using System; using System.Collections.Generic; using System.Linq; using System.Text; public class MainClass { public static void Main() { int[] numbers = { 5, 4, 1, 3, 9}; var numsInPlace = numbers.Select((num, index) => new { Num = num, InPlace = (num == index) }); foreach (var n in numsInPlace) { Console.WriteLine("{0}: {1}", n.Num, n.InPlace); } } }