Parse).ToArray();
var N = tokens[0];
var K = tokens[1];
var table = new Table(N);
for (var row = 0; row < N; row++)
{
var input = file.ReadLine().ToArray();
Debug.Assert(input.Length == N);
for (var col = 0; col < N; col++)
table[row,col] = input[col];
}
testCases.Add(new TestCase { Table = table, K = K });
}
}
}
static bool IsWinner(Table table, char player, int K)
{
for (var row = 0; row < table.Width; row++)
{
for (var col = 0; col < table.Width; col++)
{
if (IsWinnerAtPoint(table, player, K, col, row, 0, 1)) return true;
if (IsWinnerAtPoint(table, player, K, col, row, 1, 0)) return true;
if (IsWinnerAtPoint(table, player, K, col, row, 1, 1)) return true;
if (IsWinnerAtPoint(table, player, K, col, row, -1, 1)) return true;
}
}
return false;
}
static bool IsWinnerAtPoint(Table table, char player, int K, int col, int row, int colInc, int rowInc)
{
if (table[col, row] == player)
{
if (K == 1) return true;
col += colInc;
if (col < 0 || col >= table.Width) return false;
row += rowInc;
if (row < 0 || row >= table.Width) return false;
return IsWinnerAtPoint(table, player, K - 1, col, row, colInc, rowInc);
}
else return false;
}
public Table ApplyGravityOnTheRight()
{
var t = new Table(Width);
for (int row = 0; row < Width; row++)
{
int dstCol = Width-1;
for (var srcCol = Width-1; srcCol >= 0; srcCol--)
{
if (array[row, srcCol] != '.')
t.array[row, dstCol--] = array[row, srcCol];
}
while (dstCol >= 0)
t.array[row, dstCol--] = '.';
}
return t;
}