C# Online Compiler | .NET Fiddle

<no name> by Anonymous

using System;

public class Program
{
    public static void Main()
    {
        int n = 7;
        int result = even(n);
        Console.WriteLine(even(7));
    }

    public static int even(int n)
    {

        if (n < 2)
            return 0;


        if (n % 2 == 0)
            return n + even(n - 2);


        return even(n - 1);
    }
}

​x
 
using System;
​
public class Program
{
    public static void Main()
    {
        int n = 7;
        int result = even(n);
        Console.WriteLine(even(7));
    }
​
    public static int even(int n)
    {
​
        if (n < 2)
            return 0;
​
​
        if (n % 2 == 0)
            return n + even(n - 2);
​
​
        return even(n - 1);
    }
}

Compilation error (line 1, col 1): A namespace cannot directly contain members such as fields or methods
Compilation error (line 8, col 15): Expected class, delegate, enum, interface, or struct
Compilation error (line 26, col 8): Identifier expected
Compilation error (line 26, col 10): Expected class, delegate, enum, interface, or struct
Compilation error (line 26, col 21): Expected class, delegate, enum, interface, or struct
Compilation error (line 26, col 34): Expected class, delegate, enum, interface, or struct
Compilation error (line 48, col 51): Expected class, delegate, enum, interface, or struct
Compilation error (line 49, col 3): Type or namespace definition, or end-of-file expected

Last Run:	3:03:23 am
Compile:	0s
Execute:	0.03s
Memory:	0b
CPU:	0s

View IL Code