package main

import (
  "aoc2022/day15/common"
  "bufio"
  "fmt"
  "os"
)

func main() {
  sensors := common.Parse(*bufio.NewScanner(os.Stdin))
  tileMap := common.NewMap()

  for _, sensor := range sensors {
    tileMap.SetSensor(sensor)
  }

  var frequency int
  found := false
  for i := 0; i <= 4000000 && !found; i++ {
    coverage := tileMap.GetCoverageYInXInterval(0, 4000000, i)
    if coverage <= 4000000 {
      for j := 0; j < 4000000 && !found; j++ {
        if tileMap.GetTile(j, i) == common.Free {
          frequency = j * 4000000 + i
          found = true
        }
      }
    }
  }

  fmt.Println(frequency)
}