using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Diagnostics;

namespace ParallelLinq
{
    class Program
    {
        static void Main(string[] args)
        {
            var ec = new Stopwatch();
            var oneDimensionalArray = new List<int>();
            var twoDimensionalArray = new List<int[2]>();
            var r = new Random();
            for (int i = 0; i < 90000000; i++)
            {

                oneDimensionalArray.Add(r.Next(1, 90000000));
                twoDimensionalArray.Add(new int[]{
                   r.Next(1,900000),
                   r.Next(1,900000)
               });
            }

            Console.WriteLine("Type for which number are we searching: ");
            var input = Console.ReadLine();
            var searchNumber = Int32.Parse(input);

            ec.Start();
            try
            {
                var resultParallel = oneDimensionalArray.AsParallel().Where(x => x == searchNumber).First();           
                ec.Stop();
                Console.WriteLine("Number was found it took {1}, using parallel", resultParallel, ec.Elapsed);
            }
            catch(Exception)
            {
                ec.Stop();
                Console.WriteLine("Number wasnt found it took {0}",ec.Elapsed);
            }
   
            ec.Restart();
            try
            {
                var resultSeq = oneDimensionalArray.Where(x => x == searchNumber).First();
                ec.Stop();
                Console.WriteLine("Number was found it took {1}, using seq", resultSeq, ec.Elapsed);
            }
            catch (Exception)
            {
                ec.Stop();
                Console.WriteLine("Number wasnt found, it took",ec.Elapsed);
            }
        }
    }
}