static Object PartA()
{
var input = ReadIndata.Longs(inputPath);
long ans = 0;
bool found = true;
const int n = 25;
int t = n;
while (found)
{
found = false;
ans = input[t];
for (int i = 0; i < n; i++)
{
for (int j = 0; j < n; j++)
{
if ((i != j) && (input[t - n + i] + input[t - n + j] == ans))
{
found = true;
}
}
}
t++;
}
Console.WriteLine("Part A: Result is {0}", ans);
return(ans);
}
static Object PartB()
{
var input = ReadIndata.Longs(inputPath);
long ans = 0;
const long tgt = 167829540;
int t = 0;
while (ans <= 0)
{
long sum = 0;
int n = 0;
for (n = 0; n < 2 || sum < tgt; n++)
{
sum += input[t + n];
}
if (sum == tgt)
{
var r = input.Skip(t).Take(n).ToList();
ans = r.Min() + r.Max();
}
t++;
}
Console.WriteLine("Part B: Result is {0}", ans);
return(ans);
}
static Object PartB()
{
List <long> input = ReadIndata.Longs(inputPath);
input.Sort();
long ans = 0;
for (int i = 0; i < input.Count; i++)
{
for (int j = 0; j < input.Count; j++)
{
if (j != i)
{
long a = input[i];
long b = input[j];
long c = 2020 - a - b;
if (input.Contains(c))
{
ans = a * b * c;
break;
}
}
}
}
Console.WriteLine("Part B: Result is {0}", ans);
return(ans);
}
