ZwischenStand
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e2f5bc8e52
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@ -0,0 +1,99 @@
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package main
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import (
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"AOC2022/helper"
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"fmt"
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"strconv"
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"strings"
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)
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func main() {
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//args := os.Args[1:]
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lines := helper.ReadTextFile("day15/input")
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points := getPoints(lines)
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//scannedXPoints := make(map[int]bool)
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scannedPoints := getScannedPointsForTagetY(points, [2]int{0, 4000000}, [2]int{0, 4000000})
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//fmt.Println(scannedPoints)
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fmt.Println(len(scannedPoints))
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for i := 0; i <= 4000000; i++ {
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for j := 0; j <= 20; j++ {
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if !scannedPoints[[2]int{i, j}] {
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fmt.Println([2]int{i, j})
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}
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}
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}
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}
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func getScannedPointsForTagetY(points [][2][2]int, targetyRange [2]int, targetxRange [2]int) map[[2]int]bool {
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scannedYPoints := make(map[[2]int]bool)
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for rotation, pointPair := range points {
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sensor := pointPair[0]
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beacon := pointPair[1]
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distanceToSensor := helper.ManHattanDistance(sensor, beacon)
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distanceToTargetYLowest := helper.Abs(sensor[1] - targetyRange[0])
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distanceToTargetYHighest := helper.Abs(sensor[1] - targetyRange[1])
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if sensor[1] >= targetyRange[1] && distanceToSensor >= distanceToTargetYHighest {
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i := targetyRange[1]
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for i >= targetyRange[1]-(distanceToSensor-distanceToTargetYHighest) && i >= targetyRange[0] {
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setPointsForTargetY(distanceToSensor, i, targetxRange, sensor, &scannedYPoints)
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i--
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}
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}
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if sensor[1] <= targetyRange[0] && distanceToSensor >= distanceToTargetYLowest {
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i := targetyRange[0]
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for i <= targetyRange[0]+(distanceToSensor-distanceToTargetYLowest) && i <= targetyRange[1] {
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setPointsForTargetY(distanceToSensor, i, targetxRange, sensor, &scannedYPoints)
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i++
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}
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}
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if sensor[1] >= targetyRange[0] && sensor[1] <= targetyRange[1] {
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i := sensor[1]
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for i <= targetyRange[1] && i <= sensor[1]+distanceToSensor {
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setPointsForTargetY(distanceToSensor, i, targetxRange, sensor, &scannedYPoints)
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i++
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}
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i = sensor[1]
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for i >= targetyRange[0] && i >= sensor[1]-distanceToSensor {
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setPointsForTargetY(distanceToSensor, i, targetxRange, sensor, &scannedYPoints)
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i--
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}
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}
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fmt.Println(rotation)
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}
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return scannedYPoints
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}
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func setPointsForTargetY(distanceToSensor, targetY int, targetxRange, sensor [2]int, scannedYPoints *map[[2]int]bool) {
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distanceToTargetY := helper.Abs(sensor[1] - targetY)
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widthOnTargetY := helper.Abs(distanceToTargetY - distanceToSensor)
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i := sensor[0] - widthOnTargetY
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if i < targetxRange[0] {
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i = targetxRange[0]
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}
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for i <= sensor[0]+widthOnTargetY && i <= targetxRange[1] {
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(*scannedYPoints)[[2]int{i, targetY}] = true
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i++
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}
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}
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func getPoints(lines []string) [][2][2]int {
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points := make([][2][2]int, len(lines))
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for i, line := range lines {
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intPair := [2][2]int{}
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stringParts := strings.Split(line[12:], ":")
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sensorStringNumbers := stringSliceToIntSlice(strings.Split(stringParts[0], ", y="))
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beaconStringNumbers := stringSliceToIntSlice(strings.Split(strings.ReplaceAll(stringParts[1], " closest beacon is at x=", ""), ", y="))
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intPair[0] = [2]int{sensorStringNumbers[0], sensorStringNumbers[1]}
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intPair[1] = [2]int{beaconStringNumbers[0], beaconStringNumbers[1]}
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points[i] = intPair
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}
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return points
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}
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func stringSliceToIntSlice(input []string) []int {
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intSlice := []int{}
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for _, str := range input {
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intSlice = append(intSlice, helper.RemoveError(strconv.Atoi(str)))
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}
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return intSlice
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}
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@ -0,0 +1,33 @@
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Sensor at x=1943362, y=12808: closest beacon is at x=1861152, y=-42022
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Sensor at x=906633, y=3319637: closest beacon is at x=2096195, y=3402757
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Sensor at x=2358896, y=2158796: closest beacon is at x=2331052, y=2934800
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Sensor at x=1787606, y=3963631: closest beacon is at x=2096195, y=3402757
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Sensor at x=2282542, y=3116014: closest beacon is at x=2331052, y=2934800
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Sensor at x=173912, y=1873897: closest beacon is at x=429790, y=2000000
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Sensor at x=3391153, y=3437167: closest beacon is at x=3720655, y=3880705
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Sensor at x=3834843, y=2463103: closest beacon is at x=2971569, y=2563051
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Sensor at x=3917316, y=3981011: closest beacon is at x=3720655, y=3880705
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Sensor at x=1466100, y=1389028: closest beacon is at x=429790, y=2000000
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Sensor at x=226600, y=3967233: closest beacon is at x=85598, y=4102832
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Sensor at x=1757926, y=2834180: closest beacon is at x=2331052, y=2934800
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Sensor at x=2176953, y=3240563: closest beacon is at x=2096195, y=3402757
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Sensor at x=2883909, y=2533883: closest beacon is at x=2971569, y=2563051
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Sensor at x=376161, y=2533578: closest beacon is at x=429790, y=2000000
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Sensor at x=3015271, y=3913673: closest beacon is at x=3720655, y=3880705
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Sensor at x=490678, y=388548: closest beacon is at x=429790, y=2000000
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Sensor at x=2725765, y=2852933: closest beacon is at x=2331052, y=2934800
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Sensor at x=86373, y=2839828: closest beacon is at x=429790, y=2000000
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Sensor at x=1802070, y=14830: closest beacon is at x=1861152, y=-42022
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Sensor at x=19628, y=1589839: closest beacon is at x=429790, y=2000000
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Sensor at x=2713787, y=3381887: closest beacon is at x=2096195, y=3402757
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Sensor at x=2148471, y=3729393: closest beacon is at x=2096195, y=3402757
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Sensor at x=3999318, y=3263346: closest beacon is at x=3720655, y=3880705
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Sensor at x=575700, y=1390576: closest beacon is at x=429790, y=2000000
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Sensor at x=273266, y=2050976: closest beacon is at x=429790, y=2000000
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Sensor at x=3008012, y=993590: closest beacon is at x=2971569, y=2563051
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Sensor at x=3306379, y=2782128: closest beacon is at x=2971569, y=2563051
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Sensor at x=44975, y=3820788: closest beacon is at x=85598, y=4102832
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Sensor at x=2941700, y=2536797: closest beacon is at x=2971569, y=2563051
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Sensor at x=2040164, y=102115: closest beacon is at x=1861152, y=-42022
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Sensor at x=3928008, y=3692684: closest beacon is at x=3720655, y=3880705
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Sensor at x=3905950, y=222812: closest beacon is at x=4759853, y=-796703
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@ -0,0 +1,14 @@
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Sensor at x=2, y=18: closest beacon is at x=-2, y=15
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Sensor at x=9, y=16: closest beacon is at x=10, y=16
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Sensor at x=13, y=2: closest beacon is at x=15, y=3
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Sensor at x=12, y=14: closest beacon is at x=10, y=16
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Sensor at x=10, y=20: closest beacon is at x=10, y=16
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Sensor at x=14, y=17: closest beacon is at x=10, y=16
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Sensor at x=8, y=7: closest beacon is at x=2, y=10
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Sensor at x=2, y=0: closest beacon is at x=2, y=10
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Sensor at x=0, y=11: closest beacon is at x=2, y=10
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Sensor at x=20, y=14: closest beacon is at x=25, y=17
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Sensor at x=17, y=20: closest beacon is at x=21, y=22
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Sensor at x=16, y=7: closest beacon is at x=15, y=3
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Sensor at x=14, y=3: closest beacon is at x=15, y=3
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Sensor at x=20, y=1: closest beacon is at x=15, y=3
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@ -123,3 +123,14 @@ func SetValueOf2DMap[T any](location [2]int, value T, map2D *[][]T) int {
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(*map2D)[location[0]][location[1]] = value
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return 0
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}
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func Abs[T constraints.Integer](x T) T {
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if x < 0 {
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return -x
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}
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return x
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}
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func ManHattanDistance(p1, p2 [2]int) int {
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return Abs(p1[0]-p2[0]) + Abs(p1[1]-p2[1])
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}
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