66 lines
1.2 KiB
Go
66 lines
1.2 KiB
Go
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package main
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import (
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"AoC2020/helper"
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"fmt"
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"os"
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"strings"
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)
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func main() {
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args := os.Args[1:]
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input, err := helper.GetFile(args[0])
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if err != nil {
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fmt.Println(err)
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}
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groups := strings.Split(input, "\n\n")
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fmt.Println(day6(groups))
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fmt.Println(day6Part2(groups))
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}
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func day6(groups []string) int {
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var count int
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for _, group := range groups {
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count += len(getYesAnsweredQuestions(group))
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}
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return count
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}
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func day6Part2(groups []string) int {
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var count int
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for _, group := range groups {
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count += getQuestionsEveryoneAnsweredYes(group)
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}
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return count
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}
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func getYesAnsweredQuestions(group string) string {
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var answeredQuestions string
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persons := strings.Split(group, "\n")
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for _, person := range persons {
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for _, answer := range person {
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if !strings.Contains(answeredQuestions, string(answer)) {
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answeredQuestions += string(answer)
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}
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}
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}
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return answeredQuestions
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}
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func getQuestionsEveryoneAnsweredYes(group string) int {
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var questions [26]int
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persons := strings.Split(group, "\n")
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for _, person := range persons {
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for _, answer := range person {
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questions[answer-97] += 1
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}
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}
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count := 0
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for _,question := range questions {
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if question == len(persons){
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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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