advent-20/solutions/day05.go
2024-03-01 09:05:46 -05:00

41 lines
782 B
Go

package solutions
import (
"regexp"
"strconv"
"strings"
)
func seatToValue(seat string) (int, int, int) {
lowRegex := regexp.MustCompile("[FL]")
highRegex := regexp.MustCompile("[BR]")
seatStr := lowRegex.ReplaceAllString(seat, "0")
seatStr = highRegex.ReplaceAllString(seatStr, "1")
row, _ := strconv.ParseInt(seatStr[:7], 2, 64)
column, _ := strconv.ParseInt(seatStr[7:], 2, 64)
return int(row), int(column), int(row*8 + column)
}
func Day05Part01(isTest bool) int {
input := ReadInput("05", isTest)
seats := strings.Split(input, "\n")
highestSeatId := 0
for _, seat := range seats {
_, _, seatId := seatToValue(seat)
if seatId > highestSeatId {
highestSeatId = seatId
}
}
return highestSeatId
}
func Day05Part02(isTest bool) int {
return -1
}