answer1.cs

answer1.cs

using System;
using System.Collections;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using System.Text;
using System.Threading.Tasks;

namespace OurSkyTestConsoleApp
{
	public class answer1
	{
		public void Run()
		{
			List<string> list = new List<string> { "Hi", "Hello", "HelloWorld", "HiWorld", "HelloWorldWideWeb", "HelloWWW" };
			//Output = "HelloWorldWideWeb"
			//List<string> list = new List<string> { "Oursky", "OurSky", "OurskyLimited", "OurskyHK", "SkymakersDigitalLTD", "SkymakersDigitalLtd" };
			//Output = "SkymakersDigitalLTD"
			ConcurrentBag<(string word, int count, int index)> finalResult = new ConcurrentBag<(string word, int count, int index)>();
			Parallel.ForEach(list, (x, state, index) =>
			{
				var result = Check(list, (int)index, x);
				finalResult.Add(result);
			});
			var items = from i in finalResult.OrderByDescending(x => x.count).ThenByDescending(x => x.word.Length).ThenBy(x => x.index)
						select i;
			foreach (var item in items)
			{
				Console.WriteLine($"{item.index},{item.word}: {item.count}");
			}
		}

		public (string word, int count, int index) Check(List<string> input, int index, string word)
		{
			(string word, int count, int index) result = (word, 0, index);

			foreach (string item in input)
			{
				if (item == word)
				{
					continue;
				}
				if (word.Contains(item))
				{
					result.count += 1;
				}
			}

			return result;
		}
	}
}