public static void SpreadBunnies(int row, int col, char[,] matrix, List <Bunny> bunnies)
{
matrix[row, col] = 'B';
var newBunny = new Bunny(row, col);
bunnies.Add(newBunny);
}
public static void Main()
{
var matrixSize = Console.ReadLine()
.Split(" ", StringSplitOptions.RemoveEmptyEntries)
.Select(int.Parse)
.ToArray();
var matrix = new char[matrixSize[0], matrixSize[1]];
int playerRow = -1;
int playerCol = -1;
bool playerWon = false;
bool playerLost = false;
var bunnies = new List <Bunny>();
for (int row = 0; row < matrixSize[0]; row++)
{
var elements = Console.ReadLine();
for (int col = 0; col < elements.Length; col++)
{
matrix[row, col] = elements[col];
if (elements[col] == 'P')
{
playerRow = row;
playerCol = col;
}
if (matrix[row, col] == 'B')
{
var bunny = new Bunny(row, col);
bunnies.Add(bunny);
}
}
}
string commands = Console.ReadLine();
for (int i = 0; i < commands.Length; i++)
{
matrix[playerRow, playerCol] = '.';
switch (commands[i])
{
case 'U':
if (playerRow == 0)
{
playerWon = true;
}
else if (matrix[playerRow - 1, playerCol] == 'B')
{
playerLost = true;
playerRow--;
}
else
{
matrix[playerRow - 1, playerCol] = 'P';
playerRow--;
}
break;
case 'D':
if (playerRow == matrixSize[0] - 1)
{
playerWon = true;
}
else if (matrix[playerRow + 1, playerCol] == 'B')
{
playerLost = true;
playerRow++;
}
else
{
matrix[playerRow + 1, playerCol] = 'P';
playerRow++;
}
break;
case 'L':
if (playerCol == 0)
{
playerWon = true;
}
else if (matrix[playerRow, playerCol - 1] == 'B')
{
playerLost = true;
playerCol--;
}
else
{
matrix[playerRow, playerCol - 1] = 'P';
playerCol--;
}
break;
case 'R':
if (playerCol == matrixSize[1] - 1)
{
playerWon = true;
}
else if (matrix[playerRow, playerCol + 1] == 'B')
{
playerLost = true;
playerCol++;
}
else
{
matrix[playerRow, playerCol + 1] = 'P';
playerCol++;
}
break;
}
int bunniesCount = bunnies.Count;
for (int j = 0; j < bunniesCount; j++)
{
int row = bunnies[j].X;
int col = bunnies[j].Y;
if (row - 1 >= 0)
{
if (matrix[row - 1, col] == 'P' && playerWon == false)
{
playerLost = true;
playerRow = row - 1;
playerCol = col;
}
int bunnyIndex = bunnies.FindIndex(b => b.X == row - 1 && b.Y == col);
if (bunnyIndex == -1)
{
SpreadBunnies(row - 1, col, matrix, bunnies);
}
}
if (row + 1 < matrix.GetLength(0))
{
if (matrix[row + 1, col] == 'P' && playerWon == false)
{
playerLost = true;
playerRow = row + 1;
playerCol = col;
}
int bunnyIndex = bunnies.FindIndex(b => b.X == row + 1 && b.Y == col);
if (bunnyIndex == -1)
{
SpreadBunnies(row + 1, col, matrix, bunnies);
}
}
if (col - 1 >= 0)
{
if (matrix[row, col - 1] == 'P' && playerWon == false)
{
playerLost = true;
playerRow = row;
playerCol = col - 1;
}
int bunnyIndex = bunnies.FindIndex(b => b.X == row && b.Y == col - 1);
if (bunnyIndex == -1)
{
SpreadBunnies(row, col - 1, matrix, bunnies);
}
}
if (col + 1 < matrix.GetLength(1))
{
if (matrix[row, col + 1] == 'P' && playerWon == false)
{
playerLost = true;
playerRow = row;
playerCol = col + 1;
}
int bunnyIndex = bunnies.FindIndex(b => b.X == row && b.Y == col + 1);
if (bunnyIndex == -1)
{
SpreadBunnies(row, col + 1, matrix, bunnies);
}
}
}
if (playerWon || playerLost)
{
for (int row = 0; row < matrix.GetLength(0); row++)
{
for (int col = 0; col < matrix.GetLength(1); col++)
{
Console.Write(matrix[row, col]);
}
Console.WriteLine();
}
if (playerWon)
{
Console.WriteLine($"won: {playerRow} {playerCol}");
}
else
{
Console.WriteLine($"dead: {playerRow} {playerCol}");
}
break;
}
}
}
