81 lines
1.2 KiB
Go
81 lines
1.2 KiB
Go
package main
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import (
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"bufio"
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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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inp := StdinToStrings()
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part1(inp)
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part2(inp)
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}
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func findValid(inp []string, cmp func(string, string) bool) {
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cnt := 0
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for _, v := range inp {
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wrds := strings.Split(v, " ")
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isGood := true
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for i := range wrds {
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for j := i + 1; j < len(wrds); j++ {
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if cmp(wrds[i], wrds[j]) {
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isGood = false
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}
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if !isGood {
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break
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}
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}
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if !isGood {
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break
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}
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}
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if isGood {
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cnt++
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}
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}
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fmt.Println("Valid Passphrases:", cnt)
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}
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func part1(inp []string) {
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fmt.Println("== Part 1 ==")
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cmp := func(wrd1, wrd2 string) bool {
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return wrd1 == wrd2
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}
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findValid(inp, cmp)
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}
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func part2(inp []string) {
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fmt.Println("== Part 2 ==")
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cmp := func(wrd1, wrd2 string) bool {
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return isAnagram(wrd1, wrd2)
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}
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findValid(inp, cmp)
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}
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func isAnagram(wrd1, wrd2 string) bool {
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charMap := make(map[byte]int)
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for i := range wrd1 {
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charMap[wrd1[i]]++
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}
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for i := range wrd2 {
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charMap[wrd2[i]]--
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}
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for _, v := range charMap {
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if v != 0 {
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return false
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}
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}
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return true
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}
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func StdinToStrings() []string {
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var input []string
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scanner := bufio.NewScanner(os.Stdin)
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for scanner.Scan() {
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input = append(input, scanner.Text())
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}
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return input
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}
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