/// <summary>
/// get random valid completed sudoku grid
/// </summary>
private void GetValidCompleteSudoku()
{
completeSudokuValues = ListExtensions.GetValidCompletedSudoku();
for (int i = 1; i <= Board.Size; i++)
{
Board.GetSquareByID(i).FillWithValues(completeSudokuValues[i - 1]);
}
int numberOfRepetitions = generator.Next(minrowOrColumnSwaps, maxrowOrColumnSwaps);
for (int i = 0; i < numberOfRepetitions; i++)
{
int option = generator.Next(0, 5);
int squareNumber = generator.Next(Board.SquaresPerDimension);
int outerIndex = squareNumber * Board.SquaresPerDimension;
int innerIndex1 = generator.Next(Board.SquaresPerDimension);
int innerIndex2 = generator.Next(Board.SquaresPerDimension);
int first = outerIndex + innerIndex1;
int second = outerIndex + innerIndex2;
switch (option)
{
case 0:
Board.SwapColumns(first, second);
break;
case 1:
Board.SwapRows(first, second);
break;
case 2:
Board.SwapColumnSquares(innerIndex1, innerIndex2);
break;
case 3:
Board.SwapRowSquares(innerIndex1, innerIndex2);
break;
case 4:
Board.Transponse();
break;
default:
break;
}
}
// set SolvedSudokuValues
for (int i = 0; i < Board.Size; i++)
{
var row = new List <int>();
for (int j = 0; j < Board.Size; j++)
{
row.Add(int.Parse(Board[i, j].Value));
}
SolvedSudokuValues.Add(row);
}
}
