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@@ -91,6 +91,19 @@ func mix(numbers []int) []int {
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return mixed
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}
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+func part1(mixed []int) int {
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+ zeroIndex := indexOf(mixed, 0)
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+ result := 0
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+ size := len(mixed)
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+
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+ for i := 1; i < 4; i++ {
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+ newIndex := establishNewIndex(size, zeroIndex, i*1000)
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+ result += mixed[newIndex-1]
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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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@@ -104,5 +117,6 @@ func main() {
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}
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numbers := readInput(file)
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- fmt.Println(mix(numbers))
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+ mixed := mix(numbers)
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+ fmt.Println("Part1:", part1(mixed))
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}
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