DataGrids

Newtonsoft.Json Newtonsoft.Json void Main() { var path = Path.Combine(Path.GetDirectoryName (Util.CurrentQueryPath),"..","day12.txt"); // part 1 var reader = new JsonTextReader(new StringReader(File.ReadAllText(path))); long count = 0; while (reader.Read()) { if (reader.TokenType == JsonToken.Integer) count += (long)reader.Value; } count.Dump(); // part 2 var s = File.ReadAllText(path); reader = new JsonTextReader(new StringReader(s)); Count(reader).Dump(); } private long Count(JsonTextReader reader) { long ret = 0; bool isRed= false; bool isObject = reader.TokenType == JsonToken.StartObject; while(reader.Read()) { if (reader.TokenType == JsonToken.EndObject || reader.TokenType == JsonToken.EndArray) return isRed ? 0 : ret; if (reader.TokenType == JsonToken.Integer) ret += (long)reader.Value; if (reader.TokenType == JsonToken.StartObject || reader.TokenType == JsonToken.StartArray) ret += Count(reader); if (isObject && string.Equals(reader.Value as string, "red")) isRed=true; } return ret; }