public static bool Fraudulent(GroupOnRecord recordOne, GroupOnRecord recordTwo)
{
if (recordOne.DealId == recordTwo.DealId &&
recordOne.EmailAddress == recordTwo.EmailAddress &&
recordOne.CreditCard != recordTwo.CreditCard)
{
return(true);
}
if (recordOne.DealId == recordTwo.DealId &&
recordOne.StreetAddress == recordTwo.StreetAddress &&
recordOne.City == recordTwo.City &&
recordOne.State == recordTwo.State &&
recordOne.ZipCode == recordTwo.ZipCode &&
recordOne.CreditCard != recordTwo.CreditCard)
{
return(true);
}
return(false);
}
public static void FraudPrevention(int numOfRecords)
{
var records = new List <GroupOnRecord>();
for (int recordNum = 0; recordNum < numOfRecords; recordNum++)
{
records.Add(new GroupOnRecord(Console.ReadLine()));
}
var fraudRecords = new List <long>();
var recArray = records.ToArray();
for (int i = 0; i < recArray.Length - 1; i++)
{
var currRecord = recArray[i];
//if (fraudRecords.Contains(currRecord.DealId))
// continue;
for (int j = i + 1; j < recArray.Length; j++)
{
if (GroupOnRecord.Fraudulent(currRecord, recArray[j]))
{
if (!fraudRecords.Contains(currRecord.OrderId))
{
fraudRecords.Add(currRecord.OrderId);
}
if (!fraudRecords.Contains(recArray[j].OrderId))
{
fraudRecords.Add(recArray[j].OrderId);
}
}
}
}
Console.WriteLine(string.Join(",", fraudRecords.OrderBy(s => s).ToArray()));
}
