using System.Collections.Generic;
namespace SubarrayValidation
public static bool SubarrayValidation(List<int> array, List<int> sequence)
for (int i = 0; i < sequence.Count; i++)
if (!array.Contains(sequence[i]))
static void Main(string[] args)
List<int> array = new List<int>() { 5, 1, 22, 25, 6, -1, 8, 10 };
List<int> sequence = new List<int>() { 1, 6, -1, 10 };
if (SubarrayValidation(array, sequence))
Console.WriteLine("Array is a subarray.");
Console.WriteLine(" Array isn't a subarray..");