ON LINQ

IOI'94 - Day 1 - Problem 1: The Triangle

IOI'94 - Day 1 - Problem 2: The Castle

IOI'94 - Day 1 - Problem 3: The Primes

IOI'94 - Day 2 - Problem 1: The Clocks

IOI'94 - Day 2 - Problem 2: The Buses



LINQ to Objects
LINQ to XML
LINQ to DataSet
LINQ to SQL = IQueryable<T> API that allows LINQ queries to work with SQL Server database. add reference to System.Data.Linq.dll  and  using System.Data.Linq; 
LINQ to Entitiesvv