package main

import (
	"fmt"

	"internal/day12"
	"internal/util"
)

const NumGenerations = 50000000000

func main() {
	data := util.ReadInput()
	plants, rules := day12.FastParseInput(data)

	runner := day12.FastGenerationRunner()
	rootIndex := 0
	for i := 0; i < NumGenerations; i++ {
		plants, rootIndex = runner(plants, rules, rootIndex)

		// debug
		if i%1000000000 == 0 {
			fmt.Println("DEBUG: Generation: ", i)
		}
	}

	fmt.Println(day12.FastSumPlants(plants, rootIndex))
}