initial add to repository

2017_01/Program.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.IO;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
@@ -10,6 +11,76 @@ namespace _2017_01
     {
         static void Main(string[] args)
         {
+            var Indata = File.ReadAllText(@"I:\Adventofcode_171201\data171201.txt");
+            //var Indata = "1212";
+
+
+            MethodOne(Indata);
+            MethodTwo(Indata);
+
         }
+
+        private static void MethodOne(string Indata)
+        {
+            int value = 0;
+            char lastFig = ' ';
+            char firstFig = ' ';
+            foreach (var figure in Indata.ToCharArray())
+            {
+                if (lastFig == ' ')
+                {
+                    firstFig = figure;
+                }
+                if (figure == lastFig)
+                {
+                    value += int.Parse(figure.ToString());
+                }
+                lastFig = figure;
+            }
+
+            if (firstFig == lastFig)
+            {
+                value += int.Parse(lastFig.ToString());
+            }
+
+            System.Console.WriteLine("--Method 1--");
+            System.Console.WriteLine($"---{value}---");
+            System.Console.WriteLine("----------------");
+        }
+
+        private static void MethodTwo(string Indata)
+        {
+            int value = 0;
+         //   char lastFig = ' ';
+         //   char firstFig = ' ';
+            int locPos = 0;
+            char[] characters = Indata.ToCharArray();
+            foreach (var figure in characters)
+            {
+                if (figure == jmfChar(characters,locPos))
+                {
+                    value += int.Parse(figure.ToString());
+                }
+                locPos++;
+            }
+
+            System.Console.WriteLine("--Method 2--");
+            System.Console.WriteLine($"---{value}---");
+            System.Console.WriteLine("----------------");
+        }
+
+        private static char jmfChar(char[] ind, int pos)
+        {
+            char returnChr = ' ';
+            int chars = ind.Length / 2;
+            if (pos + chars > ind.Length - 1)
+            {
+                returnChr = ind[pos + chars - ind.Length];
+            }
+            else returnChr = ind[pos + chars ];
+
+            return returnChr;
+        }
+
     }
 }