main.go

package main

import (
	"fmt"

	aoc "github.com/tsholmes/aoc-2019"
)

func main() {
	part1()
	part2()
}

func part1() {
	count := 0
	for x := 0; x < 50; x++ {
		for y := 0; y < 50; y++ {
			var res int64
			ic := aoc.LoadIntCode(input, aoc.FixedInput(int64(x), int64(y)), aoc.SingleOutput(&res))
			ic.RunToEnd()
			count += int(res)
		}
	}
	fmt.Println(count)
}

func part2() {
	check := func(x int, y int) bool {
		var res int64
		ic := aoc.LoadIntCode(input, aoc.FixedInput(int64(x), int64(y)), aoc.SingleOutput(&res))
		ic.RunToEnd()
		return res == 1
	}

	left := 20
	for y := 100; ; y++ {
		for {
			if !check(left, y) {
				left++
				continue
			} else {
				break
			}
		}
		if check(left, y-99) && check(left+99, y) && check(left+99, y-99) {
			fmt.Println(left*10000 + (y - 99))
			return
		}
	}
}

const input = `109,424,203,1,21102,1,11,0,1106,0,282,21101,18,0,0,1105,1,259,2101,0,1,221,203,1,21101,0,31,0,1105,1,282,21101,38,0,0,1105,1,259,21001,23,0,2,22101,0,1,3,21102,1,1,1,21101,57,0,0,1106,0,303,2102,1,1,222,20102,1,221,3,20102,1,221,2,21101,0,259,1,21102,80,1,0,1105,1,225,21102,1,130,2,21102,1,91,0,1106,0,303,2101,0,1,223,21002,222,1,4,21102,259,1,3,21102,1,225,2,21101,0,225,1,21102,1,118,0,1106,0,225,21002,222,1,3,21101,0,106,2,21102,1,133,0,1106,0,303,21202,1,-1,1,22001,223,1,1,21101,148,0,0,1105,1,259,2102,1,1,223,20101,0,221,4,20102,1,222,3,21102,1,19,2,1001,132,-2,224,1002,224,2,224,1001,224,3,224,1002,132,-1,132,1,224,132,224,21001,224,1,1,21101,195,0,0,106,0,109,20207,1,223,2,20101,0,23,1,21102,-1,1,3,21101,0,214,0,1105,1,303,22101,1,1,1,204,1,99,0,0,0,0,109,5,1201,-4,0,249,21201,-3,0,1,21202,-2,1,2,21201,-1,0,3,21102,1,250,0,1105,1,225,22102,1,1,-4,109,-5,2106,0,0,109,3,22107,0,-2,-1,21202,-1,2,-1,21201,-1,-1,-1,22202,-1,-2,-2,109,-3,2106,0,0,109,3,21207,-2,0,-1,1206,-1,294,104,0,99,21201,-2,0,-2,109,-3,2105,1,0,109,5,22207,-3,-4,-1,1206,-1,346,22201,-4,-3,-4,21202,-3,-1,-1,22201,-4,-1,2,21202,2,-1,-1,22201,-4,-1,1,22102,1,-2,3,21102,343,1,0,1105,1,303,1105,1,415,22207,-2,-3,-1,1206,-1,387,22201,-3,-2,-3,21202,-2,-1,-1,22201,-3,-1,3,21202,3,-1,-1,22201,-3,-1,2,21201,-4,0,1,21101,384,0,0,1106,0,303,1106,0,415,21202,-4,-1,-4,22201,-4,-3,-4,22202,-3,-2,-2,22202,-2,-4,-4,22202,-3,-2,-3,21202,-4,-1,-2,22201,-3,-2,1,21201,1,0,-4,109,-5,2106,0,0`