From db32ffa3156994b3e7d864b579a934628d22cb8c Mon Sep 17 00:00:00 2001 From: Giovanni Harting <539@idlegandalf.com> Date: Sat, 2 Dec 2023 16:36:49 +0100 Subject: [PATCH] day 02 --- input.txt => 01/input.txt | 0 01/main.go | 4 +- 02/go.mod | 2 + 02/go.sum | 2 + 02/input.txt | 100 +++++++++++++++++++++++++++++++ 02/main.go | 121 +++++++++++++++++++------------------- 02/test_input.txt | 5 ++ 7 files changed, 173 insertions(+), 61 deletions(-) rename input.txt => 01/input.txt (100%) create mode 100644 02/go.sum create mode 100644 02/input.txt create mode 100644 02/test_input.txt diff --git a/input.txt b/01/input.txt similarity index 100% rename from input.txt rename to 01/input.txt diff --git a/01/main.go b/01/main.go index f8b4eb7..e618236 100644 --- a/01/main.go +++ b/01/main.go @@ -71,10 +71,10 @@ func main() { // find single digits in backward-replaced line lastMatch := nRegex.FindAllStringSubmatch(backwardReplacedLine, -1) - // get first matchgroup, first match (aka first digit in forwardReplacedLine) + // get first match, first matchgroup (aka first digit in forwardReplacedLine) first := firstMatch[0][0] - // get last matchgroup, first match (aka last digit in backwardReplacedLine) + // get last match, first matchgroup (aka last digit in backwardReplacedLine) last := lastMatch[len(lastMatch)-1:][0][0] fmt.Println(first + last) diff --git a/02/go.mod b/02/go.mod index 16992bc..48546b3 100644 --- a/02/go.mod +++ b/02/go.mod @@ -1,3 +1,5 @@ module adventofcode go 1.21 + +require github.com/kylelemons/godebug v1.1.0 // indirect diff --git a/02/go.sum b/02/go.sum new file mode 100644 index 0000000..d96eb96 --- /dev/null +++ b/02/go.sum @@ -0,0 +1,2 @@ +github.com/kylelemons/godebug v1.1.0 h1:RPNrshWIDI6G2gRW9EHilWtl7Z6Sb1BR0xunSBf0SNc= +github.com/kylelemons/godebug v1.1.0/go.mod h1:9/0rRGxNHcop5bhtWyNeEfOS8JIWk580+fNqagV/RAw= diff --git a/02/input.txt b/02/input.txt new file mode 100644 index 0000000..7afc5dd --- /dev/null +++ b/02/input.txt @@ -0,0 +1,100 @@ +Game 1: 1 blue, 1 red; 10 red; 8 red, 1 blue, 1 green; 1 green, 5 blue +Game 2: 9 green, 11 red; 1 green, 7 red, 1 blue; 1 red, 1 blue, 1 green; 11 green, 3 red, 1 blue; 5 green, 12 red; 8 green, 1 blue, 7 red +Game 3: 16 blue, 2 red, 4 green; 8 red, 4 green; 7 green, 16 blue +Game 4: 3 green, 4 blue, 6 red; 7 red, 12 green, 5 blue; 5 green, 16 red, 8 blue +Game 5: 4 green, 4 blue, 3 red; 4 green, 7 red, 1 blue; 2 blue, 2 red, 4 green; 3 green, 7 red, 4 blue; 2 blue, 3 green, 8 red +Game 6: 3 green, 4 blue, 10 red; 13 red, 3 green, 4 blue; 11 red; 14 red, 1 green; 6 red, 2 green, 1 blue; 10 red, 1 blue, 1 green +Game 7: 2 green, 9 red, 9 blue; 12 red, 14 blue; 8 red, 3 green +Game 8: 9 green, 1 red; 18 green, 2 red, 7 blue; 1 blue, 9 green, 3 red; 3 red, 15 blue, 18 green +Game 9: 2 red, 1 blue, 10 green; 4 red, 1 blue, 5 green; 6 green, 3 red; 1 green, 2 blue; 8 red +Game 10: 9 green; 6 red, 4 green, 4 blue; 9 red, 2 blue, 9 green; 8 blue, 9 red, 12 green; 4 red, 8 green, 2 blue; 6 green, 7 blue +Game 11: 1 blue, 15 red, 2 green; 3 green, 9 red; 1 blue, 3 red, 1 green; 10 red, 1 green; 3 red +Game 12: 6 blue, 9 red, 4 green; 1 green, 8 blue; 4 green, 8 blue, 1 red; 7 green, 7 blue, 2 red +Game 13: 11 green, 8 blue, 1 red; 5 blue, 2 red, 5 green; 2 red, 18 green; 5 blue, 5 green, 2 red +Game 14: 1 red, 4 blue, 3 green; 2 red, 1 green, 1 blue; 1 red, 5 green, 1 blue; 3 red, 4 green, 4 blue +Game 15: 2 blue, 1 green; 3 red, 2 blue, 7 green; 1 red, 4 green, 15 blue; 1 green, 14 blue, 2 red +Game 16: 3 red, 10 blue, 9 green; 20 blue, 13 green, 1 red; 9 green, 11 blue, 6 red +Game 17: 4 red, 1 green, 1 blue; 1 green, 1 red, 11 blue; 1 red, 7 blue +Game 18: 5 red, 9 green; 17 green, 2 blue, 16 red; 11 red, 2 blue, 1 green +Game 19: 3 red, 14 green; 4 blue, 1 red, 17 green; 14 green, 3 red, 9 blue; 9 blue, 8 green, 8 red; 4 green, 8 blue +Game 20: 8 green, 3 blue, 3 red; 5 green, 6 red, 1 blue; 1 blue, 6 red, 13 green; 1 blue, 4 red; 4 red, 4 green, 1 blue +Game 21: 10 green, 3 blue, 7 red; 4 green, 14 blue, 11 red; 2 red, 8 green, 15 blue; 13 green, 7 blue, 4 red +Game 22: 3 blue, 11 green, 3 red; 7 green, 2 blue, 2 red; 3 red, 3 blue, 15 green; 12 green, 2 blue, 5 red +Game 23: 4 red, 3 blue; 2 green, 7 red, 6 blue; 1 green, 2 red, 3 blue +Game 24: 7 red, 3 green, 2 blue; 3 red, 9 green, 9 blue; 8 green, 6 red, 7 blue +Game 25: 2 red, 2 green, 2 blue; 3 green, 1 red, 4 blue; 4 red, 3 blue; 4 green, 1 blue, 5 red; 2 green, 4 red, 2 blue; 5 green, 3 red +Game 26: 1 red, 7 blue, 12 green; 2 blue, 2 red, 7 green; 3 green, 5 red, 6 blue; 8 green, 3 blue, 5 red; 15 green, 7 blue +Game 27: 4 blue, 7 red, 15 green; 4 red, 1 blue, 15 green; 3 red; 8 red, 4 blue, 10 green; 4 red +Game 28: 2 blue, 5 red, 8 green; 13 red, 9 green; 2 blue, 4 red, 5 green; 1 blue, 14 green, 12 red; 13 green, 11 red, 3 blue +Game 29: 7 green, 10 red; 9 green, 2 red, 1 blue; 3 blue, 13 green, 5 red +Game 30: 3 green, 6 blue, 5 red; 3 green, 1 red, 13 blue; 2 red, 2 green, 7 blue; 13 red, 2 green, 9 blue; 2 blue, 7 red, 2 green +Game 31: 8 red, 16 green, 1 blue; 10 red, 3 blue, 11 green; 2 green, 4 blue, 3 red; 2 blue, 7 red, 12 green; 16 green, 9 red, 6 blue; 8 blue, 9 red, 11 green +Game 32: 6 red, 3 green, 7 blue; 3 green, 7 blue, 3 red; 4 green, 1 red, 7 blue; 7 blue, 6 green, 5 red; 9 green, 11 red +Game 33: 8 green, 6 blue; 2 green, 8 red, 1 blue; 12 green, 4 blue, 14 red; 11 blue, 1 green, 7 red; 1 blue, 5 green, 9 red; 7 green, 7 red, 5 blue +Game 34: 5 blue, 6 green, 7 red; 6 blue, 5 green, 10 red; 9 red, 3 blue, 7 green; 9 red, 4 green; 15 red, 6 green, 4 blue +Game 35: 6 blue, 4 green, 7 red; 2 blue, 6 red; 4 green, 11 red, 2 blue; 2 red, 1 blue, 4 green; 10 red, 10 blue, 1 green; 11 blue, 4 green +Game 36: 13 blue, 6 green, 7 red; 5 red, 9 blue, 9 green; 6 red, 2 blue, 3 green; 2 blue, 7 green; 7 red, 5 blue; 12 blue, 7 red, 3 green +Game 37: 2 red, 12 green, 3 blue; 6 red, 4 blue; 3 blue, 1 green; 4 red, 5 blue, 6 green +Game 38: 3 red, 16 blue, 10 green; 6 red, 5 green, 5 blue; 7 blue, 12 red, 5 green +Game 39: 17 red, 4 green, 6 blue; 6 blue, 11 red; 18 red, 3 green, 1 blue; 3 blue, 6 red, 2 green; 19 red, 5 blue +Game 40: 1 red, 2 green, 3 blue; 6 blue, 5 green, 1 red; 5 green, 1 blue +Game 41: 7 blue, 6 green; 8 blue, 2 red, 3 green; 2 blue, 3 green; 3 green, 7 red, 17 blue +Game 42: 6 blue; 10 red, 5 blue, 14 green; 1 blue, 11 green; 6 blue, 2 green, 5 red; 7 blue, 13 green, 11 red +Game 43: 15 green, 3 blue; 7 blue, 14 green; 11 blue, 3 green; 17 green, 1 red, 1 blue; 17 green, 2 blue, 1 red +Game 44: 11 red, 4 blue, 16 green; 11 blue, 16 green; 14 red, 10 blue, 17 green +Game 45: 6 blue; 6 green, 6 blue, 1 red; 5 blue, 11 green; 4 green, 6 blue +Game 46: 6 green, 3 blue, 2 red; 9 green, 4 red, 2 blue; 9 green, 1 red, 3 blue +Game 47: 6 red, 3 blue, 9 green; 3 green, 11 blue; 4 blue, 1 red; 11 green, 11 blue +Game 48: 13 blue, 15 red; 9 red, 9 blue; 15 green, 9 red, 1 blue +Game 49: 8 green, 4 red; 1 red, 6 blue; 5 blue, 8 green; 1 red, 2 green, 3 blue; 2 red, 5 blue, 5 green +Game 50: 1 red, 8 green, 3 blue; 1 blue, 9 green; 3 green, 6 blue +Game 51: 8 green, 8 red, 8 blue; 9 green, 2 red, 6 blue; 1 green, 1 red, 1 blue; 5 blue, 1 red, 7 green; 7 blue, 5 red, 5 green +Game 52: 2 green, 1 red; 4 blue, 7 red, 2 green; 3 red, 4 blue; 1 green, 1 blue, 7 red; 8 red, 1 green, 8 blue; 4 blue, 3 green, 4 red +Game 53: 9 blue, 9 red; 3 blue, 3 green, 5 red; 1 green, 6 blue, 2 red; 4 red, 3 green, 3 blue +Game 54: 1 blue, 2 red, 2 green; 6 green, 1 blue, 3 red; 1 green, 1 blue +Game 55: 14 red, 8 blue; 9 red, 2 green, 8 blue; 6 blue, 11 red, 1 green; 10 red, 3 blue, 4 green; 13 red, 2 green, 4 blue; 5 green, 5 blue, 3 red +Game 56: 12 green, 3 blue; 1 red, 13 green, 5 blue; 17 blue, 6 red, 2 green; 4 red, 12 green, 12 blue +Game 57: 9 green, 9 red, 10 blue; 10 blue, 10 red, 9 green; 4 blue, 14 red, 8 green; 14 red, 7 green; 10 green, 3 blue, 7 red; 1 red, 2 blue, 1 green +Game 58: 1 green, 9 red, 11 blue; 5 green, 11 red, 6 blue; 2 green, 3 red, 8 blue; 2 green, 14 blue, 4 red; 9 blue, 1 red +Game 59: 10 blue, 13 green, 3 red; 4 red, 12 green, 8 blue; 4 red, 9 blue, 10 green; 17 green, 5 red, 7 blue; 4 red, 3 blue, 10 green +Game 60: 4 green; 5 blue, 8 red; 19 red, 3 blue, 2 green; 4 green, 14 blue, 3 red +Game 61: 2 red, 6 blue; 15 blue, 5 red; 1 green, 2 red; 1 green, 2 blue, 8 red; 7 red, 10 blue; 11 blue +Game 62: 10 blue, 2 green, 7 red; 2 red, 2 green, 10 blue; 5 red +Game 63: 19 red; 1 green, 2 blue, 3 red; 1 blue, 11 red +Game 64: 11 red, 3 green; 3 red, 1 blue, 3 green; 2 green, 2 red, 4 blue; 9 red, 1 green; 3 green, 7 red, 4 blue; 9 red, 2 blue, 3 green +Game 65: 2 red, 12 green; 3 red, 3 green; 8 green, 1 blue, 4 red; 2 red, 3 green +Game 66: 4 blue, 11 red, 15 green; 1 blue, 2 green, 10 red; 4 red, 5 green; 16 red, 16 green, 4 blue +Game 67: 6 red, 1 green; 1 green, 1 blue, 12 red; 11 red, 2 blue +Game 68: 4 green, 5 red; 9 blue, 1 red; 1 green, 2 red, 7 blue; 6 red, 5 green, 8 blue; 2 green, 7 red, 2 blue +Game 69: 9 red, 16 green, 12 blue; 5 red, 4 green, 3 blue; 6 green, 11 blue, 6 red; 13 green, 16 blue, 7 red; 1 red, 8 blue, 14 green +Game 70: 7 red, 5 blue, 4 green; 6 red, 12 blue, 13 green; 5 green, 4 red, 8 blue; 9 blue, 5 green, 2 red +Game 71: 15 red, 3 green, 3 blue; 1 red, 5 green, 6 blue; 6 green, 7 blue, 16 red +Game 72: 4 blue, 4 green, 6 red; 9 green, 2 blue; 15 green, 5 red +Game 73: 1 green, 7 red; 6 red, 2 blue; 5 red, 9 blue; 12 blue, 9 red +Game 74: 6 blue, 4 red, 4 green; 17 green, 1 blue; 4 blue, 7 green, 4 red +Game 75: 3 green, 2 blue, 10 red; 17 red, 14 green, 2 blue; 2 green, 1 blue, 14 red; 16 red, 1 blue, 9 green; 14 red, 1 blue, 9 green +Game 76: 1 red, 10 green, 4 blue; 4 blue, 4 red, 7 green; 1 red, 2 blue, 15 green; 5 blue, 7 green, 1 red; 5 blue, 3 red, 17 green; 18 green, 4 blue, 1 red +Game 77: 4 green, 5 blue, 7 red; 3 blue, 4 red, 5 green; 1 red, 1 green; 6 green, 4 blue, 16 red +Game 78: 2 blue, 9 red; 7 red, 3 blue, 18 green; 2 blue, 12 green +Game 79: 3 red, 10 green, 10 blue; 10 blue, 12 green; 7 green, 10 blue, 3 red +Game 80: 10 green, 2 blue, 14 red; 3 blue, 4 red; 12 green; 3 red, 2 blue, 1 green; 10 red, 12 green, 2 blue +Game 81: 1 green, 3 red, 6 blue; 5 blue, 1 red, 1 green; 6 blue, 9 red +Game 82: 3 blue, 11 red, 20 green; 15 red, 5 green, 3 blue; 4 red, 7 green, 3 blue +Game 83: 5 red, 12 blue, 6 green; 11 green, 9 blue, 6 red; 6 green, 1 red, 7 blue; 16 blue, 4 red; 3 green, 6 blue +Game 84: 3 red, 3 blue, 2 green; 3 red, 9 green; 2 blue, 11 green, 1 red; 1 red, 11 green, 1 blue +Game 85: 11 green, 1 red, 2 blue; 6 red, 8 green, 14 blue; 3 red, 6 green, 15 blue; 9 blue, 7 red, 1 green; 19 blue, 2 green, 5 red; 6 blue, 7 red, 6 green +Game 86: 11 red, 4 green; 2 green, 1 blue, 10 red; 11 red, 3 blue, 9 green +Game 87: 2 green, 17 blue; 12 blue, 3 red, 2 green; 3 green, 2 blue, 13 red; 6 red, 3 green; 13 blue, 11 red, 3 green; 5 blue, 7 red, 1 green +Game 88: 1 red, 12 green; 4 green, 3 blue; 6 blue, 12 green; 1 red, 2 blue +Game 89: 9 green, 2 red, 12 blue; 19 green, 12 blue, 3 red; 2 red, 8 blue, 11 green; 13 blue, 8 red, 9 green +Game 90: 2 red, 2 blue, 7 green; 7 green, 2 red, 12 blue; 6 red, 9 green, 5 blue +Game 91: 14 blue, 2 red, 7 green; 7 blue, 7 green; 1 red, 5 green, 10 blue; 4 red, 7 blue, 4 green; 5 green, 1 red, 13 blue; 5 green, 1 red +Game 92: 6 green, 4 blue, 7 red; 18 blue, 3 red; 6 red, 2 blue; 16 blue, 5 red, 3 green +Game 93: 6 red, 17 blue, 5 green; 14 red, 16 blue, 10 green; 11 blue, 7 red, 11 green; 6 blue, 7 green, 3 red; 17 blue, 1 green +Game 94: 4 green, 9 blue; 2 green, 6 red, 3 blue; 5 red, 4 green, 8 blue; 4 green, 5 red, 6 blue; 7 green, 7 red, 6 blue +Game 95: 6 blue, 2 red, 3 green; 9 green, 2 blue; 2 red, 4 blue, 11 green; 4 blue, 4 red, 8 green; 13 green, 5 red, 7 blue; 4 red, 15 green, 2 blue +Game 96: 5 red, 8 blue, 5 green; 12 blue, 2 red; 15 blue, 2 red, 1 green; 4 red, 1 green +Game 97: 5 red, 5 blue; 1 red, 11 blue; 3 green, 10 blue; 3 green, 1 red, 7 blue; 2 blue, 6 red; 1 red, 1 green, 8 blue +Game 98: 4 red, 3 blue, 8 green; 5 blue, 2 red, 8 green; 7 green, 10 red, 2 blue; 11 blue, 9 red, 9 green; 6 blue, 10 green, 11 red +Game 99: 7 green, 3 red, 9 blue; 3 blue, 5 red, 4 green; 2 red, 6 green, 1 blue; 12 blue, 1 red, 1 green; 11 green, 1 red, 12 blue +Game 100: 2 blue, 1 red; 4 blue, 2 red, 1 green; 7 red, 5 blue; 2 red, 1 green, 5 blue diff --git a/02/main.go b/02/main.go index f8b4eb7..dab041c 100644 --- a/02/main.go +++ b/02/main.go @@ -3,6 +3,7 @@ package main import ( "flag" "fmt" + "math" "os" "regexp" "strconv" @@ -10,19 +11,18 @@ import ( ) var ( - inputFile = flag.String("input", "input.txt", "input filename") - nRegex = regexp.MustCompile(`(?m)\d`) - reMap = map[string]string{ - "one": "1", - "two": "2", - "three": "3", - "four": "4", - "five": "5", - "six": "6", - "seven": "7", - "eight": "8", - "nine": "9", - } + inputFile = flag.String("input", "input.txt", "input filename") + subsetRegex = regexp.MustCompile(`(?mi)(\d+)+\s(\w+)([,;]?)`) + startRegex = regexp.MustCompile(`(?mi)Game\s(\d+):`) +) + +const ( + BlueCube = "blue" + GreenCube = "green" + RedCube = "red" + MaxRed = 12 + MaxGreen = 13 + MaxBlue = 14 ) func main() { @@ -32,61 +32,64 @@ func main() { panic(err) } - var sum int + var sum, powSum int for _, line := range strings.Split(string(input), "\n") { if strings.TrimSpace(line) == "" { continue } - // forward-scan for spelled digits - var forwardReplacedLine, backwardReplacedLine string - for i := 0; i < len(line); i++ { - forwardReplacedLine += string(line[i]) - - // replace all potential spelled out digits by their non-word counterpart (e.g. "one" -> "1") - for key, val := range reMap { - forwardReplacedLine = strings.ReplaceAll(forwardReplacedLine, key, val) - } - } - fmt.Println(forwardReplacedLine) - - // backward-scan for spelled digits - for i := len(line) - 1; i >= 0; i-- { - if i == len(line)-1 { - backwardReplacedLine = string(line[i]) - } else { - backwardReplacedLine = string(line[i]) + backwardReplacedLine - } - - // replace all potential spelled out digits by their non-word counterpart (e.g. "one" -> "1") - for key, val := range reMap { - backwardReplacedLine = strings.ReplaceAll(backwardReplacedLine, key, val) - } - } - fmt.Println(backwardReplacedLine) - - // find single digits in forward-replaced line - firstMatch := nRegex.FindAllStringSubmatch(forwardReplacedLine, -1) - - // find single digits in backward-replaced line - lastMatch := nRegex.FindAllStringSubmatch(backwardReplacedLine, -1) - - // get first matchgroup, first match (aka first digit in forwardReplacedLine) - first := firstMatch[0][0] - - // get last matchgroup, first match (aka last digit in backwardReplacedLine) - last := lastMatch[len(lastMatch)-1:][0][0] - - fmt.Println(first + last) - - // concatenate digits and convert the resulting string to int - asInt, err := strconv.Atoi(first + last) + // find id + idMatch := startRegex.FindAllStringSubmatch(line, -1) + id, err := strconv.Atoi(idMatch[0][1]) if err != nil { panic(err) } - sum += asInt + // find sets of digit + color + separator (e.g. "3 blue,") + subsets := subsetRegex.FindAllStringSubmatch(line, -1) + + var red, green, blue int + var minRed, minGreen, minBlue int + possible := true + + for _, subset := range subsets { + cubeAmount, err := strconv.Atoi(subset[1]) + if err != nil { + panic(err) + } + + // add cube amount to set + switch strings.ToLower(subset[2]) { + case BlueCube: + blue += cubeAmount + case GreenCube: + green += cubeAmount + case RedCube: + red += cubeAmount + } + + // end of set reached + if subset[3] == "" || subset[3] == ";" { + if red > MaxRed || green > MaxGreen || blue > MaxBlue { + possible = false + } + minBlue = int(math.Max(float64(minBlue), float64(blue))) + minRed = int(math.Max(float64(minRed), float64(red))) + minGreen = int(math.Max(float64(minGreen), float64(green))) + red = 0 + blue = 0 + green = 0 + } + } + + // end of game reached + powSum += minRed * minGreen * minBlue + if possible { + fmt.Printf("%d possible\n", id) + sum += id + } } - fmt.Println(sum) + fmt.Printf("Sum of IDs: %d\n", sum) + fmt.Printf("Sum of the power of sets: %d", powSum) } diff --git a/02/test_input.txt b/02/test_input.txt new file mode 100644 index 0000000..295c36d --- /dev/null +++ b/02/test_input.txt @@ -0,0 +1,5 @@ +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