master
kspickermann 1 year ago
parent
commit
3833a1e433
  1. 99
      day4/day4.go
  2. 1069
      day4/day4Input.txt
  3. 13
      day4/day4Test.txt
  4. 13
      day4/invalidPassport.txt
  5. 12
      day4/validPassport.txt
  6. 8
      helper/readFile.go

@ -0,0 +1,99 @@
package main
import (
"../helper"
"fmt"
"os"
"regexp"
"strconv"
"strings"
)
func main() {
args := os.Args[1:]
input, err := helper.GetFile(args[0])
if err != nil {
fmt.Println(err)
}
reqFields := []string{"byr:", "iyr:", "eyr:", "hgt:", "hcl:", "ecl:", "pid:"}
documents := strings.Split(input, "\n\n")
count := 0
countPart2 := 0
for _, document := range documents {
if isValid(document, reqFields) {
count++
if isValidPart2(document) {
countPart2++
}
}
}
fmt.Println(count)
fmt.Println(countPart2)
}
func isValid(document string, reqFields []string) bool {
for _, reqField := range reqFields {
match, err := regexp.MatchString(reqField, document)
if err != nil {
fmt.Println(err)
}
if !match {
return false
}
}
return true
}
func isValidPart2(document string) bool {
fields := strings.Fields(document)
for i := 0; i < len(fields); i++ {
field := fields[i]
pair := strings.Split(field, ":")
switch pair[0] {
case "byr":
if !checkYear(pair[1], 2002, 1920) {
return false
}
case "iyr":
if !checkYear(pair[1], 2020, 2010) {
return false
}
case "eyr":
if !checkYear(pair[1], 2030, 2020) {
return false
}
case "hgt":
r, _ := regexp.Compile("(cm|in)")
switch r.FindString(pair[1]) {
case "cm":
if !checkYear(pair[1][:len(pair[1])-2], 193, 150) {
return false
}
case "in":
if !checkYear(pair[1][:len(pair[1])-2], 76, 59) {
return false
}
default:
return false
}
case "hcl":
if match, _ := regexp.MatchString("^#[a-f0-9]{6}", pair[1]); !match{
return false
}
case "ecl":
if match, _ := regexp.MatchString(pair[1], "amb blue brn gry grn hzl oth"); !match{
return false
}
case "pid":
if match, _ := regexp.MatchString("[0-9]{8}", pair[1]); !match{
return false
}
}
}
return true
}
func checkYear(year string, max int, min int) bool {
number, err := strconv.Atoi(year)
return err == nil && number >= min && number <= max
}

File diff suppressed because it is too large Load Diff

@ -0,0 +1,13 @@
ecl:gry pid:860033327 eyr:2020 hcl:#fffffd
byr:1937 iyr:2017 cid:147 hgt:183cm
iyr:2013 ecl:amb cid:350 eyr:2023 pid:028048884
hcl:#cfa07d byr:1929
hcl:#ae17e1 iyr:2013
eyr:2024
ecl:brn pid:760753108 byr:1931
hgt:179cm
hcl:#cfa07d eyr:2025 pid:166559648
iyr:2011 ecl:brn hgt:59in

@ -0,0 +1,13 @@
eyr:1972 cid:100
hcl:#18171d ecl:amb hgt:170 pid:186cm iyr:2018 byr:1926
iyr:2019
hcl:#602927 eyr:1967 hgt:170cm
ecl:grn pid:012533040 byr:1946
hcl:dab227 iyr:2012
ecl:brn hgt:182cm pid:021572410 eyr:2020 byr:1992 cid:277
hgt:59cm ecl:zzz
eyr:2038 hcl:74454a iyr:2023
pid:3556412378 byr:2007

@ -0,0 +1,12 @@
pid:087499704 hgt:74in ecl:grn iyr:2012 eyr:2030 byr:1980
hcl:#623a2f
eyr:2029 ecl:blu cid:129 byr:1989
iyr:2014 pid:896056539 hcl:#a97842 hgt:165cm
hcl:#888785
hgt:164cm byr:2001 iyr:2015 cid:88
pid:545766238 ecl:hzl
eyr:2022
iyr:2010 hgt:158cm hcl:#b6652a ecl:blu byr:1944 eyr:2021 pid:093154719

@ -15,6 +15,14 @@ func GetInput(filename string) ([]string, error) {
return lines, err
}
func GetFile(filename string) (string, error) {
content, err := ioutil.ReadFile(filename)
if err != nil {
return "", err
}
return string(content), err
}
func MapToNumber(strings []string) ([]int, error) {
var numbers []int
for _, line := range strings {

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