public override string Solve()
{
var frequency = 0;
foreach (var line in _lines)
{
frequency += FrequencyParser.ParseChange(line);
}
return(frequency.ToString());
}
public override string Solve()
{
var frequency = 0;
var reachedFrequencies = new HashSet <int>();
while (true)
{
foreach (var line in InputReader.ReadLines())
{
frequency += FrequencyParser.ParseChange(line);
if (reachedFrequencies.Contains(frequency))
{
return(frequency.ToString());
}
reachedFrequencies.Add(frequency);
}
}
}