private void GenerateSettings(bool loopMode)
{
ulong checkSum = 10;
ulong start = 1234;
ulong end = 43210;
if (loopMode)
{
start = 56789;
end = 98765;
checkSum = 35;
}
computerSettings = new List <ulong[]>();
for (ulong i = start; i <= end; i++)
{
ulong[] currNumber = NumberLists.SetLength(NumberLists.MakeArray(i), 5, false);
if (NumberLists.CrossSum(currNumber) == checkSum && NumberLists.UniqueDigits(currNumber))
{
computerSettings.Add(currNumber.ToArray());
}
}
if (computerSettings.Count != 120)
{
throw new Exception("Wrong amount of settings generated");
}
}
private ulong[] GetLastValue(ulong upper)
{
ulong[] number = GetFirstValue(NumberLists.MakeArray(upper));
if (NumberLists.MakeNumber(number) > upper)
{
ulong maxVal = number[0] - 1;
number = NumberLists.SetAll(number, 9);
number[0] = maxVal;
}
return(number);
}
public override string Solve(string input, bool part2)
{
isPart2 = part2;
string[] range = input.Split('-');
if (range.Length != 2)
{
throw new ArgumentOutOfRangeException("input", "Only two Values allowed!");
}
if (!ulong.TryParse(range[0], out start) || !ulong.TryParse(range[1], out ulong uLimit))
{
throw new ArgumentException("Input is not a Number!", "input");
}
if (range[0].Length != 6 || range[1].Length != 6)
{
throw new ArgumentOutOfRangeException("input", "The numbers must be exactly 6 digits long!");
}
if (uLimit <= start)
{
throw new ArgumentOutOfRangeException("input", "The Selected range is 0 or negative!");
}
end = GetLastValue(uLimit);
ulong[] currNumber = GetFirstValue(NumberLists.MakeArray(start));
int doublePos = GetDoublePos(currNumber, out ulong doubleValue);
bool endReached = true;
List <ulong> values = new List <ulong>();
List <ulong> discarded = new List <ulong>();
do
{
if (GetDoublePos(currNumber) != -1)
{
values.Add(NumberLists.MakeNumber(currNumber));
}
else
{
discarded.Add(NumberLists.MakeNumber(currNumber));
}
currNumber = IncreaseValueAt(currNumber, currNumber.Length - 1);
endReached = true;
for (int i = 0; i < currNumber.Length; i++)
{
if (currNumber[i] < end[i])
{
endReached = false;
continue;
}
}
} while (!endReached);
ulong endValue = NumberLists.MakeNumber(currNumber);
if (endValue <= uLimit && GetDoublePos(currNumber) != -1)
{
values.Add(endValue);
}
else
{
discarded.Add(endValue);
}
StringBuilder valueList = new StringBuilder();
foreach (ulong value in values)
{
valueList.AppendLine(value.ToString());
}
valueList.AppendLine("DISCARDED:");
foreach (ulong value in discarded)
{
valueList.AppendLine(value.ToString());
}
return(string.Format("{0}\r\nFound {1} Values:\r\n", valueList.ToString(), values.Count));
}