The Elegant Art of Programming

Introduction

To resume what's the point, the solution should solve a simple problem in the most "elegant" way by using LINQ.

Check the orginial tip to get the point of this alternative

Using the code 

Well, reading the following code should be straightforward :

List<double> myList = new List<double>();
myList.Add(1.0);
myList.Add(2.0);
myList.Add(1.0);
 
bool differs = (myList.Distinct().Count() > 1);
 
Console.WriteLine( "All numbers are " + (differs? "not": "") + " the same.");