wip

2015/README.md

@@ -6,7 +6,7 @@ Advent Of Code solutions for 2015 using C99. Builds and runs on macOS, Linux, an
 
 Be sure to clone the top project with its submodules:
 
-    git clone --recurse-submodules https://git.burkey.co/eburk/advent-of-code
+    git clone --recurse-submodules https://git.burkey.co/eburk/aoc
 
 This project relies on several BSD extensions to the stdlib. OpenBSD and macOS users should be able to build the project out of the box. Linux users will need `libbsd` installed. The package is called `libbsd-dev` on Debian-based systems.
 

2016/README.md

@@ -1,3 +1,3 @@
 # 2016
 
-Solutions in Go
+Go

2024/.gitignore

@@ -1,6 +0,0 @@
-bin/
-obj/
-/packages/
-riderModule.iml
-/_ReSharper.Caches/
-.idea

2024/01.odin

@@ -0,0 +1,42 @@
+package aoc
+
+import "core:fmt"
+import "core:math"
+import "core:sort"
+import "core:strconv"
+import "core:strings"
+
+day01 :: proc() {
+	input := slurp_lines("input/01")
+	defer delete(input)
+
+	left := make([dynamic]int, 0, len(input))
+	right := make([dynamic]int, 0, len(input))
+	for line in input {
+		sp := strings.split(line, "   ")
+		a, _ := strconv.parse_int(sp[0])
+		b, _ := strconv.parse_int(sp[1])
+		append(&left, a)
+		append(&right, b)
+		delete(sp)
+	}
+	sort.quick_sort(left[:])
+	sort.quick_sort(right[:])
+
+	p1: int
+	for i in 0 ..< len(left) {
+		p1 += math.abs(left[i] - right[i])
+	}
+	fmt.println(p1)
+
+	count: map[int]int
+	for r in right {
+		count[r] += 1
+	}
+
+	p2: int
+	for l in left {
+		p2 += l * count[l]
+	}
+	fmt.println(p2)
+}

2024/02.odin

@@ -0,0 +1,65 @@
+package aoc
+
+import "core:fmt"
+import "core:math"
+import "core:strconv"
+import "core:strings"
+
+day02 :: proc() {
+	input := slurp_lines("input/02")
+	defer delete(input)
+
+	p1: int
+	p2: int
+	for line in input {
+		sp := strings.split(line, " ")
+		report := make([dynamic]int, 0, len(sp))
+		for s in sp {
+			i, _ := strconv.parse_int(s)
+			append(&report, i)
+		}
+		if validate(report) {
+			p1 += 1
+		}
+
+		p2_valid := true
+		for i := 0; i < len(report); i += 1 {
+			cpy := make([dynamic]int, 0, len(report))
+			copy(cpy[:], report[:])
+			ordered_remove(&cpy, i)
+			if !validate(cpy) {
+				p2_valid = false
+				delete(cpy)
+				break
+			}
+			delete(cpy)
+		}
+		if p2_valid {
+			p2 += 1
+		}
+		delete(report)
+	}
+	fmt.println(p1)
+	fmt.println(p2)
+}
+
+validate :: proc(report: [dynamic]int) -> bool {
+	increasing := false
+	if report[0] < report[1] {
+		increasing = true
+	}
+
+	for i := 1; i < len(report); i += 1 {
+		if increasing && report[i - 1] > report[i] {
+			return false
+		}
+		if !increasing && report[i - 1] < report[i] {
+			return false
+		}
+		diff := math.abs(report[i - 1] - report[i])
+		if diff < 1 || diff > 3 {
+			return false
+		}
+	}
+	return true
+}

2024/03.odin

@@ -0,0 +1,11 @@
+package aoc
+
+import "core:fmt"
+import "core:log"
+import "core:os"
+
+day03 :: proc() {
+    input := slurp_lines("input/03")
+	defer delete(input)
+	fmt.println("Solution for Day 03 is not implemented yet")
+}

2024/04.odin

@@ -0,0 +1,11 @@
+package aoc
+
+import "core:fmt"
+import "core:log"
+import "core:os"
+
+day04 :: proc() {
+    input := slurp_lines("input/04")
+	defer delete(input)
+	fmt.println("Solution for Day 04 is not implemented yet")
+}

2024/05.odin

@@ -0,0 +1,11 @@
+package aoc
+
+import "core:fmt"
+import "core:log"
+import "core:os"
+
+day05 :: proc() {
+    input := slurp_lines("input/05")
+	defer delete(input)
+	fmt.println("Solution for Day 05 is not implemented yet")
+}

2024/06.odin

@@ -0,0 +1,11 @@
+package aoc
+
+import "core:fmt"
+import "core:log"
+import "core:os"
+
+day06 :: proc() {
+    input := slurp_lines("input/06")
+	defer delete(input)
+	fmt.println("Solution for Day 06 is not implemented yet")
+}

2024/07.odin

@@ -0,0 +1,11 @@
+package aoc
+
+import "core:fmt"
+import "core:log"
+import "core:os"
+
+day07 :: proc() {
+    input := slurp_lines("input/07")
+	defer delete(input)
+	fmt.println("Solution for Day 07 is not implemented yet")
+}

2024/08.odin

@@ -0,0 +1,11 @@
+package aoc
+
+import "core:fmt"
+import "core:log"
+import "core:os"
+
+day08 :: proc() {
+    input := slurp_lines("input/08")
+	defer delete(input)
+	fmt.println("Solution for Day 08 is not implemented yet")
+}

2024/09.odin

@@ -0,0 +1,11 @@
+package aoc
+
+import "core:fmt"
+import "core:log"
+import "core:os"
+
+day09 :: proc() {
+    input := slurp_lines("input/09")
+	defer delete(input)
+	fmt.println("Solution for Day 09 is not implemented yet")
+}

2024/10.odin

@@ -0,0 +1,11 @@
+package aoc
+
+import "core:fmt"
+import "core:log"
+import "core:os"
+
+day10 :: proc() {
+    input := slurp_lines("input/10")
+	defer delete(input)
+	fmt.println("Solution for Day 10 is not implemented yet")
+}

2024/11.odin

@@ -0,0 +1,11 @@
+package aoc
+
+import "core:fmt"
+import "core:log"
+import "core:os"
+
+day11 :: proc() {
+    input := slurp_lines("input/11")
+	defer delete(input)
+	fmt.println("Solution for Day 11 is not implemented yet")
+}

2024/12.odin

@@ -0,0 +1,11 @@
+package aoc
+
+import "core:fmt"
+import "core:log"
+import "core:os"
+
+day12 :: proc() {
+    input := slurp_lines("input/12")
+	defer delete(input)
+	fmt.println("Solution for Day 12 is not implemented yet")
+}

2024/13.odin

@@ -0,0 +1,11 @@
+package aoc
+
+import "core:fmt"
+import "core:log"
+import "core:os"
+
+day13 :: proc() {
+    input := slurp_lines("input/13")
+	defer delete(input)
+	fmt.println("Solution for Day 13 is not implemented yet")
+}

2024/14.odin

@@ -0,0 +1,11 @@
+package aoc
+
+import "core:fmt"
+import "core:log"
+import "core:os"
+
+day14 :: proc() {
+    input := slurp_lines("input/14")
+	defer delete(input)
+	fmt.println("Solution for Day 14 is not implemented yet")
+}

2024/15.odin

@@ -0,0 +1,11 @@
+package aoc
+
+import "core:fmt"
+import "core:log"
+import "core:os"
+
+day15 :: proc() {
+    input := slurp_lines("input/15")
+	defer delete(input)
+	fmt.println("Solution for Day 15 is not implemented yet")
+}

2024/16.odin

@@ -0,0 +1,11 @@
+package aoc
+
+import "core:fmt"
+import "core:log"
+import "core:os"
+
+day16 :: proc() {
+    input := slurp_lines("input/16")
+	defer delete(input)
+	fmt.println("Solution for Day 16 is not implemented yet")
+}

2024/17.odin

@@ -0,0 +1,11 @@
+package aoc
+
+import "core:fmt"
+import "core:log"
+import "core:os"
+
+day17 :: proc() {
+    input := slurp_lines("input/17")
+	defer delete(input)
+	fmt.println("Solution for Day 17 is not implemented yet")
+}

2024/18.odin

@@ -0,0 +1,11 @@
+package aoc
+
+import "core:fmt"
+import "core:log"
+import "core:os"
+
+day18 :: proc() {
+    input := slurp_lines("input/18")
+	defer delete(input)
+	fmt.println("Solution for Day 18 is not implemented yet")
+}

2024/19.odin

@@ -0,0 +1,11 @@
+package aoc
+
+import "core:fmt"
+import "core:log"
+import "core:os"
+
+day19 :: proc() {
+    input := slurp_lines("input/19")
+	defer delete(input)
+	fmt.println("Solution for Day 19 is not implemented yet")
+}

2024/20.odin

@@ -0,0 +1,11 @@
+package aoc
+
+import "core:fmt"
+import "core:log"
+import "core:os"
+
+day20 :: proc() {
+    input := slurp_lines("input/20")
+	defer delete(input)
+	fmt.println("Solution for Day 20 is not implemented yet")
+}

2024/2024.csproj

@@ -1,18 +0,0 @@
-<Project Sdk="Microsoft.NET.Sdk">
-
-    <PropertyGroup>
-        <OutputType>Exe</OutputType>
-        <TargetFramework>net9.0</TargetFramework>
-        <RootNamespace>_2024</RootNamespace>
-        <ImplicitUsings>enable</ImplicitUsings>
-        <Nullable>enable</Nullable>
-    </PropertyGroup>
-
-    <!-- Copy input files/folders to the output directory so File.ReadAllText("input/..") works at runtime -->
-    <ItemGroup>
-        <None Update="input/**">
-            <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
-        </None>
-    </ItemGroup>
-
-</Project>

2024/2024.sln

@@ -1,16 +0,0 @@
-
-Microsoft Visual Studio Solution File, Format Version 12.00
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "2024", "2024.csproj", "{F018A604-9FAE-421D-818D-5C6F7AB07FC4}"
-EndProject
-Global
-	GlobalSection(SolutionConfigurationPlatforms) = preSolution
-		Debug|Any CPU = Debug|Any CPU
-		Release|Any CPU = Release|Any CPU
-	EndGlobalSection
-	GlobalSection(ProjectConfigurationPlatforms) = postSolution
-		{F018A604-9FAE-421D-818D-5C6F7AB07FC4}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{F018A604-9FAE-421D-818D-5C6F7AB07FC4}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{F018A604-9FAE-421D-818D-5C6F7AB07FC4}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{F018A604-9FAE-421D-818D-5C6F7AB07FC4}.Release|Any CPU.Build.0 = Release|Any CPU
-	EndGlobalSection
-EndGlobal

2024/21.odin

@@ -0,0 +1,11 @@
+package aoc
+
+import "core:fmt"
+import "core:log"
+import "core:os"
+
+day21 :: proc() {
+    input := slurp_lines("input/21")
+	defer delete(input)
+	fmt.println("Solution for Day 21 is not implemented yet")
+}

2024/22.odin

@@ -0,0 +1,11 @@
+package aoc
+
+import "core:fmt"
+import "core:log"
+import "core:os"
+
+day22 :: proc() {
+    input := slurp_lines("input/22")
+	defer delete(input)
+	fmt.println("Solution for Day 22 is not implemented yet")
+}

2024/23.odin

@@ -0,0 +1,11 @@
+package aoc
+
+import "core:fmt"
+import "core:log"
+import "core:os"
+
+day23 :: proc() {
+    input := slurp_lines("input/23")
+	defer delete(input)
+	fmt.println("Solution for Day 23 is not implemented yet")
+}

2024/24.odin

@@ -0,0 +1,11 @@
+package aoc
+
+import "core:fmt"
+import "core:log"
+import "core:os"
+
+day24 :: proc() {
+    input := slurp_lines("input/24")
+	defer delete(input)
+	fmt.println("Solution for Day 24 is not implemented yet")
+}

2024/25.odin

@@ -0,0 +1,11 @@
+package aoc
+
+import "core:fmt"
+import "core:log"
+import "core:os"
+
+day25 :: proc() {
+    input := slurp_lines("input/25")
+	defer delete(input)
+	fmt.println("Solution for Day 25 is not implemented yet")
+}

2024/Day01.cs

@@ -1,34 +0,0 @@
-namespace _2024;
-
-public class Day01 : ISolution {
-    public void Run() {
-        // Read all lines from the input file
-        var lines = File.ReadAllLines("input/01");
-
-        // Two lists to hold the first and second integers per line
-        var left = new List<int>();
-        var right = new List<int>();
-
-        foreach (var line in lines) {
-            if (string.IsNullOrWhiteSpace(line)) continue;
-
-            var parts = line.Split(' ', StringSplitOptions.RemoveEmptyEntries);
-            if (parts.Length < 2) {
-                Console.WriteLine("Bad parse");
-                return;
-            }
-
-            if (int.TryParse(parts[0], out var a) && int.TryParse(parts[1], out var b)) {
-                left.Add(a);
-                right.Add(b);
-            }
-        }
-        
-        var leftSorted = left.OrderBy(x => x).ToList();
-        var rightSorted = right.OrderBy(x => x).ToList();
-        Console.WriteLine(leftSorted.Select((t, i) => Math.Abs(t - rightSorted[i])).Sum());
-
-        Console.WriteLine(left.Sum(i => right.Count(x => x == i) * i));
-    }
-}
-    

2024/Day02.cs

@@ -1,24 +0,0 @@
-namespace _2024;
-
-public class Day02 : ISolution
-{
-    public void Run()
-    {
-        var input = File.ReadAllText("input/02")
-            .Split('\n')
-            .Select(line => line.Split(' ')
-                .Select(int.Parse)
-                .ToList())
-            .ToList();
-
-        Console.WriteLine(PartOne(input));
-    }
-    
-    private static int PartOne(List<List<int>> list) {
-        return list.Select(line => Enumerable.Range(1, Math.Max(0, line.Count - 1))
-                .Select(i => line[i] - line[i - 1])
-                .ToList())
-            .Where(diffs => diffs.All(d => d > 0) || diffs.All(d => d < 0))
-            .Count(diffs => !diffs.Any(d => Math.Abs(d) is < 1 or > 3));
-    }
-}

2024/Day03.cs

@@ -1,10 +0,0 @@
-namespace _2024;
-
-public class Day03 : ISolution
-{
-    public void Run()
-    {
-        var _ = File.ReadAllText("input/03");
-        Console.WriteLine("The solution for day 03 is not implmented yet");
-    }
-}

2024/Day04.cs

@@ -1,10 +0,0 @@
-namespace _2024;
-
-public class Day04 : ISolution
-{
-    public void Run()
-    {
-        var _ = File.ReadAllText("input/04");
-        Console.WriteLine("The solution for day 04 is not implmented yet");
-    }
-}

2024/Day05.cs

@@ -1,10 +0,0 @@
-namespace _2024;
-
-public class Day05 : ISolution
-{
-    public void Run()
-    {
-        var _ = File.ReadAllText("input/05");
-        Console.WriteLine("The solution for day 05 is not implmented yet");
-    }
-}

2024/Day06.cs

@@ -1,10 +0,0 @@
-namespace _2024;
-
-public class Day06 : ISolution
-{
-    public void Run()
-    {
-        var _ = File.ReadAllText("input/06");
-        Console.WriteLine("The solution for day 06 is not implmented yet");
-    }
-}

2024/Day07.cs

@@ -1,10 +0,0 @@
-namespace _2024;
-
-public class Day07 : ISolution
-{
-    public void Run()
-    {
-        var _ = File.ReadAllText("input/07");
-        Console.WriteLine("The solution for day 07 is not implmented yet");
-    }
-}

2024/Day08.cs

@@ -1,10 +0,0 @@
-namespace _2024;
-
-public class Day08 : ISolution
-{
-    public void Run()
-    {
-        var _ = File.ReadAllText("input/08");
-        Console.WriteLine("The solution for day 08 is not implmented yet");
-    }
-}

2024/Day09.cs

@@ -1,10 +0,0 @@
-namespace _2024;
-
-public class Day09 : ISolution
-{
-    public void Run()
-    {
-        var _ = File.ReadAllText("input/09");
-        Console.WriteLine("The solution for day 09 is not implmented yet");
-    }
-}

2024/Day10.cs

@@ -1,10 +0,0 @@
-namespace _2024;
-
-public class Day10 : ISolution
-{
-    public void Run()
-    {
-        var _ = File.ReadAllText("input/10");
-        Console.WriteLine("The solution for day 10 is not implmented yet");
-    }
-}

2024/Day11.cs

@@ -1,10 +0,0 @@
-namespace _2024;
-
-public class Day11 : ISolution
-{
-    public void Run()
-    {
-        var _ = File.ReadAllText("input/11");
-        Console.WriteLine("The solution for day 11 is not implmented yet");
-    }
-}

2024/Day12.cs

@@ -1,10 +0,0 @@
-namespace _2024;
-
-public class Day12 : ISolution
-{
-    public void Run()
-    {
-        var _ = File.ReadAllText("input/12");
-        Console.WriteLine("The solution for day 12 is not implmented yet");
-    }
-}

2024/Day13.cs

@@ -1,10 +0,0 @@
-namespace _2024;
-
-public class Day13 : ISolution
-{
-    public void Run()
-    {
-        var _ = File.ReadAllText("input/13");
-        Console.WriteLine("The solution for day 13 is not implmented yet");
-    }
-}

2024/Day14.cs

@@ -1,10 +0,0 @@
-namespace _2024;
-
-public class Day14 : ISolution
-{
-    public void Run()
-    {
-        var _ = File.ReadAllText("input/14");
-        Console.WriteLine("The solution for day 14 is not implmented yet");
-    }
-}

2024/Day15.cs

@@ -1,10 +0,0 @@
-namespace _2024;
-
-public class Day15 : ISolution
-{
-    public void Run()
-    {
-        var _ = File.ReadAllText("input/15");
-        Console.WriteLine("The solution for day 15 is not implmented yet");
-    }
-}

2024/Day16.cs

@@ -1,10 +0,0 @@
-namespace _2024;
-
-public class Day16 : ISolution
-{
-    public void Run()
-    {
-        var _ = File.ReadAllText("input/16");
-        Console.WriteLine("The solution for day 16 is not implmented yet");
-    }
-}

2024/Day17.cs

@@ -1,10 +0,0 @@
-namespace _2024;
-
-public class Day17 : ISolution
-{
-    public void Run()
-    {
-        var _ = File.ReadAllText("input/17");
-        Console.WriteLine("The solution for day 17 is not implmented yet");
-    }
-}

2024/Day18.cs

@@ -1,10 +0,0 @@
-namespace _2024;
-
-public class Day18 : ISolution
-{
-    public void Run()
-    {
-        var _ = File.ReadAllText("input/18");
-        Console.WriteLine("The solution for day 18 is not implmented yet");
-    }
-}

2024/Day19.cs

@@ -1,10 +0,0 @@
-namespace _2024;
-
-public class Day19 : ISolution
-{
-    public void Run()
-    {
-        var _ = File.ReadAllText("input/19");
-        Console.WriteLine("The solution for day 19 is not implmented yet");
-    }
-}

2024/Day20.cs

@@ -1,10 +0,0 @@
-namespace _2024;
-
-public class Day20 : ISolution
-{
-    public void Run()
-    {
-        var _ = File.ReadAllText("input/20");
-        Console.WriteLine("The solution for day 20 is not implmented yet");
-    }
-}

2024/Day21.cs

@@ -1,10 +0,0 @@
-namespace _2024;
-
-public class Day21 : ISolution
-{
-    public void Run()
-    {
-        var _ = File.ReadAllText("input/21");
-        Console.WriteLine("The solution for day 21 is not implmented yet");
-    }
-}

2024/Day22.cs

@@ -1,10 +0,0 @@
-namespace _2024;
-
-public class Day22 : ISolution
-{
-    public void Run()
-    {
-        var _ = File.ReadAllText("input/22");
-        Console.WriteLine("The solution for day 22 is not implmented yet");
-    }
-}

2024/Day23.cs

@@ -1,10 +0,0 @@
-namespace _2024;
-
-public class Day23 : ISolution
-{
-    public void Run()
-    {
-        var _ = File.ReadAllText("input/23");
-        Console.WriteLine("The solution for day 23 is not implmented yet");
-    }
-}

2024/Day24.cs

@@ -1,10 +0,0 @@
-namespace _2024;
-
-public class Day24 : ISolution
-{
-    public void Run()
-    {
-        var _ = File.ReadAllText("input/24");
-        Console.WriteLine("The solution for day 24 is not implmented yet");
-    }
-}

2024/Day25.cs

@@ -1,10 +0,0 @@
-namespace _2024;
-
-public class Day25 : ISolution
-{
-    public void Run()
-    {
-        var _ = File.ReadAllText("input/25");
-        Console.WriteLine("The solution for day 25 is not implmented yet");
-    }
-}

2024/Program.cs

@@ -1,31 +0,0 @@
-using _2024;
-
-Console.Write("Enter a day: ");
-var input = Console.ReadLine();
-
-if (!int.TryParse(input, out var day)) {
-    Console.Error.WriteLine("Error: input is not a valid integer.");
-    Environment.Exit(1);
-}
-
-if (day is < 1 or > 25) {
-    Console.Error.WriteLine("Error: day must be between 1 and 25.");
-    Environment.Exit(1);
-}
-
-var dayStr = day.ToString();
-if (day < 10) {
-    dayStr = "0" + dayStr;
-}
-
-// Instantiate an ISolution named 's' based on the day, e.g., Day02 for day == 2, then run it
-var typeName = $"_2024.Day{dayStr}";
-var type = typeof(ISolution).Assembly.GetType(typeName);
-
-if (type is null || !typeof(ISolution).IsAssignableFrom(type)) {
-    Console.Error.WriteLine($"Error: could not find a solution class for day {dayStr}.");
-    Environment.Exit(1);
-}
-
-var s = (ISolution)Activator.CreateInstance(type)!;
-s.Run();

2024/README.md

@@ -1,3 +1,3 @@
 # 2024
 
-Solutions in C# using dotnet core 9
+Odin

2024/Solution.cs

@@ -1,5 +0,0 @@
-namespace _2024;
-
-public interface ISolution {
-    void Run();
-}

2024/aoc.odin

@@ -0,0 +1,22 @@
+package aoc
+
+import "core:log"
+import "core:os"
+import "core:strings"
+
+Pair :: struct($T: typeid) {
+	a: $T,
+	b: $T,
+}
+
+slurp_file :: proc(path: string) -> string {
+	input, ok := os.read_entire_file(path)
+	if !ok {
+		log.fatal("Failed to read input")
+	}
+	return string(input)
+}
+
+slurp_lines :: proc(path: string) -> []string {
+	return strings.split_lines(slurp_file(path))
+}

2024/main.odin

@@ -0,0 +1,46 @@
+package aoc
+
+import "core:strconv"
+import "core:fmt"
+import "core:os"
+
+main :: proc() {
+	buf := [4]u8{}
+    fmt.print("Enter a day between 1 and 25: ")
+    sz, err := os.read(os.stdin, buf[:])
+    if err != nil {
+        fmt.println(err)
+        panic("read failure")
+    }
+    
+    day, _ := strconv.parse_int(string(buf[:sz]))
+    
+    switch(day) {
+    case 1: day01()
+    case 2: day02()
+    case 3: day03()
+    case 4: day04()
+    case 5: day05()
+    case 6: day06()
+    case 7: day07()
+    case 8: day08()
+    case 9: day09()
+    case 10: day10()
+    case 11: day11()
+    case 12: day12()
+    case 13: day13()
+    case 14: day14()
+    case 15: day15()
+    case 16: day16()
+    case 17: day17()
+    case 18: day18()
+    case 19: day19()
+    case 20: day20()
+    case 21: day21()
+    case 22: day22()
+    case 23: day23()
+    case 24: day24()
+    case 25: day25()
+    }
+}
+

2025/.tool-versions

@@ -0,0 +1 @@
+ruby 3.4.7

2025/01.rb

@@ -0,0 +1,25 @@
+input = File.readlines('input/01')
+pos = 50
+p1 = 0
+p2 = 0
+
+input.each do |line|
+  dir = line[0]
+  n = line[1..].to_i
+  (1..n).each do
+    if dir == 'R'
+      pos = (pos - 1 + 100) % 100
+    else
+      pos = (pos + 1) % 100
+    end
+    if pos.zero?
+      p2 += 1
+    end
+  end
+  if pos.zero?
+    p1 += 1
+  end
+end
+
+puts p1
+puts p2

2025/02.rb

@@ -0,0 +1,30 @@
+def valid(str, p2)
+  (1..str.size / 2).each do |i|
+    sub = str[0, i]
+    return false if str[i..] == sub
+
+    if p2 && str.size > 2
+      chunks = str[i..].chars.each_slice(sub.size).map(&:join)
+      puts chunks
+    end
+  end
+  true
+end
+
+input = File.read('input/test').split(',')
+p1 = 0
+p2 = 0
+
+input.each do |line|
+  sp = line.split('-')
+  a = sp[0].to_i
+  b = sp[1].to_i
+
+  (a..b).each do |i|
+    p1 += i unless valid(i.to_s, false)
+    p2 += i unless valid(i.to_s, true)
+  end
+end
+
+puts p1
+puts p2

2025/README.md

@@ -0,0 +1,3 @@
+# 2025
+
+Ruby 3.4.7

2025/input/02

@@ -0,0 +1 @@
+9191896883-9191940271,457499-518693,4952-6512,960-1219,882220-1039699,2694-3465,3818-4790,166124487-166225167,759713819-759869448,4821434-4881387,7271-9983,1182154-1266413,810784-881078,802-958,1288-1491,45169-59445,25035-29864,379542-433637,287-398,75872077-75913335,653953-689335,168872-217692,91-113,475-590,592-770,310876-346156,2214325-2229214,85977-112721,51466993-51620441,8838997-8982991,534003-610353,32397-42770,17-27,68666227-68701396,1826294188-1826476065,1649-2195,141065204-141208529,7437352-7611438,10216-13989,33-44,1-16,49-74,60646-73921,701379-808878

README.md

@@ -20,6 +20,6 @@ Advent Of Code solutions using a different language each year
 
 2023: TBD
 
-2024: C#
+2024: Odin
 
-2025: TBD
+2025: Ruby