using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
namespace ConsoleApp15
{
internal class Program
{
static void Main(string[] args)
{
IEnumerable<int> fibonaccis = Fibonacci(10);
foreach (var f in fibonaccis)
{
Console.Write("{0} ", f);
}
IEnumerable<int> fibonaccis1 = FibonacciYield(10);
foreach (var f in fibonaccis1)
{
Console.Write("{0} ", f);
}
Console.ReadLine();
}
public static List<int> Fibonacci(int count)
{
int p = 1;
int c = 1;
List<int> result = new List<int>();
for (int i = 0; i < count; i++)
{
result.Add(p);
Thread.Sleep(500);
int temp = p + c;
p = c;
c = temp;
}
return result;
}
public static IEnumerable<int> FibonacciYield(int count)
{
int p = 1;
int c = 1;
for (int i = 0; i < count; i++)
{
yield return p;
Thread.Sleep(500);
int temp = p + c;
p = c;
c = temp;
}
}
}
}