38 lines
651 B
Go
38 lines
651 B
Go
package dayone
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import (
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"advent-of-code/internal/registry"
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"os"
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"strconv"
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)
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func init() {
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registry.Register("2017D1", ParseInput, PartOne, PartTwo)
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}
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func ParseInput(filepath string) []int {
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content, _ := os.ReadFile(filepath)
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digits := string(content)
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result := make([]int, 0, len(digits))
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for _, char := range digits {
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digit, _ := strconv.Atoi(string(char))
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result = append(result, digit)
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}
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return result
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}
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func PartOne(data []int) int {
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sum := 0
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for idx := range data {
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nextIndex := (idx + 1) % len(data)
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if data[idx] == data[nextIndex] {
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sum += data[idx]
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}
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}
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return sum
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}
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func PartTwo(data []int) int {
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return 0
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}
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