csharpinterviewprep/Program.cs at master · onadebi/csharpinterviewprep · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
namespace Grouping;
using csharpinterviewprep.LinkeredLists;
partial class Program
{


    public static void Main(string[] args)
    {
       #region LeetCode
       //TODO: SumTwo
       Console.WriteLine(LeetCode.TwoSum.GetSums(new int[]{3,2,4}, 6));
       #endregion

       //Comment out below unneeded region blocks when you need to test specific test cases
       #region FizzBuzz
       CSharp.FizzBuzzer.FizzBuzz.fizzBuzzed(15);
       #endregion

       #region SockMerchant
       Program.sockMerchant(7);
       #endregion

       #region  Repeated String
       RepeatingLetter.RepeatedString("ababa", 3);
       #endregion

       #region Least Path jumping clouds
       LeastPath.JumpingClouds.CloudLeastPath(new List<int>{0, 0, 1 ,0 ,0, 1 ,0});
       #endregion

    }
    // public static void Main(string[] args)
    // {
    //     Console.WriteLine("Hellow");
    // }

    // Sock Merchant color pairing
    public static int sockMerchant(int n)
    {
        #region Linker
        MyList lister = new MyList();
        lister.Add("1");
        lister.Add("2");
        lister.Add("3");
        lister.Add("4");
        lister.Add("5");
        lister.Print();
        //lister.Add("New Item");
        #endregion


        List<int> ar = new List<int>() { 1, 2, 1, 2, 1, 3, 2, 5, 5, 5, 3, 2, 1 };
        var values = ar.GroupBy(q => q).Where(q => q.Count() >= 2).ToDictionary(m => m.Key, m => m.Count());
        List<int> countPairs = new List<int>();
        int countResult = 0;
        if (values.Any())
        {
            foreach (KeyValuePair<int, int> i in values)
            {
                Console.WriteLine(i);
                countResult += i.Value / 2;
            }
        }
        Console.WriteLine(countResult);
        return countResult;
    }

}