private bool ScanAreaPoints(AreaNumber areaNumber)
{
var areaPoints = GetAreaPoints(areaNumber);
var valuesInArea = areaPoints.Select(ap => ap.Value).ToList();
var missingNumbers = PossibleNumbers.Where(p => !valuesInArea.Contains(p)).ToList();
var anyNumberSolved = false;
foreach (var number in missingNumbers)
{
var numberPositions = FindPositionsForNumber(number);
var numberPositionsX = numberPositions.Select(p => p.X).ToList();
var numberPositionsY = numberPositions.Select(p => p.Y).ToList();
var freePosition = areaPoints.Where(a => a.Value == null &&
!numberPositionsX.Contains(a.Position.X) &&
!numberPositionsY.Contains(a.Position.Y)).ToList();
if (freePosition.Count() == 1)
{
freePosition[0].Value = number;
anyNumberSolved = true;
}
}
return(anyNumberSolved);
}
private List <Point> GetAreaPoints(AreaNumber areaNumber)
{
var areaStartingPosition = this.Areas.Single(area => area.AreaPosition == areaNumber).StartPosition;
return(SudokuMatrix.Where(p => p.Position.X >= areaStartingPosition.X &&
p.Position.X < areaStartingPosition.X + 3 &&
p.Position.Y >= areaStartingPosition.Y &&
p.Position.Y < areaStartingPosition.Y + 3).ToList());
}
/// <summary>
/// Returns true if ServiceArea instances are equal
/// </summary>
/// <param name="other">Instance of ServiceArea to be compared</param>
/// <returns>Boolean</returns>
public bool Equals(ServiceArea other)
{
if (other is null)
{
return(false);
}
if (ReferenceEquals(this, other))
{
return(true);
}
return
((
Id == other.Id ||
Id.Equals(other.Id)
) &&
(
MinistryServiceAreaID == other.MinistryServiceAreaID ||
MinistryServiceAreaID.Equals(other.MinistryServiceAreaID)
) &&
(
Name == other.Name ||
Name != null &&
Name.Equals(other.Name)
) &&
(
District == other.District ||
District != null &&
District.Equals(other.District)
) &&
(
StartDate == other.StartDate ||
StartDate.Equals(other.StartDate)
) &&
(
AreaNumber == other.AreaNumber ||
AreaNumber != null &&
AreaNumber.Equals(other.AreaNumber)
) &&
(
EndDate == other.EndDate ||
EndDate != null &&
EndDate.Equals(other.EndDate)
));
}
/// <summary>
/// Gets the hash code
/// </summary>
/// <returns>Hash code</returns>
public override int GetHashCode()
{
// credit: http://stackoverflow.com/a/263416/677735
unchecked // Overflow is fine, just wrap
{
int hash = 41;
// Suitable nullity checks
hash = hash * 59 + Id.GetHashCode();
hash = hash * 59 + MinistryServiceAreaID.GetHashCode();
if (Name != null)
{
hash = hash * 59 + Name.GetHashCode();
}
if (District != null)
{
hash = hash * 59 + District.GetHashCode();
}
hash = hash * 59 + StartDate.GetHashCode();
if (AreaNumber != null)
{
hash = hash * 59 + AreaNumber.GetHashCode();
}
if (EndDate != null)
{
hash = hash * 59 + EndDate.GetHashCode();
}
return(hash);
}
}
/// <summary>
/// Returns a hash code for this instance.
/// </summary>
/// <returns>
/// A hash code for this instance, suitable for use in hashing algorithms and data
/// structures like a hash table.
/// </returns>
public override int GetHashCode()
{
return(AreaNumber.GetHashCode() + GroupNumber.GetHashCode() + SerialNumber.GetHashCode());
}
/// <summary>
/// Determines if two SocialSecurityNumber objects are equal.
/// </summary>
/// <param name="other">The other number.</param>
/// <returns><c>true</c> if equal, <c>false</c> otherwise.</returns>
public bool Equals(SocialSecurityNumber other)
{
return(AreaNumber.Equals(other.AreaNumber) && GroupNumber.Equals(other.GroupNumber) && SerialNumber.Equals(other.SerialNumber));
}
public Area(AreaNumber areaPosition, Position startPosition)
{
this.AreaPosition = areaPosition;
this.StartPosition = startPosition;
this.IsSolved = false;
}