43 lines
677 B
Go
43 lines
677 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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"strings"
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)
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func init() {
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registry.Register("2021D1", 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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var data []int
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for line := range strings.SplitSeq(string(content), "\n") {
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num, _ := strconv.Atoi(line)
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data = append(data, num)
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}
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return data
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}
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func PartOne(data []int) int {
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count := 0
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for i := 1; i < len(data); i++ {
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if data[i] > data[i-1] {
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count++
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}
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}
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return count
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}
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func PartTwo(data []int) int {
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count := 0
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for i := 3; i < len(data); i++ {
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if data[i] > data[i-3] {
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count++
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}
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}
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return count
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}
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