# HG changeset patch
# User Quintillus
# Date 1639640955 18000
# Thu Dec 16 02:49:15 2021 -0500
# Node ID 06338e637c02581b6ac81bfe9589b8d183314ccd
# Parent 41361f62dbe23b5df37d3e6d0922e9c8118c1ecd
Day 3 Silver.
Switched to C#, and wrote it in vim. I see that it totally messed up the indentation
with a mix of spaces and tabs, looked normal in vim though.
The code itself ain't too bad. Bit operations are about the same in C# versus Java versus C.
diff --git a/.hgignore b/.hgignore
--- a/.hgignore
+++ b/.hgignore
@@ -1,1 +1,7 @@
-\.class$
\ No newline at end of file
+\.class$
+^Java/target/*$
+^CSharp/bin/*$
+^CSharp/obj/*$
+
+syntax: glob
+
diff --git a/CSharp/CSharp.csproj b/CSharp/CSharp.csproj
new file mode 100644
--- /dev/null
+++ b/CSharp/CSharp.csproj
@@ -0,0 +1,8 @@
+
+
+
+ Exe
+ net5.0
+
+
+
diff --git a/CSharp/Program.cs b/CSharp/Program.cs
new file mode 100644
--- /dev/null
+++ b/CSharp/Program.cs
@@ -0,0 +1,58 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace CSharp
+{
+ class Program
+ {
+ static void Main(string[] args)
+ {
+ dayThreeSilver("sampleData.txt", 5);
+ dayThreeSilver("day3Data.txt", 12);
+ }
+
+ static void dayThreeSilver(string filename, int bits) {
+ Console.WriteLine("Hello World!");
+
+ string[] lines = System.IO.File.ReadAllLines(filename);
+
+ List ints = new List();
+
+ foreach (string line in lines) {
+ ints.Add(Convert.ToInt32(line, 2));
+ }
+
+
+ //Working right-to-left
+ int gamma = 0;
+ int epsilon = 0;
+ for (int b = 0; b < bits; b++) {
+ int ones = 0;
+ int zeros = 0;
+ foreach (int number in ints) {
+ int shifted = number >> b;
+ if ((shifted & 1) == 1) {
+ ones++;
+ }
+ else {
+ zeros++;
+ }
+ }
+ if (ones > zeros) {
+ gamma = gamma | 1 << b;
+ }
+ else {
+ epsilon = epsilon | 1 << b;
+ }
+ }
+
+ Console.WriteLine("The gamma rate is " + gamma);
+ Console.WriteLine("The epsilon rate is " + epsilon);
+
+ int powerLevel = gamma * epsilon;
+
+ Console.WriteLine("The power level is " + powerLevel);
+ }
+ }
+}
diff --git a/CSharp/day3Data.txt b/CSharp/day3Data.txt
new file mode 100644
--- /dev/null
+++ b/CSharp/day3Data.txt
@@ -0,0 +1,1000 @@
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\ No newline at end of file
diff --git a/CSharp/sampleData.txt b/CSharp/sampleData.txt
new file mode 100644
--- /dev/null
+++ b/CSharp/sampleData.txt
@@ -0,0 +1,12 @@
+00100
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\ No newline at end of file