Mmm

CSharp · Console

/Program.cs

using System;
					
public class Program
{
	public static TResult Timed<T1, /*T2, etc*/TResult>(out long duration, Func<T1, /*T2, etc*/TResult> func, T1 arg1/*T2 arg2, etc*/)
	{
		//start timing
		var t0 = DateTime.Now;
		var result = func(arg1);
		//end timing
		duration = (long)DateTime.Now.Subtract(t0).TotalMilliseconds;
		return result;
	}
		
	public int Factorial(int n)
	{
		return n > 0 ? n * Factorial(n - 1) : 1;
	}
	
	public int Fibonacci(int n)
	{
		return n > 1 ? Fibonacci(n - 2) + Fibonacci(n - 1) : n;
	}
	
	public static void Main()
	{
		var program = new Program();
		
		long duration;
		
		var _12bang = Timed(out duration, program.Factorial, 12);
		
		Console.WriteLine("{0}! = {1} in {2} ms", 12, _12bang, duration);
		
		var fib31 = Timed(out duration, program.Fibonacci, 31);
		
		Console.WriteLine("Fib {0} = {1} in {2} ms", 31, fib31, duration);
		
	}
}