Preparations for AdventOfCode section

www/statics/aoc/2018/02-2.linq

@@ -0,0 +1,11 @@
+<Query Kind="Statements" />
+
+var data = File.ReadAllLines(Path.Combine(Path.GetDirectoryName(Util.CurrentQueryPath), @"02_input.txt"));
+
+data
+	.Select(d1 => data.Where(d2 => d1.Zip(d2.ToCharArray(), (a,b) => a!=b).Count(p=>p)==1  ))
+	.Where(p => p.Any())
+	.Select(p => p.First())
+	.Aggregate((a, b) => new string(a.Zip(b.ToCharArray(), (u,v)=>(u==v?u:'_')).ToArray())  )
+	.Replace("_", "")
+	.Dump();