static void MainMethod()
{
Stopwatch stopWatch = new Stopwatch();
Console.WriteLine("Select a function from the list and enter the corresponding number:");
Console.WriteLine("1 - Find the Fibonacci number with recursion");
Console.WriteLine("2 - Find the Fibonacci number without recursion");
Console.WriteLine("3 - Creating a graph using recursion");
if (int.TryParse(Console.ReadLine(), out int num) && num > 0 && num < 4)
{
if (num == 1 || num == 2)
{
int a = 0;
Console.WriteLine("Enter the number n");
if (int.TryParse(Console.ReadLine(), out int num2))
{
if (num == 1)
{
stopWatch.Start();
a = fib(num2);
stopWatch.Stop();
}
else if (num == 2)
{
stopWatch.Start();
a = fib_n(num2);
stopWatch.Stop();
}
Console.WriteLine(string.Format("Fibonacci number of order {0} = {1}" + '\n' + "Time taken: {2} ms", num2, a, stopWatch.Elapsed.TotalMilliseconds));
}
}
else if (num == 3)
{
Console.WriteLine("Enter chart depth");
int.TryParse(Console.ReadLine(), out int deep);
Console.WriteLine("Enter the number of children");
int.TryParse(Console.ReadLine(), out int children);
Class1 temp = new Class1();
temp.CreateGraph(deep, children);
}
else
{
Console.WriteLine("You entered an invalid value, try again");
}
}
else
{
Console.WriteLine("You entered an invalid value, try again");
}
}
