static void Main()
{
InitializeMatrix(out var matrix);
Targetdetails target = null;
while (TakeInput(ref target))
{
Strike(ref matrix, ref target);
}
PrintMatrix(ref matrix);
}
static bool TakeInput(ref Targetdetails target)
{
var input = Console.ReadLine();
if (input == "Nuke it from orbit")
{
return(false);
}
var targetAndRadius = input.Split(new[] { ' ' }, StringSplitOptions.RemoveEmptyEntries)
.Select(int.Parse).ToArray();
int targetRow = targetAndRadius[0];
int targetCol = targetAndRadius[1];
int targetRadius = targetAndRadius[2];
target = new Targetdetails(targetRow, targetCol, targetRadius);
return(true);
}
static void Strike(ref List <List <long> > matrix, ref Targetdetails target)
{
for (int row = target.Row - target.Radius; row <= target.Row + target.Radius; row++)
{
if (row < 0 || row >= matrix.Count)
{
continue;
}
if (row == target.Row)
{
for (int col = target.Col + target.Radius; col >= target.Col - target.Radius; col--)
{
if (col < 0 || col >= matrix[row].Count)
{
continue;
}
matrix[row].RemoveAt(col);
}
}
else
{
if (target.Col < 0 || target.Col >= matrix[row].Count)
{
continue;
}
matrix[row].RemoveAt(target.Col);
}
}
for (int row = 0; row < matrix.Count; row++)
{
if (matrix[row].Count == 0)
{
matrix.RemoveAt(row);
row--;
}
}
}