using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
class Program
{
static void Main(string[] args)
{
var query = from m in typeof(Enumerable).GetMethods()
orderby m.Name
where m.DeclaringType == typeof(Enumerable)
group m by m.Name into g
orderby g.Count()
select new { Operator = g.Key, OverrideCount = g.Count() };
Console.WriteLine("Approximate operator count: {0}", query.Count());
foreach (var q in query)
{
Console.WriteLine(q);
}
}
}