README.md

@@ -1,3 +0,0 @@
-# Usage
-1. Change directory to chosen day
-2. `go run dayXX.go < input.txt`

day02/day2.go

@@ -1,144 +0,0 @@
-package main
-
-import (
-	"fmt"
-	"io"
-	"os"
-	"regexp"
-	"strconv"
-	"strings"
-)
-
-type Limitations struct {
-	red   int
-	blue  int
-	green int
-}
-
-type Draw struct {
-	red   int
-	blue  int
-	green int
-}
-
-type Game struct {
-	id    int
-	draws []Draw
-	meta  Meta
-}
-
-type Meta struct {
-	possible  bool
-	red_min   int
-	green_min int
-	blue_min  int
-}
-
-func readInput() string {
-	stdin, err := io.ReadAll(os.Stdin)
-
-	if err != nil {
-		panic(err)
-	}
-	str := string(stdin)
-	return str
-}
-
-func getColors(input string, color string) string {
-	rg := regexp.MustCompile(`[0-9]+ ` + regexp.QuoteMeta(color))
-	return rg.FindString(input)
-}
-
-func parseGameLine(line string, limits Limitations) Game {
-	splitted := strings.Split(line, ":")
-	draws_splitted := strings.Split(splitted[1], ";")
-	game_prefix := splitted[0]
-
-	id, _ := strconv.Atoi(strings.Split(game_prefix, " ")[1])
-	draws := []Draw{}
-	meta := Meta{}
-	red_min, green_min, blue_min := 0, 0, 0
-	meta.possible = true
-	for _, v := range draws_splitted {
-		red, _ := strconv.Atoi(strings.Split(getColors(v, "red"), " ")[0])
-		green, _ := strconv.Atoi(strings.Split(getColors(v, "green"), " ")[0])
-		blue, _ := strconv.Atoi(strings.Split(getColors(v, "blue"), " ")[0])
-		if (red > limits.red) || (green > limits.green) || (blue > limits.blue) {
-			meta.possible = false
-		}
-		if red_min < red {
-			red_min = red
-		}
-		if green_min < green {
-			green_min = green
-		}
-		if blue_min < blue {
-			blue_min = blue
-		}
-		draw := Draw{
-			red:   red,
-			blue:  blue,
-			green: green,
-		}
-		draws = append(draws, draw)
-	}
-	meta.blue_min = blue_min
-	meta.red_min = red_min
-	meta.green_min = green_min
-	game := Game{
-		id:    id,
-		draws: draws,
-		meta:  meta,
-	}
-
-	// fmt.Println(game)
-	return game
-}
-
-func part1(lines []string) {
-	limits := Limitations{
-		red:   12,
-		green: 13,
-		blue:  14,
-	}
-	var games []Game
-	sum_ids := 0
-	for _, l := range lines {
-		if len(l) == 0 {
-			continue
-		}
-		game := parseGameLine(l, limits)
-		if game.meta.possible {
-			games = append(games, game)
-			sum_ids += game.id
-		}
-	}
-
-	fmt.Println("Sum ids:", sum_ids)
-}
-
-func part2(lines []string) {
-	var games []Game
-
-	for _, l := range lines {
-		if len(l) == 0 {
-			continue
-		}
-		game := parseGameLine(l, Limitations{})
-		games = append(games, game)
-	}
-	sum := 0
-	for _, g := range games {
-		sum += (g.meta.red_min * g.meta.green_min * g.meta.blue_min)
-	}
-	fmt.Println(sum)
-}
-
-func main() {
-	input := readInput()
-	lines := strings.Split(input, "\n")
-	fmt.Println("---PART 1---")
-	part1(lines)
-	fmt.Println("---PART 2---")
-	part2(lines)
-}

day02/example.txt

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-Game 1: 3 blue, 4 red; 1 red, 2 green, 6 blue; 2 green
-Game 2: 1 blue, 2 green; 3 green, 4 blue, 1 red; 1 green, 1 blue
-Game 3: 8 green, 6 blue, 20 red; 5 blue, 4 red, 13 green; 5 green, 1 red
-Game 4: 1 green, 3 red, 6 blue; 3 green, 6 red; 3 green, 15 blue, 14 red
-Game 5: 6 red, 1 blue, 3 green; 2 blue, 1 red, 2 green

day_template/day.go

@@ -1,35 +0,0 @@
-package main
-
-import (
-	"fmt"
-	"io"
-	"os"
-	"strings"
-)
-
-func readInput() string {
-	stdin, err := io.ReadAll(os.Stdin)
-
-	if err != nil {
-		panic(err)
-	}
-	str := string(stdin)
-	return str
-}
-
-func part1(lines []string) {
-	fmt.Println("Part 1 not implemented")
-}
-
-func part2(lines []string) {
-	fmt.Println("Part 2 not implemented")
-}
-
-func main() {
-	input := readInput()
-	lines := strings.Split(input, "\n")
-	fmt.Println("---PART 1---")
-	part1(lines)
-	fmt.Println("---PART 2---")
-	part2(lines)
-}

go.work

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-go 1.21.5

new_day.sh

@@ -1,22 +0,0 @@
-#!/bin/sh
-# Code borrowed from https://github.com/Daste745/aoc-2023/blob/master/new_day.sh
-if [ -z "$1" ]
-then
-  cat << EOF
-Usage: new_day.sh <day_number>
-
-Example: new_day.sh 08
-EOF
-  exit 1
-fi
-
-day_number=$1
-if [ -d "day$day_number" ]
-then
-  echo "Day$day_number already exists"
-  exit 1
-fi
-
-mkdir -p ./day$day_number/
-cp -v ./day_template/day.go ./day$day_number/day$day_number.go
-