62 lines
1.1 KiB
Go
62 lines
1.1 KiB
Go
package dayeight
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import (
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"os"
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"strings"
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"advent-of-code/internal/registry"
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)
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func init() {
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registry.Register("2015D8", ParseInput, PartOne, PartTwo)
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}
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func ParseInput(filepath string) []string {
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content, _ := os.ReadFile(filepath)
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return strings.Split(string(content), "\n")
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}
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func PartOne(data []string) int {
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result := 0
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for _, line := range data {
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codeLength := len(line)
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memoryLength := 0
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for idx := 1; idx < len(line)-1; idx++ {
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if line[idx] == '\\' && idx+1 < len(line)-1 {
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switch line[idx+1] {
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case '\\', '"':
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memoryLength++
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idx++
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case 'x':
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if idx+3 < len(line)-1 {
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memoryLength++
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idx += 3
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}
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}
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} else {
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memoryLength++
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}
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}
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result += codeLength - memoryLength
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}
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return result
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}
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func PartTwo(data []string) int {
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result := 0
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for _, line := range data {
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originalLength := len(line)
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encodedLength := 2
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for _, char := range line {
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switch char {
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case '\\', '"':
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encodedLength += 2
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default:
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encodedLength++
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}
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}
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result += encodedLength - originalLength
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}
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return result
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}
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