public static void Task1()
{
Console.WriteLine("AOC2020_Day9_Task1");
var input = Day9_Common.GetInput();
const int preamblelen = 25;
List <Int64> preamble = new List <Int64>();
for (int i = 0; i < input.Count; i++)
{
Int64 val = input[i];
if (i < preamblelen)
{
preamble.Add(val);
continue;
}
if (Day9_Common.ValidNmb(preamble, val))
{
preamble[i % preamblelen] = val;
continue;
}
Console.WriteLine("Nmb : {0}", val);
return;
}
Console.WriteLine("Not found????");
}
public static void Task2()
{
Console.WriteLine("AOC2020_Day9_Task2");
var input = Day9_Common.GetInput();
var invalidnmb = 14144619;
for (int i = 0; i < input.Count - 1; i++)
{
var sum = input[i];
int j = i + 1;
for (; j < input.Count && sum < invalidnmb; j++)
{
sum += input[j];
}
if (sum == invalidnmb)
{
var list = new SortedSet <Int64>(input.GetRange(i, j - i + 1));
Console.WriteLine("Min : {0} Max : {1} Sum : {2}", list.Min, list.Max, list.Min + list.Max);
return;
}
}
Console.WriteLine("Not found????");
}
