anonfunc/adventofcode2023
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small refactor

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This commit is contained in:
Giovanni Harting
2023-12-02 16:44:55 +01:00
parent db32ffa315
commit 316d1052a4
1 changed files with 11 additions and 10 deletions
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21
02/main.go
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@@ -13,7 +13,7 @@ import (
var ( var (
inputFile = flag.String("input", "input.txt", "input filename") inputFile = flag.String("input", "input.txt", "input filename")
subsetRegex = regexp.MustCompile(`(?mi)(\d+)+\s(\w+)([,;]?)`) subsetRegex = regexp.MustCompile(`(?mi)(\d+)+\s(\w+)([,;]?)`)
startRegex = regexp.MustCompile(`(?mi)Game\s(\d+):`) idRegex = regexp.MustCompile(`(?mi)Game\s(\d+):`)
) )
const ( const (
@@ -32,14 +32,15 @@ func main() {
panic(err) panic(err)
} }
var sum, powSum int var sum int
var powSum float64
for _, line := range strings.Split(string(input), "\n") { for _, line := range strings.Split(string(input), "\n") {
if strings.TrimSpace(line) == "" { if strings.TrimSpace(line) == "" {
continue continue
} }
// find id // find id
idMatch := startRegex.FindAllStringSubmatch(line, -1) idMatch := idRegex.FindAllStringSubmatch(line, -1)
id, err := strconv.Atoi(idMatch[0][1]) id, err := strconv.Atoi(idMatch[0][1])
if err != nil { if err != nil {
panic(err) panic(err)
@@ -48,12 +49,12 @@ func main() {
// find sets of digit + color + separator (e.g. "3 blue,") // find sets of digit + color + separator (e.g. "3 blue,")
subsets := subsetRegex.FindAllStringSubmatch(line, -1) subsets := subsetRegex.FindAllStringSubmatch(line, -1)
var red, green, blue int var red, green, blue float64
var minRed, minGreen, minBlue int var minRed, minGreen, minBlue float64
possible := true possible := true
for _, subset := range subsets { for _, subset := range subsets {
cubeAmount, err := strconv.Atoi(subset[1]) cubeAmount, err := strconv.ParseFloat(subset[1], 64)
if err != nil { if err != nil {
panic(err) panic(err)
} }
@@ -73,9 +74,9 @@ func main() {
if red > MaxRed || green > MaxGreen || blue > MaxBlue { if red > MaxRed || green > MaxGreen || blue > MaxBlue {
possible = false possible = false
} }
minBlue = int(math.Max(float64(minBlue), float64(blue))) minBlue = math.Max(minBlue, blue)
minRed = int(math.Max(float64(minRed), float64(red))) minRed = math.Max(minRed, red)
minGreen = int(math.Max(float64(minGreen), float64(green))) minGreen = math.Max(minGreen, green)
red = 0 red = 0
blue = 0 blue = 0
green = 0 green = 0
@@ -91,5 +92,5 @@ func main() {
} }
fmt.Printf("Sum of IDs: %d\n", sum) fmt.Printf("Sum of IDs: %d\n", sum)
fmt.Printf("Sum of the power of sets: %d", powSum) fmt.Printf("Sum of the power of sets: %d", int(powSum))
} }