package day05

import (
	"log"
	"sort"
)

func Solve2() {
	var seatIds []int
	var missingSeat int

	for _, row := range rows {
		seatIds = append(seatIds, getSeatId(row))
	}

	sort.Ints(seatIds)

	lastId := seatIds[0] - 1
	for _, seatId := range seatIds {
		if lastId != seatId-1 {
			missingSeat = seatId - 1
			break
		}
		lastId = seatId
	}

	log.Printf("2020-12-05.02: Answer: %d\n", missingSeat)
}