60 lines
1011 B
Go
60 lines
1011 B
Go
package solutions
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import (
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"strings"
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)
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func Day06Part01(isTest bool) int {
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input := ReadInput("06", isTest)
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groups := strings.Split(input, "\n\n")
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sum := 0
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for _, group := range groups {
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frequency := make(map[rune]int)
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for _, letter := range group {
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// remove non a-z character
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if letter < 97 || letter > 122 {
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continue
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}
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previousValue, _ := frequency[letter]
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frequency[letter] = previousValue + 1
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}
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sum += len(frequency)
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}
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return sum
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}
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func Day06Part02(isTest bool) int {
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input := ReadInput("06", isTest)
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groups := strings.Split(input, "\n\n")
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sum := 0
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for _, group := range groups {
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persons := strings.Split(group, "\n")
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personAmount := len(persons)
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frequency := make(map[rune]int)
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for _, person := range persons {
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for _, letter := range person {
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previousValue, _ := frequency[letter]
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frequency[letter] = previousValue + 1
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}
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}
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for _, value := range frequency {
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if value == personAmount {
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sum += 1
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}
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}
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}
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return sum
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}
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