Fibonacci Series | C# Online Compiler

Fibonacci Series by DevilRK

using System;
					
public class Program
{
	public static void Main()
	{
		Console.Write("Enter a range: ");
		int range= Convert.ToInt32(Console.ReadLine());
		
		int num1=0;
		int num2=1;
		int num3;
		Console.WriteLine();
		Console.Write(num1+" "+num2+" ");
		
		while(range-3>=0)
		{
			num3=num1+num2;
			Console.Write(num3+" ");
			num1=num2;
			num2=num3;
			range--;
		}
		
	}
}

 
using System;
                    
public class Program
{
    public static void Main()
    {
        Console.Write("Enter a range: ");
        int range= Convert.ToInt32(Console.ReadLine());
        
        int num1=0;
        int num2=1;
        int num3;
        Console.WriteLine();
        Console.Write(num1+" "+num2+" ");
        
        while(range-3>=0)
        {
            num3=num1+num2;
            Console.Write(num3+" ");
            num1=num2;
            num2=num3;
            range--;
        }
        
    }
}

Compilation error (line 1, col 7): The type or namespace name 'UnityEngine' could not be found (are you missing a using directive or an assembly reference?)
Compilation error (line 7, col 30): The type or namespace name 'Vector3' could not be found (are you missing a using directive or an assembly reference?)
Compilation error (line 8, col 13): The type or namespace name 'Vector3' could not be found (are you missing a using directive or an assembly reference?)
Compilation error (line 9, col 13): The type or namespace name 'Vector3' could not be found (are you missing a using directive or an assembly reference?)
Compilation error (line 10, col 13): The type or namespace name 'Vector3' could not be found (are you missing a using directive or an assembly reference?)
Compilation error (line 5, col 3): The type or namespace name 'SerializeField' could not be found (are you missing a using directive or an assembly reference?)
Compilation error (line 5, col 3): The type or namespace name 'SerializeFieldAttribute' could not be found (are you missing a using directive or an assembly reference?)
Compilation error (line 7, col 6): The type or namespace name 'SerializeField' could not be found (are you missing a using directive or an assembly reference?)
Compilation error (line 7, col 6): The type or namespace name 'SerializeFieldAttribute' could not be found (are you missing a using directive or an assembly reference?)

Last Run:	11:00:39 am
Compile:	0s
Execute:	0.088s
Memory:	0b
CPU:	0s

View IL Code