using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

​

public class Program

{

    public static void Main()

    {

        // Given a list of characters, output the number of duplicate characters

        // Duplicates are case-sensitive

        // All input will always have at least one value and are characters are a..z and A..Z

        // Fill in the function GetDupes below

        // Examples:

        // abA = 0

        // bab = 1

        // BBcc = 2

​

        var testCases = GetTestCases();

        foreach (var tc in testCases)

        {

            tc.SumbitAnswer = GetDupes(tc.TestCaseString);

            var rightWrong = "Wrong";

            if (tc.SumbitAnswer == tc.RightAnswer) {

                rightWrong = "Right";

            }

            Console.WriteLine(rightWrong + " -- TestCase: " + new string(tc.TestCaseString) + " Your Answer: " + tc.SumbitAnswer + " Right Answer: " + tc.RightAnswer);

        }

    }

    public static int GetDupes(char[] input) {

        // ******************************   Add Code Here

        return -1;        

    }

    public static List<TestCase> GetTestCases() {

        var returnVal = new List<TestCase>();

        var tc = new TestCase();

        tc.TestCaseString = "s".ToCharArray();

        tc.RightAnswer = 0;

        tc.SumbitAnswer = -1;

        returnVal.Add(tc);

        tc = new TestCase();

        tc.TestCaseString = "aba".ToCharArray();

        tc.RightAnswer = 1;

        tc.SumbitAnswer = -1;

        returnVal.Add(tc);

        tc = new TestCase();

        tc.TestCaseString = "abA".ToCharArray();

        tc.RightAnswer = 0;

        tc.SumbitAnswer = -1;

        returnVal.Add(tc);

        tc = new TestCase();

        tc.TestCaseString = "mrRnrRm".ToCharArray();

        tc.RightAnswer = 3;

        tc.SumbitAnswer = -1;

        returnVal.Add(tc);

        tc = new TestCase();

        tc.TestCaseString = "zzzopze".ToCharArray();

        tc.RightAnswer = 1;

        tc.SumbitAnswer = -1;

        returnVal.Add(tc);

        tc = new TestCase();

        tc.TestCaseString = "zZzZzZzZzZ".ToCharArray();

        tc.RightAnswer = 2;

        tc.SumbitAnswer = -1;

        returnVal.Add(tc);

        tc = new TestCase();

        tc.TestCaseString = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYz".ToCharArray();

        tc.RightAnswer = 1;

        tc.SumbitAnswer = -1;

        returnVal.Add(tc);

        return returnVal;

    }

​

    public class TestCase {

        public char[] TestCaseString { get; set; }

        public int SumbitAnswer { get; set; }

        public int RightAnswer { get; set; }

    }   

}

​

​