Initial Commit

2023/Day03CSharp/Day03CSharp.csproj

@@ -0,0 +1,14 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net7.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\AdventCommon\AdventCommon.csproj" />
+  </ItemGroup>
+
+</Project>

2023/Day03CSharp/Program.cs

@@ -0,0 +1,156 @@
+using AdventCommon;
+using System.ComponentModel.DataAnnotations;
+using System.Numerics;
+
+var p1exampleSln = Part01("example-input.txt");
+var p1puzzleSln = Part01("puzzle-input.txt");
+
+Console.WriteLine("Part01 Example Sum: " + p1exampleSln);
+Console.WriteLine("Part01 Puzzle Sum: " + p1puzzleSln);
+
+var p2exampleSln = Part02("example-input.txt");
+var p2puzzleSln = Part02("puzzle-input.txt");
+
+Console.WriteLine("Part02 Example Sum: " + p2exampleSln);
+Console.WriteLine("Part02 Puzzle Sum: " + p2puzzleSln);
+
+int Part01(string fileName)
+{
+    var input = new Day03Input(fileName);
+
+    int sum = 0;
+    foreach (var num in input.Numbers)
+    {
+        bool foundAdjacent = false;
+
+        foreach (var s in input.Symbols)
+        {
+            if (Day03Input.Part.IsAdjacent(num, s))
+            {
+                foundAdjacent = true;
+                break;
+            }
+        }
+
+        if (foundAdjacent)
+        {
+            sum += num.Value;
+        }
+    }
+
+    return sum;
+}
+
+int Part02(string fileName)
+{
+    var input = new Day03Input(fileName);
+
+    int sum = 0;
+    
+    foreach (var symbol in input.Symbols.Where(x => x.S == '*'))
+    {
+        List<Day03Input.Number> adjacentNums = new List<Day03Input.Number>();
+
+        foreach (var num in input.Numbers)
+        {
+            if (Day03Input.Part.IsAdjacent(num, symbol))
+            {
+                adjacentNums.Add(num);
+            }
+        }
+
+        if (adjacentNums.Count == 2)
+        {
+            sum += adjacentNums[0].Value * adjacentNums[1].Value;
+        }
+    }
+
+    return sum;
+}
+
+class Day03Input : PuzzleInput
+{
+    public abstract class Part
+    {
+        public Part(int x, int y, int length)
+        {
+            Coords = new Vector2(x, y);
+            Length = length;
+        }
+
+        public Vector2 Coords { get; set; }
+        public float X { get { return Coords.X; } }
+        public float Y { get { return Coords.Y; } }
+        public int Length { get; private set; }
+        
+        public static bool IsAdjacent(Part left, Part right)
+        {
+            for (int i = 0; i < left.Length; i++)
+            {
+                for (int j = 0; j < right.Length; j++)
+                {
+                    var l = new Vector2(left.X + i, left.Y);
+                    var r = new Vector2(right.X + j, right.Y);
+
+                    if (Vector2.Subtract(l, r).Length() < 2)
+                        return true;
+                }
+            }
+
+            return false;
+        }
+    }
+
+    public class Number : Part
+    {
+        public Number(int x, int y, int value, int length) : base(x,y,length)
+        {
+            Value = value;
+        }
+
+        public int Value { get; private set; }
+    }
+
+    public class Symbol : Part
+    {
+        public Symbol(int x, int y, char s) : base(x,y,1)
+        {
+            S = s;
+        }
+
+        public char S { get; private set; }
+    }
+
+    public Day03Input(string fileName) : base(fileName)
+    {
+        for (int j = 0; j < Lines.Count; j++)
+        {
+            for (int i = 0; i < Lines[j].Length; i++)
+            {
+                if (Char.IsDigit(Lines[j][i]))
+                {
+                    string num = "";
+                    for (int sub = i; sub < Lines[j].Length && Char.IsDigit(Lines[j][sub]); sub++)
+                    {
+                        num += Lines[j][sub];
+                    }
+                    int val = Int32.Parse(num);
+
+                    var n = new Number(i, j, val, num.Length);
+                    Numbers.Add(n);
+
+                    // Skip remaining characters in the number
+                    for (int upper = i + n.Length - 1; i < upper; i++) ;
+                }
+                else if (!Char.IsLetterOrDigit(Lines[j][i]) && Lines[j][i] != '.')
+                {
+                    var v = new Symbol(i, j, Lines[j][i]);
+                    Symbols.Add(v);
+                }
+            }
+        }
+    }
+
+    public List<Number> Numbers { get; set; } = new List<Number>();
+    public List<Symbol> Symbols { get; set; } = new List<Symbol>();
+}

2023/Day03CSharp/Properties/launchSettings.json

@@ -0,0 +1,8 @@
+{
+  "profiles": {
+    "Day03CSharp": {
+      "commandName": "Project",
+      "workingDirectory": "C:\\dev\\DevSandbox\\AdventOfCode\\2023\\Day03CSharp"
+    }
+  }
+}

2023/Day03CSharp/example-input.txt

@@ -0,0 +1,10 @@
+467..114..
+...*......
+..35..633.
+......#...
+617*......
+.....+.58.
+..592.....
+......755.
+...$.*....
+.664.598..

2023/Day03CSharp/puzzle-input.txt

@@ -0,0 +1,140 @@
+....411...............838......721.....44..............................................607..................................................
+...&......519..................*..........#.97.........994..............404..............*...&43........440...882.......673.505.............
+.....*......*...892.........971...%....131....*..........*.......515...$.......157.....412.............-.....*.............*............594.
+..856.495....13...-...............602..........36...$.985....341*.........88.....*.921....................122..................806..508.....
+......................667.325*734.................718...............284..*....288..*....620.......854.............643....817....*...........
+....*480..825..........*....................784.......&.............*...859........856.*..........*...........................137...........
+............*..903*986.681....403.....451...*.....424..24.855....844....................826.......202....-.........542%..564......@.212*....
+......735...70.............=.....*895.......575.....*......*.............490.........+.......114.......890....519...........*857.88.....761.
+.......%..........#.#.....896.....................600.821@..565.............*390..664........@...292@..................%....................
+....$...........256..340.........851..............................476..................................210..............102.................
+....758..........................*......=.............@................................273......911...#....@666...+193......................
+.............604....483..&144.859......807...-.........995..-218.770............37.512.*.........*.........................215...........117
+......354..........*...............$........849.*.................................*.....242....469.&764.........................959*128.$...
+.........&........575..521#..30..812..89.........836....../..........116............385....................942$..739....*46.................
+..912*.......*845..........................................338..165.#....995.160......*....882.......421..........-..697.......619..........
+......154..........................700...........................*....$.........*710..923....=.........*....................................
+...................616..328........*......184..........227..401.635...264.=16....................-.....659....................613.....526...
+.............33.......+.-........63..........#..........*..*.....................@............647..................352/.........*......*....
+...107.......+............=318.................&862..210....588...703.........754.......151...................747.......260.....201..458....
+...*..................................&671.........................................473......812..391.........&......249.....................
+....13...................709.21..876....................-..52.........965.527*814...................*...*63...........*...75.400.....*619...
+.............713.-...319*......$......................215.*.............*................@........407.67..............802.+.....*.466.......
+.............*...230.............997......................80.526..3.811.541..753.........642......................212........119........+738
+....197.....6......................=..618.....39.364.........+....*./........*................217*......443*703......*......................
+......*.................240...........#......*....*............378............156.................763.............444....94...86......../273
+.....866..&.........273*..................970.....673.....&........*359.............*565..147.............238...........+....&..............
+.........690.761...........*985.......%...................691...587........../...663..................%....$......34................336.....
+.......#...../....951+...75........708.......411..939..85.............189...143....................301..-......=..@......-......596.........
+......406.....................+............+.........*...*..55.974%.......................203..179.......917..399.........451...............
+....................177......220...........500......111.46.........................413....*.....*................................/..........
+500............+....../.167-....................959.............231..................=..192...........334.....781.....&..........122..151...
+...*............969..........+878..136.../........*.#.............*.&...........226......................*...*......855..296..........%.....
+....421...611............448.........*....490..631...16........200..328........*..................51..272.....525..........*................
+............@........@......=.....719.....................................57..46.............................................*844.....305...
+.....868..............887.....@...........-..........@........964.........*..........-859.................#...............189..........@....
+.....*.......804...............132..688....420.740.868.609......*....849...70..972.........991.....799.....43......574@.....................
+935...99.530....*......................@.........................243..*............675.345*..........#.............................@........
+...........*.724...........645....114$....364......154.....989/......440.............=..........................275.......594......788......
+........756................................*.....................+........................187...504............./...../......*832...........
+374................*.......586.......656..239....................40.........................*....*.......334*.........580...................
+...*..............780..715......680...*..............490*...+715......648..........875.....735....359.......................................
+563........662...................*..260.....896.357....................#.......407*....................................520.382.59.491.......
+......204.*....................947.........../..*..............%.........................506.../..#..269#..*...........*.........*..........
+.......*..150............355...................371...430.....155.107...............322....+..137.303......424..772......33..................
+778...871.......*769.290*..........&..............................*................./.........................*...................743.153...
+.............140............938..763..........3...............443..510....868...579.....577/....264............572.........#........*...$...
+........*238...................#......417....=.......&....337..&.........#...........*.......................$.............125......153.....
+.970$...........695..57..540........%..*..........930........*.............754%......156...560*305..567..78..149.974........................
+..........@...........+...*........891.531....848......105....911....................................*...*........*.....825.................
+..........573..525..&....958.777...............*..........*...........883....=....%.........158.....530..839....803............254*688......
+..................*..560.............&......592.........159......743.......209.....735......*.......................237.....................
+................15..................54.665........858..............*....93...................438.239*825.......284.....*.....565*684........
+......732..............574.690..........@.....471....*....@.......157....*............692.....................*........495..................
+...$.*.....320..9..........@......*576..........*........196..........738.................47......%955...80...983..505...............249....
+.468.541.........%.............134...............974..............=................424........533..........*..........*...727...............
+..........$.................51...............193.....824....#....170...667*107.200..*...380...+........=.302.440#....791...-.........394@...
+....*....331.+662....540*............445......*..........27..742................*..972....*..........255......................762...........
+...770...........................301*....947.673.....164............../353...228.......237...................&246....431%.942*........21....
+........................................................*809..79..................#178.......409...@.....263......................285.......
+114.................233.894......998....663.....65.830..........*...457............................598......*............554.....-..........
+.......740......204....*.........*.....=..........*....655...803.......................................&....957...........*.........514.....
+...151*...........................438.......*208..........@................644.....294..531........58...241.....&949....612...511..%........
+..................534@........=.......*..494........569.......#........245.....980..*......*.......*.........................-..............
+....$267.972............@......308...366...........*...../.....883....*.....-.../..784.....954.232.224.........121..................293.....
+..........@..........409...........................487....540......699.....756.................*.........437-.=.......@.......#......@......
+....957.........471.........795.#514.268.....443........................................=532..217....................171.144...246..........
+....*....59.642...@...........=......*...694...................*..........594..308..................933.........39........=...........*.....
+.....393..*....%.........479.......305..*...................593.789.........*.....*.......78.@211.....&.....................866......116....
+.531..................%.../....911.....763..453..291.................+684..917..93....365..*.......48.........*834...545...#................
+....*280....-919...365.............115.........*....=.......................................213...../......120..........*............+......
+803.......................788........&.........764.....................*895.315........402......................824.....949....679..243.....
+..........176.............*...............908$..................882.859...................*....586.......#404.-...=............-............
+..366.......*..37*840.....66.........189............*....368*.....-.....391......803.....512.......478........294.....................978...
+...........977.............................388....932........759........*...........*........619...*......845.....78.247........441.........
+.........%.......................613....................355...........632.........................270.....*.......*.....*691.....%......$327
+.......797..........................*.........473..451.....*..846.@................474*.......@.......-....561..493.........................
+235.....................................880#...-...%....951.....*.490.507..............430....435.....370.............540..17.984..107......
+.....280..986...589.367......595.............................110........$.....325...................................+../..*...%......#......
+..........*...../......*........*949.......469.....#590.@......................*................912.......-.......269....818................
+..697.................106..315........./.................366..................795....614*800......%./666...396.........................798..
+....*.122.645....50.......*..........67..186.397.591.-.........353....201....................944............................&798......=.....
+..193.+....#.....*.......918...............*....*.....930.......*......*....41..388.....387...+......&.......869.505........................
+.........$....595............709........763.......365............649..705..........=....*......./.....32.....*.....*............609.404*....
+.......540...........189.......*..442.........623*......$...............................295..524............64.....436......426*........15..
+...........129...466.*.......513...*..................175.........824...820..........................460.......154..................962.....
+.................*......306=......307......=...-...........*........*......%....$............./344./.....811....$........817..........*.....
+.........$..923.118...........343........811.787.........329.......650.179....180..................648...%................=......157..656...
+........186.$.........995......#.........................................*...............-.....524..........................................
+..................682...%.........-...+...............411................20...659.........635.....$....*768..#.......986..269...............
+........=.....143.#...........@.118.769..134...........#..=....332#...........................107...140.......569............*.930&.........
+........92...$..............471...........*........485.....961..............15.............46*.............................820......838.649.
+...................353..............865....991.629....*................841...*........@....................../129........#.............*....
+......163.716.......*....123.892....*..............#.727..611.........*......236.498.36..434..762.........................438...5...........
+...............903.688..*....../..378............662.....#.....934....1..........-.........+.*....110.88........124.....................513.
+....550...299...........430.............*638.684...............*..........157................220.....*................751......336..647*....
+....*...../..........................946...........873*203.337.4.............*......553..........921....553.....743...............*.........
+....975.....*76................867............103............%.....603.....588.672*...#......728..*.....%......$......877...332*...903.+850.
+.........542....592....992.......*.............+.....801..........................................215.................%.....................
+.491...........*........*.................545.........*.....@..............33...233...782.....417..........%415.............%.........*119..
+.................../929..123........275.........409..494.251...............*.......*.....*830...*....709.........368......932......626......
+..47.837....926........................@.=864.....*.................482............972.........545..%....424......./..........990...........
+......*.......*.../354..........$................107.......377+.......-....................................*.................*....50*.......
+....351....177.........801....789...871......190..................&.........-408.292.....243..884........419.@936.795.......258......227....
+...............323+.....*.............-..508*.........@......$396..817............*..431....*.......*678.................................288
+...........*........+15...../..................=....144................*510.....177.....*....403.524.....&58.735....#........519..615%......
+........574.328..@........362..201*109..........816.................379...............84.........................312...........*.......212..
+................411....................550.................875.#.........172.....&...................133.799..................849..274*.....
+.....................890*942..........*................264.....361.444........189....817..812....333...*.*..................................
+...+430...............................................*............*......490.............*..........37...160..166.............%......*.....
+........532..............743&...595...217.............260...........740......*..4..453..89..%..304.............*...+........769........793..
+.........+..560..702=..............*..*......270..........-.527.717........675..=..........954...=......=398..9..916..............323.......
+....835.......*..........%...144..959........@.........419.........*251...............................*..................360..586*.....273..
+...............766.....113....*..................................#............68...............%...944.....390%...418.......%...........*...
+...................467.......548.....922.......125...792......44..65.....263*.....26....369...688.......................757...216*637..292..
+.....*309..347....*...................*...........*.....*.......-..................%...*.............815.571.............*..................
+..786.............473...807=..164......781......959......27..........28*.........................687*.....*.............259..............939
+....../........................&...333........................876.....................132..............=..396.....742+.............281......
+...210.....@............899........*......%.....873..24*167..*.....664.................%..465.........633................492.........*......
+...........639.........*........464......738......*..........766...&......396.775..151.......*375........./177..........*.....245.752.......
+.501.................@..43.527.................415...782...................*..*....*................*537........=331..37....................
+.......93.........723........*....882...............@.....186&......642..150.593...414.......117.718........851.............................
+...#.....*..................275.....#.503...23=.................145..*........................*.......645*.....+................33.310+..603
+537.........$..........#164...........&...........887.......562*......497....742............97...602......290...........................@...
+....../375...845....................................*.............510.............315*720......................./.......69*114.....968......
+...................153.662........276...795........356...............&...365..................................333....................*......
+.995.980..............*...........*....*................375.............$.......500............148...................*915........$..........
+...*.-........32............243...258.674...........+..#........................*...531....590*...........837.408.100..........609..296.....
+.532............*.690..734.....*...................828..........#............502...*.........................*..........&..........*........
+.............215.....*...*.....800...@.......690..........79....403..785..........363...................159..........383..322*99...561...867
+...384.613...............565..........106.....&.............%..........*..215.........-.....55*758.516.....#............................#...
+...../..*...986..539.425.........................682@.........719...880..*......135...119............................686.........988........
+.......373.......*.....*...508..862.................../862...*..........647......*..............638..............204...*..............808...
+................284...968....@....*..........382.438$.......561................709.59..............#...509.......*......234.......235*......
+........432.....................348...................714..........................%.....990.............*.....581..543......844............
+..580/.....*...............41...........384....243...*....................=...389*..........*140..-......683..........*.....................
+...................73.*242..+.............*........323..78........700..978........761.....%.......626...............93................@.....
+.567........945....*............199..........601*.........*........*...................800..365.............982.897..................962....
+.....1......*...$..468............*..............154.......626....662........606............*........337..@......*....121...707..945........
+..........568..818.............813..424@.............*642.............2......*...589.....678....963....*.342......162...=..=........#.......
+......114...............81........................767......................720......................260.....................................