From aba86313665bc4fd380bcec01372484109bd028c Mon Sep 17 00:00:00 2001
From: Parnic <github@parnic.com>
Date: Wed, 21 Dec 2022 13:27:12 -0600
Subject: [PATCH] Reformat code, remove unnecessary function

---
 src/20.cs        | 22 +++-------------------
 src/Util/Math.cs | 14 ++++++++++----
 2 files changed, 13 insertions(+), 23 deletions(-)

diff --git a/src/20.cs b/src/20.cs
index 14e247b..6982ba8 100644
--- a/src/20.cs
+++ b/src/20.cs
@@ -2,28 +2,12 @@
 
 internal class Day20 : Day
 {
-    private List<(int num, int origIdx)> nums = new();
+    private readonly List<(long num, int origIdx)> nums = new();
     internal override void Parse()
     {
         foreach (var line in Util.Parsing.ReadAllLines("20"))
         {
-            nums.Add((int.Parse(line), nums.Count));
-        }
-    }
-
-    private static void mix(List<(int num, int origIdx)> mixedNums, IList<(int num, int origIdx)> origNums)
-    {
-        for (int i = 0; i < origNums.Count; i++)
-        {
-            if (origNums[i].num == 0)
-            {
-                continue;
-            }
-
-            var idx = mixedNums.FindIndex(n => n.origIdx == origNums[i].origIdx);
-            mixedNums.RemoveAt(idx);
-            var newIdx = Util.Math.Modulo(idx + origNums[i].num, mixedNums.Count);
-            mixedNums.Insert((int)newIdx, origNums[i]);
+            nums.Add((long.Parse(line), nums.Count));
         }
     }
 
@@ -45,7 +29,7 @@ internal class Day20 : Day
 
     internal override string Part1()
     {
-        var mixedNums = new List<(int num, int origIdx)>(nums);
+        var mixedNums = new List<(long num, int origIdx)>(nums);
         mix(mixedNums, nums);
 
         var zeroIdx = mixedNums.FindIndex(n => n.num == 0);
diff --git a/src/Util/Math.cs b/src/Util/Math.cs
index b73ee88..aedfe15 100644
--- a/src/Util/Math.cs
+++ b/src/Util/Math.cs
@@ -44,18 +44,24 @@ public static class Math
         return (a * b) / GCD(a, b);
     }
 
-    public static long Modulo(long numer, long denom) {
+    public static long Modulo(long numer, long denom)
+    {
         // long q = numer / denom;
         long r = numer % denom;
-        if (r < 0) {
-            if (denom > 0) {
+        if (r < 0)
+        {
+            if (denom > 0)
+            {
                 // q = q - 1;
                 r = r + denom;
-            } else {
+            }
+            else
+            {
                 // q = q + 1;
                 r = r - denom;
             }
         }
+
         return r;
     }
 }
\ No newline at end of file