Day 2
Day 2
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package main
import (
"fmt"
"io/ioutil"
"strconv"
"strings"
)
type Password struct {
min int //
max int //
letter string //
pass string //
}
func (p Password) Check() bool {
occurance := strings.Count(p.pass, p.letter)
if p.min <= occurance && p.max >= occurance {
return true
} else {
return false
}
}
func (p Password) Part2() bool {
left := strings.Count(string(p.pass[p.min-1]), p.letter)
right := strings.Count(string(p.pass[p.max-1]), p.letter)
if left != right {
return true
} else {
return false
}
}
func main() {
content, err := ioutil.ReadFile("a2.txt")
if err != nil {
fmt.Println(err)
}
data := strings.Split(string(content), "\n")
var r []string
for _, str := range data {
if str != "" {
//t, _ := strconv.Atoi(str)
r = append(r, str)
}
}
//fmt.Println(r)
var part1 int
var part2 int
for _, v := range r {
myRange := strings.Split(v, " ")[0]
min, _ := strconv.Atoi(strings.Split(myRange, "-")[0])
max, _ := strconv.Atoi(strings.Split(myRange, "-")[1])
letter := strings.Replace(strings.Split(v, " ")[1], ":", "", -1)
pass := strings.Split(v, " ")[2]
//fmt.Println("min: ", min, "max: ", max, "letter: ", letter, "password: ", pass)
tmp := Password{
min: min,
max: max,
letter: letter,
pass: pass,
}
if tmp.Check() {
part1++
}
if tmp.Part2() {
part2++
}
}
fmt.Println("Part1:", part1)
fmt.Println("Part2:", part2)
//1 1 false
//1 0 true
//0 1 true
//1 1 false
}
This post is licensed under CC BY 4.0 by the author.
