private static void ChangeMatrix(Santa santa, char[,] matrix)
{
if (matrix[santa.X, santa.Y] == 'V') // if is nice kid
{
GivePresentToNiceKid(santa);
matrix[santa.X, santa.Y] = '-';
}
if (matrix[santa.X, santa.Y] == 'X') // if is naughty kid
{
matrix[santa.X, santa.Y] = '-';
}
if (matrix[santa.X, santa.Y] == 'C') // if it is a cookie
{
if (matrix[santa.X - 1, santa.Y] == 'V')
{
GivePresentToNiceKid(santa);
matrix[santa.X - 1, santa.Y] = '-';
}
else if (matrix[santa.X - 1, santa.Y] == 'X')
{
santa.Presents--;
matrix[santa.X - 1, santa.Y] = '-';
}
if (matrix[santa.X + 1, santa.Y] == 'V')
{
GivePresentToNiceKid(santa);
matrix[santa.X + 1, santa.Y] = '-';
}
else if (matrix[santa.X + 1, santa.Y] == 'X')
{
santa.Presents--;
matrix[santa.X + 1, santa.Y] = '-';
}
if (matrix[santa.X, santa.Y - 1] == 'V')
{
GivePresentToNiceKid(santa);
matrix[santa.X, santa.Y - 1] = '-';
}
else if (matrix[santa.X, santa.Y - 1] == 'X')
{
santa.Presents--;
matrix[santa.X, santa.Y - 1] = '-';
}
if (matrix[santa.X, santa.Y + 1] == 'V')
{
GivePresentToNiceKid(santa);
matrix[santa.X, santa.Y + 1] = '-';
}
else if (matrix[santa.X, santa.Y + 1] == 'X')
{
santa.Presents--;
matrix[santa.X, santa.Y + 1] = '-';
}
matrix[santa.X, santa.Y] = '-'; // remove the Cookie mark
}
}
private static void FillMatrix(int matrixSize, char[,] matrix, Santa santa)
{
for (int i = 0; i < matrixSize; i++)
{
var matrixLine = Console.ReadLine().Split(' ', StringSplitOptions.RemoveEmptyEntries);
for (int j = 0; j < matrixSize; j++)
{
matrix[i, j] = char.Parse(matrixLine[j]);
FindInitialPlayerPNiceKidsCount(santa, matrix, j, i);
}
}
}
static int HappySanta(Santa santa, string[,] matrix)
{
int presentsGoodKidsFromHappy = 0;
if (matrix[santa.SantaRow - 1, santa.SantaCol] == "V")
{
presentsGoodKidsFromHappy++;
santa.PresentsCount--;
matrix[santa.SantaRow - 1, santa.SantaCol] = "-";
}
if (matrix[santa.SantaRow + 1, santa.SantaCol] == "V")
{
presentsGoodKidsFromHappy++;
santa.PresentsCount--;
matrix[santa.SantaRow + 1, santa.SantaCol] = "-";
}
if (matrix[santa.SantaRow, santa.SantaCol - 1] == "V")
{
presentsGoodKidsFromHappy++;
santa.PresentsCount--;
matrix[santa.SantaRow, santa.SantaCol - 1] = "-";
}
if (matrix[santa.SantaRow, santa.SantaCol + 1] == "V")
{
presentsGoodKidsFromHappy++;
santa.PresentsCount--;
matrix[santa.SantaRow, santa.SantaCol + 1] = "-";
}
if (matrix[santa.SantaRow - 1, santa.SantaCol] == "X")
{
santa.PresentsCount--;
matrix[santa.SantaRow - 1, santa.SantaCol] = "-";
}
if (matrix[santa.SantaRow + 1, santa.SantaCol] == "X")
{
santa.PresentsCount--;
matrix[santa.SantaRow + 1, santa.SantaCol] = "-";
}
if (matrix[santa.SantaRow, santa.SantaCol - 1] == "X")
{
santa.PresentsCount--;
matrix[santa.SantaRow, santa.SantaCol - 1] = "-";
}
if (matrix[santa.SantaRow, santa.SantaCol + 1] == "X")
{
santa.PresentsCount--;
matrix[santa.SantaRow, santa.SantaCol + 1] = "-";
}
return(presentsGoodKidsFromHappy);
}
private static void FindInitialPlayerPNiceKidsCount(Santa santa, char[,] matrix, int j, int i)
{
if (matrix[i, j] == 'S')
{
matrix[i, j] = '-'; //need to remove initial santa mark
santa.X = i;
santa.Y = j;
}
if (matrix[i, j] == 'V')
{
santa.NiceKidsCount++;
}
}
private static bool ChangePlayerPosition(Santa santa, char[,] matrix, string playerCommand) // if hit the wall stay there
{
if (playerCommand == "up")
{
if (santa.X - 1 < 0)
{
santa.X = 0;
return(true);
}
santa.X -= 1;
return(false);
}
if (playerCommand == "down")
{
if (santa.X + 1 >= matrix.GetLength(0))
{
santa.X = matrix.GetLength(0) - 1;
return(true);
}
santa.X += 1;
return(false);
}
if (playerCommand == "left")
{
if (santa.Y - 1 < 0)
{
santa.Y = 0;
return(true);
}
santa.Y -= 1;
return(false);
}
if (playerCommand == "right")
{
if (santa.Y + 1 >= matrix.GetLength(1))
{
santa.Y = matrix.GetLength(1) - 1;
return(true);
}
santa.Y += 1;
return(false);
}
return(false);
}
static Santa GetSanta(string[,] matrix, int countPresents)
{
int santaRow = -1;
int santaCol = -1;
for (int row = 0; row < matrix.GetLength(0); row++)
{
for (int col = 0; col < matrix.GetLength(1); col++)
{
if (matrix[row, col] == "S")
{
santaRow = row;
santaCol = col;
}
}
}
Santa santa = new Santa(santaRow, santaCol, countPresents);
return(santa);
}
static void Main(string[] args)
{
Santa santa = new Santa();
santa.Presents = int.Parse(Console.ReadLine());
int matrixSize = int.Parse(Console.ReadLine());
char[,] matrix = new char[matrixSize, matrixSize];
FillMatrix(matrixSize, matrix, santa);
int initialKidCount = santa.NiceKidsCount;
string command = Console.ReadLine();
bool ifHitWall = false;
while (command != "Christmas morning")
{
if (ChangePlayerPosition(santa, matrix, command) && ifHitWall == false)
{
ifHitWall = true; //if at least once hit a wall. Does, If Santa goes out of the neighborhood, means hit a wall ?
}
ChangeMatrix(santa, matrix);
if (santa.Presents == 0)
{
break;
}
command = Console.ReadLine();
}
matrix[santa.X, santa.Y] = 'S'; // mark santa final position
if (santa.Presents == 0 || ifHitWall)
{
Console.WriteLine("Santa ran out of presents!");
}
Print(matrix);
Console.WriteLine(santa.NiceKidsCount == 0
? $"Good job, Santa! {initialKidCount} happy nice kid/s."
: $"No presents for {santa.NiceKidsCount} nice kid/s.");
}
static void Main(string[] args)
{
int countPresents = int.Parse(Console.ReadLine());
int n = int.Parse(Console.ReadLine());
var matrix = GetMatrix(n);
//PrintMatrix(matrix);
//S-Santa coordinates
//X-naughty kid no present
//C cooky=>good Santa=> presents all kids around-up,down, left, right. Position C
int goodKidsNum = GetGoodKidsNum(matrix);
int presentsGoodKids = 0;
Santa santa = GetSanta(matrix, countPresents);
matrix[santa.SantaRow, santa.SantaCol] = "-";
while (true)
{
string position = Console.ReadLine();
if (position == "Christmas morning")
{
matrix[santa.SantaRow, santa.SantaCol] = "S";
PrintMatrix(matrix);
if (presentsGoodKids == goodKidsNum)
{
Console.WriteLine($"Good job, Santa! {presentsGoodKids} happy nice kid/s.");
}
else
{
Console.WriteLine($"No presents for {goodKidsNum-presentsGoodKids} nice kid/s.");
}
break;
}
else
{
if (position == "up")
{
if (santa.SantaRow - 1 >= 0)
{
santa.SantaRow--;
if (matrix[santa.SantaRow, santa.SantaCol] == "V")
{
presentsGoodKids++;
santa.PresentsCount--;
matrix[santa.SantaRow, santa.SantaCol] = "-";
}
else if (matrix[santa.SantaRow, santa.SantaCol] == "X")
{
matrix[santa.SantaRow, santa.SantaCol] = "-";
continue;
}
else if (matrix[santa.SantaRow, santa.SantaCol] == "C")
{
presentsGoodKids += HappySanta(santa, matrix);
}
}
else
{
continue;
}
}
else if (position == "down")
{
if (santa.SantaRow + 1 < n)
{
santa.SantaRow++;
if (matrix[santa.SantaRow, santa.SantaCol] == "V")
{
presentsGoodKids++;
santa.PresentsCount--;
matrix[santa.SantaRow, santa.SantaCol] = "-";
}
else if (matrix[santa.SantaRow, santa.SantaCol] == "X")
{
matrix[santa.SantaRow, santa.SantaCol] = "-";
continue;
}
else if (matrix[santa.SantaRow, santa.SantaCol] == "C")
{
presentsGoodKids += HappySanta(santa, matrix);
}
}
else
{
continue;
}
}
else if (position == "left")
{
if (santa.SantaCol - 1 >= 0)
{
santa.SantaCol--;
if (matrix[santa.SantaRow, santa.SantaCol] == "V")
{
presentsGoodKids++;
santa.PresentsCount--;
matrix[santa.SantaRow, santa.SantaCol] = "-";
}
else if (matrix[santa.SantaRow, santa.SantaCol] == "X")
{
matrix[santa.SantaRow, santa.SantaCol] = "-";
continue;
}
else if (matrix[santa.SantaRow, santa.SantaCol] == "C")
{
presentsGoodKids += HappySanta(santa, matrix);
}
}
else
{
continue;
}
}
else if (position == "right")
{
if (santa.SantaCol + 1 < n)
{
santa.SantaCol++;
if (matrix[santa.SantaRow, santa.SantaCol] == "V")
{
presentsGoodKids++;
santa.PresentsCount--;
matrix[santa.SantaRow, santa.SantaCol] = "-";
}
else if (matrix[santa.SantaRow, santa.SantaCol] == "X")
{
matrix[santa.SantaRow, santa.SantaCol] = "-";
continue;
}
else if (matrix[santa.SantaRow, santa.SantaCol] == "C")
{
presentsGoodKids += HappySanta(santa, matrix);
}
}
else
{
continue;
}
}
if (santa.PresentsCount == 0)
{
Console.WriteLine("Santa ran out of presents!");
matrix[santa.SantaRow, santa.SantaCol] = "S";
PrintMatrix(matrix);
if (presentsGoodKids == goodKidsNum)
{
Console.WriteLine($"Good job, Santa! {presentsGoodKids} happy nice kid/s.");
}
else
{
Console.WriteLine($"No presents for {goodKidsNum - presentsGoodKids} nice kid/s.");
}
break;
}
}
}
}
private static void GivePresentToNiceKid(Santa santa)
{
santa.Presents--;
santa.NiceKidsCount--;
}
