using System;

using System.Collections.Generic;

using System.Linq;

public class Program

{

    public static void Main()

    {

            int[] score = new int[]{100 ,90 ,90 ,80 ,75 ,60};

            List<int> newScore = new List<int>();

            int[] alice = new int[]{5 ,25 ,50 ,120};    

            IEnumerable<int> IEnumScore = score.Distinct<int>(); 

            foreach(var item in IEnumScore)

            {

                newScore.Add(item);

            }

            for(int i = 0; i < alice.Length;i++)

            {

                int rank = 0;

                for(int n = newScore.Count;n < 0; n--)

                {

                    Console.WriteLine(rank);

                    rank++;

                }

            }

​

    }

}