61 lines
1.1 KiB
Go
61 lines
1.1 KiB
Go
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package solutions
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import (
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"strconv"
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"strings"
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)
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func checkPassword(input string) bool {
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dashPosition := strings.Index(input, "-")
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spacePosition := strings.Index(input, " ")
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colonPosition := strings.Index(input, ":")
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amountMin, err := strconv.Atoi(input[:dashPosition])
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if err != nil {
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panic("Error converting to int")
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}
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amountMax, err := strconv.Atoi(input[dashPosition+1 : spacePosition])
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if err != nil {
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panic("Error converting to int")
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}
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letter := input[spacePosition+1 : colonPosition]
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rest := input[colonPosition+2:]
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charMap := make(map[string]int)
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for _, char := range strings.Split(rest, "") {
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if _, ok := charMap[char]; ok {
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charMap[char] += 1
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} else {
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charMap[char] = 1
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}
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}
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charAmount := charMap[letter]
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if charAmount >= amountMin && charAmount <= amountMax {
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return true
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}
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return false
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}
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func Day02Part01(isTest bool) int {
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input := ReadInput("02", isTest)
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values := strings.Split(input, "\n")
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correctPasswords := 0
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for _, i := range values {
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if checkPassword(i) {
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correctPasswords += 1
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}
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}
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return correctPasswords
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}
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func Day02Part02(isTest bool) int {
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return -1
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}
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