#set intersection - codeeval

[EASY] Set Intersection – CodeEval

Here is the problem: https://www.codeeval.com/open_challenges/30/

And here is my solution. I get 100% with this code.

  using System; using System.IO; using System.Collections.Generic; using System.Linq; class Program { static void Main(string[] args) { StreamReader reader = new StreamReader(args[0]); List lines = new List(); using (reader) { string line = reader.ReadLine(); while (line != null)…