/// <summary>
/// Converts the given <see cref="SudokuPuzzle"/> into a list of strings
/// </summary>
/// <param name="puzzle">The <see cref="SudokuPuzzle"/> being converted into a list of strings</param>
/// <returns>A list of strings containing the <see cref="SudokuPuzzle"/></returns>
public List <string> ConvertToStrings(SudokuPuzzle puzzle)
{
List <string> stringEquivalent = new List <string>();
stringEquivalent.Add((puzzle.Dimension * puzzle.Dimension).ToString());
StringBuilder symbolLineBuilder = new StringBuilder();
for (int i = puzzle.CellMin; i <= puzzle.CellMax; ++i)
{
if (symbolLineBuilder.Length > 0)
{
symbolLineBuilder.Append(' ');
}
symbolLineBuilder.Append(this.intToSymbolMap[i]);
}
stringEquivalent.Add(symbolLineBuilder.ToString());
symbolLineBuilder.Clear();
foreach (var row in puzzle.Rows)
{
foreach (Cell cell in row)
{
if (symbolLineBuilder.Length > 0)
{
symbolLineBuilder.Append(' ');
}
int cellValue = 0;
if (cell.Count == 1)
{
cellValue = cell.AllowedValue;
}
symbolLineBuilder.Append(this.intToSymbolMap[cellValue]);
}
stringEquivalent.Add(symbolLineBuilder.ToString());
symbolLineBuilder.Clear();
}
return(stringEquivalent);
}
/// <summary>
/// Creates a copy of the <see cref="SudokuPuzzle"/>
/// </summary>
/// <returns>A copy of the <see cref="SudokuPuzzle"/></returns>
public SudokuPuzzle Clone()
{
List <int> cellValues = new List <int>();
for (int i = 0; i < this.Dimension * this.Dimension * this.Dimension * this.Dimension; ++i)
{
cellValues.Add(0);
}
SudokuPuzzle newPuzzle = new SudokuPuzzle(this.Dimension, cellValues);
for (int i = 0; i < this.Dimension * this.Dimension; ++i)
{
for (int k = 0; k < this.Dimension * this.Dimension; ++k)
{
this.SetCellAllowedValues(this.rows[i][k], newPuzzle.rows[i][k]);
}
}
return(newPuzzle);
}
