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@@ -43,11 +43,57 @@ func readInput(file string) (int, int) {
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return player1, player2
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}
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+var dice int
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+
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+func roll() int {
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+ dice++
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+ return dice
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+}
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+
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+func part1(player1, player2 int) int {
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+ var score1, score2 int
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+ first := true
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+ countDice := 0
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+
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+ for {
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+ if score1 >= 1000 || score2 >= 1000 {
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+ break
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+ }
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+
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+ if first {
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+ player1 = (roll() + roll() + roll() + player1) % 10
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+ if player1 == 0 {
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+ player1 = 10
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+ }
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+
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+ score1 += player1
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+ first = false
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+ countDice += 3
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+ } else {
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+ player2 = (roll() + roll() + roll() + player2) % 10
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+ if player2 == 0 {
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+ player2 = 10
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+ }
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+
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+ score2 += player2
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+ first = true
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+ countDice += 3
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+ }
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+ }
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+
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+ if score1 > score2 {
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+ return score2 * countDice
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+ }
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+
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+ return score1 * countDice
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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("Please provide a file name as argument")
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}
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player1, player2 := readInput(os.Args[1])
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- fmt.Println(player1, player2)
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+ dice = 0
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+ fmt.Println("Part1:", part1(player1, player2))
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}
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