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@@ -5,6 +5,7 @@ import (
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"fmt"
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"log"
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"os"
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+ "sort"
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)
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const (
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@@ -113,6 +114,31 @@ const (
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FiveKind
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)
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+func part1(hands []Hand) int {
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+ var result int
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+ sort.Slice(hands, func(i, j int) bool {
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+ if hands[i].score < hands[j].score {
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+ return true
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+ }
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+
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+ if hands[i].score == hands[j].score {
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+ for k := 0; k < NumberOfCards; k++ {
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+ if hands[i].ranks[k] < hands[j].ranks[k] {
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+ return true
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+ }
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+ }
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+ }
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+
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+ return false
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+ })
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+
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+ for i := range hands {
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+ result += (i + 1) * hands[i].bid
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+ }
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+
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+ return result
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+}
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+
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func main() {
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if len(os.Args) < 2 {
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log.Fatal("You need to specify a file!")
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@@ -126,5 +152,5 @@ func main() {
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}
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hands := readInput(file)
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- fmt.Println(hands)
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+ fmt.Println(part1(hands))
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}
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