package dayone import ( "advent-of-code/internal/registry" "os" "strconv" "strings" ) func init() { registry.Register("2025D1", ParseInput, PartOne, PartTwo) } func ParseInput(filepath string) []string { content, _ := os.ReadFile(filepath) return strings.Split(string(content), "\n") } func PartOne(data []string) int { position := 50 count := 0 for _, rotation := range data { direction := rotation[0] distance, _ := strconv.Atoi(rotation[1:]) if direction == 'L' { position = (position - distance + 100) % 100 } else { position = (position + distance) % 100 } if position == 0 { count++ } } return count } func PartTwo(data []string) int { return 0 }