Codewars - Tribonacci | C# Online Compiler

Codewars - Tribonacci by frontender

using System;

public class Program
{
	public static void Main()
	{
		Console.WriteLine("Hello World");
		double[] result = Tribonacci(new double[] { 1, 1, 1 }, 0);
		WriteOutTribonacci(result);
		double[] result2 = Tribonacci(new double[] { 0, 0, 1 }, 2);
		WriteOutTribonacci(result2);
		double[] result3 = Tribonacci(new double[] { 0, 1, 1 }, 10);
		WriteOutTribonacci(result3);
	}

	public static double[] Tribonacci(double[] signature, int n)
	{
		if (n == 0) return new double[0];

		double[] tribonacci = new double[n];
		Array.Copy(signature, tribonacci, 3 > n ? n : 3);
		for (int i = 3; i < n; i++)
		{
			tribonacci[i] = tribonacci[i - 1] + tribonacci[i - 2] + tribonacci[i - 3];
		}

		return tribonacci;
	}

	public static void WriteOutTribonacci(double[] result)
	{
		Console.Write('[');
		foreach (double number in result)
		{
			Console.Write(" {0}, ", number);
		}

		Console.Write(']');
	}
}

​x
 
using System;
​
public class Program
{
    public static void Main()
    {
        Console.WriteLine("Hello World");
        double[] result = Tribonacci(new double[] { 1, 1, 1 }, 0);
        WriteOutTribonacci(result);
        double[] result2 = Tribonacci(new double[] { 0, 0, 1 }, 2);
        WriteOutTribonacci(result2);
        double[] result3 = Tribonacci(new double[] { 0, 1, 1 }, 10);
        WriteOutTribonacci(result3);
    }
​
    public static double[] Tribonacci(double[] signature, int n)
    {
        if (n == 0) return new double[0];
​
        double[] tribonacci = new double[n];
        Array.Copy(signature, tribonacci, 3 > n ? n : 3);
        for (int i = 3; i < n; i++)
        {
            tribonacci[i] = tribonacci[i - 1] + tribonacci[i - 2] + tribonacci[i - 3];
        }
​
        return tribonacci;
    }
​
    public static void WriteOutTribonacci(double[] result)
    {
        Console.Write('[');
        foreach (double number in result)
        {
            Console.Write(" {0}, ", number);
        }
​
        Console.Write(']');
    }
}

Environment version: 4.0.30319.42000
Json.NET version: Newtonsoft.Json, Version=11.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed

Output List<KeyIdObject>:
[
  {
    "key": "Soccer",
    "T_id": 0,
    "Children": [
      {
        "key": "ClubA",
        "T_id": 1
      },
      {
        "key": "ClubB",
        "T_id": 2
      },
      {
        "key": "SubA",
        "T_id": 3,
        "Children": [
          {
            "key": "SubE",
            "T_id": 3
          }
        ]
      },
      {
        "key": "SubK",
        "T_id": 3
      }
    ]
  }
]

Input JSON:
{
   "Soccer":{
      "T_id":0,
      "T_state":"valid",
      "Clubs":{
         "ClubA":{
            "T_id":"1",
            "T_state":"Champs"
         },
         "ClubB":{
            "T_id":"2",
            "T_state":"Runnerups"
         }
      },
      "Subs":{
         "SubA":{
            "T_id":"3",
            "T_state":"Unfit",
            //this is nested key
            "SubE":{
               "T_id":"3",
               "T_state":"Unfit"
            }
         }
      },
      "Subs_Used":{
         "SubK":{
            "T_id":"3",
            "T_state":"Unfit"
         }
      }
      //many more nested n-levels
   }
}

Cached Result
Last Run:	5:17:48 am
Compile:	0.38s
Execute:	0.2s
Memory:	685.44kb
CPU:	0.359s

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