I realized having to host this potentially indefinitely might not be the best idea, so I am going to shut down this gitea instance eventually.
You’ll have time, at least until the end of 2022, probably longer, but please just get all your stuff somewhere safe in case we ever disappear.
Arranun
/
AoC2020
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Day12

Browse Source
master
Karl Spickermann 2 years ago
parent 954538b7bf
commit d9b66adc94
4 changed files with 942 additions and 16 deletions
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  1. 41
      .idea/workspace.xml
  2. 141
      day12/day12.go
  3. 771
      day12/day12Input.txt
  4. 5
      day12/day12Test.txt

41
.idea/workspace.xml
Unescape View File

@ -11,11 +11,8 @@
</component>
<component name="ChangeListManager">
<list default="true" id="400bdf61-8921-41d3-8f98-a0a1b0877f46" name="Default Changelist" comment="">
<change afterPath="$PROJECT_DIR$/day11/day11.go" afterDir="false" />
<change afterPath="$PROJECT_DIR$/day11/day11Test.txt" afterDir="false" />
<change afterPath="$PROJECT_DIR$/day11/day11Test2.txt" afterDir="false" />
<change afterPath="$PROJECT_DIR$/day11/day11Test3.txt" afterDir="false" />
<change afterPath="$PROJECT_DIR$/day11/everythingOccupied.txt" afterDir="false" />
<change afterPath="$PROJECT_DIR$/day12/day12.go" afterDir="false" />
<change afterPath="$PROJECT_DIR$/day12/day12Test.txt" afterDir="false" />
<change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
<change beforePath="$PROJECT_DIR$/helper/helper.go" beforeDir="false" afterPath="$PROJECT_DIR$/helper/helper.go" afterDir="false" />
</list>
@ -58,7 +55,7 @@
<recent name="C:\Users\karls\go\src\AoC2020" />
</key>
</component>
<component name="RunManager" selected="Go Build.go build day11.go">
<component name="RunManager" selected="Go Build.go build day12.go">
<configuration name="go build day10.go" type="GoApplicationRunConfiguration" factoryName="Go Application" nameIsGenerated="true">
<module name="AoC2020" />
<working_directory value="$PROJECT_DIR$/day10" />
@ -79,6 +76,16 @@
<directory value="$PROJECT_DIR$" />
<method v="2" />
</configuration>
<configuration name="go build day12.go" type="GoApplicationRunConfiguration" factoryName="Go Application" temporary="true" nameIsGenerated="true">
<module name="AoC2020" />
<working_directory value="$PROJECT_DIR$/day12" />
<parameters value="day12Input.txt" />
<kind value="FILE" />
<filePath value="$PROJECT_DIR$/day12/day12.go" />
<package value="AoC2020" />
<directory value="$PROJECT_DIR$" />
<method v="2" />
</configuration>
<configuration name="go build day1.go" type="GoApplicationRunConfiguration" factoryName="Go Application" nameIsGenerated="true">
<module name="AoC2020" />
<working_directory value="$PROJECT_DIR$/day1" />
@ -194,9 +201,11 @@
<item itemvalue="Go Build.go build day9.go" />
<item itemvalue="Go Build.go build day10.go" />
<item itemvalue="Go Build.go build day11.go" />
<item itemvalue="Go Build.go build day12.go" />
</list>
<recent_temporary>
<list>
<item itemvalue="Go Build.go build day12.go" />
<item itemvalue="Go Build.go build day1.go" />
</list>
</recent_temporary>
@ -218,11 +227,11 @@
<option name="oldMeFiltersMigrated" value="true" />
</component>
<component name="WindowStateProjectService">
<state x="351" y="0" width="1092" height="1003" key="#com.intellij.execution.impl.EditConfigurationsDialog" timestamp="1607708739295">
<state x="351" y="0" width="1092" height="1027" key="#com.intellij.execution.impl.EditConfigurationsDialog" timestamp="1607788436747">
<screen x="0" y="0" width="1920" height="1040" />
</state>
<state x="-1472" y="103" key="#com.intellij.execution.impl.EditConfigurationsDialog/-1920.0.1920.1040/0.0.1920.1040@-1920.0.1920.1040" timestamp="1607019292652" />
<state x="351" y="0" width="1092" height="1003" key="#com.intellij.execution.impl.EditConfigurationsDialog/-1920.0.1920.1040/0.0.1920.1040@0.0.1920.1040" timestamp="1607708739295" />
<state x="351" y="0" width="1092" height="1027" key="#com.intellij.execution.impl.EditConfigurationsDialog/-1920.0.1920.1040/0.0.1920.1040@0.0.1920.1040" timestamp="1607788436747" />
<state x="661" y="322" key="#com.intellij.fileTypes.FileTypeChooser" timestamp="1606836882379">
<screen x="0" y="0" width="1920" height="1040" />
</state>
@ -231,26 +240,26 @@
<screen x="0" y="0" width="1920" height="1040" />
</state>
<state x="739" y="287" key="FileChooserDialogImpl/-1920.0.1920.1040/0.0.1920.1040@0.0.1920.1040" timestamp="1607278759015" />
<state width="1877" height="386" key="GridCell.Tab.0.bottom" timestamp="1607708721938">
<state width="1877" height="386" key="GridCell.Tab.0.bottom" timestamp="1607788420906">
<screen x="0" y="0" width="1920" height="1040" />
</state>
<state width="1877" height="386" key="GridCell.Tab.0.bottom/-1920.0.1920.1040/0.0.1920.1040@-1920.0.1920.1040" timestamp="1607708629475" />
<state width="1877" height="386" key="GridCell.Tab.0.bottom/-1920.0.1920.1040/0.0.1920.1040@0.0.1920.1040" timestamp="1607708721938" />
<state width="1877" height="386" key="GridCell.Tab.0.center" timestamp="1607708721938">
<state width="1877" height="386" key="GridCell.Tab.0.bottom/-1920.0.1920.1040/0.0.1920.1040@0.0.1920.1040" timestamp="1607788420906" />
<state width="1877" height="386" key="GridCell.Tab.0.center" timestamp="1607788420906">
<screen x="0" y="0" width="1920" height="1040" />
</state>
<state width="1877" height="386" key="GridCell.Tab.0.center/-1920.0.1920.1040/0.0.1920.1040@-1920.0.1920.1040" timestamp="1607708629474" />
<state width="1877" height="386" key="GridCell.Tab.0.center/-1920.0.1920.1040/0.0.1920.1040@0.0.1920.1040" timestamp="1607708721938" />
<state width="1877" height="386" key="GridCell.Tab.0.left" timestamp="1607708721938">
<state width="1877" height="386" key="GridCell.Tab.0.center/-1920.0.1920.1040/0.0.1920.1040@0.0.1920.1040" timestamp="1607788420906" />
<state width="1877" height="386" key="GridCell.Tab.0.left" timestamp="1607788420906">
<screen x="0" y="0" width="1920" height="1040" />
</state>
<state width="1877" height="386" key="GridCell.Tab.0.left/-1920.0.1920.1040/0.0.1920.1040@-1920.0.1920.1040" timestamp="1607708629474" />
<state width="1877" height="386" key="GridCell.Tab.0.left/-1920.0.1920.1040/0.0.1920.1040@0.0.1920.1040" timestamp="1607708721938" />
<state width="1877" height="386" key="GridCell.Tab.0.right" timestamp="1607708721938">
<state width="1877" height="386" key="GridCell.Tab.0.left/-1920.0.1920.1040/0.0.1920.1040@0.0.1920.1040" timestamp="1607788420906" />
<state width="1877" height="386" key="GridCell.Tab.0.right" timestamp="1607788420906">
<screen x="0" y="0" width="1920" height="1040" />
</state>
<state width="1877" height="386" key="GridCell.Tab.0.right/-1920.0.1920.1040/0.0.1920.1040@-1920.0.1920.1040" timestamp="1607708629475" />
<state width="1877" height="386" key="GridCell.Tab.0.right/-1920.0.1920.1040/0.0.1920.1040@0.0.1920.1040" timestamp="1607708721938" />
<state width="1877" height="386" key="GridCell.Tab.0.right/-1920.0.1920.1040/0.0.1920.1040@0.0.1920.1040" timestamp="1607788420906" />
<state x="782" y="240" key="RollbackChangesDialog" timestamp="1607174263188">
<screen x="0" y="0" width="1920" height="1040" />
</state>

141
day12/day12.go
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@ -0,0 +1,141 @@
package main
import (
"AoC2020/helper"
"fmt"
"os"
"strconv"
)
var Pointing rune
func main() {
args := os.Args[1:]
input, err := helper.GetInput(args[0])
if err != nil {
fmt.Println(err)
}
fmt.Printf("%v",input)
runPart2(input)
}
func run(input []string) {
Pointing = 'E'
position := [2]int{0,0}
for _, val := range input {
fmt.Println(val)
position = move(position,val)
fmt.Printf("Positon %v, Direction %v \n", position, string(Pointing))
}
}
func runPart2(input []string) {
positionBoat := [2]int{0,0}
positionWayPoint := [2]int{10,1}
for _, val := range input {
fmt.Println(val)
positionBoat, positionWayPoint = movePart2(positionBoat,positionWayPoint,val)
fmt.Printf("PositonBoat: %v, PositionWaypoint %v \n", positionBoat, positionWayPoint)
}
}
func move(position [2]int, command string) [2]int{
direction := rune(command[0])
distance, _ := strconv.Atoi(command[1:])
if direction == 'L' || direction == 'R' {
Pointing = turnByDegree(Pointing,direction,distance)
return position
}
if direction == 'F'{
newCommand := string(Pointing) + command[1:]
return move(position,newCommand)
}
return moveCompass(position,direction,distance)
}
func movePart2(positionBoat [2]int, positionWayPoint [2]int, command string) ([2]int, [2]int){
direction := rune(command[0])
if direction == 'F'{
distance, _ := strconv.Atoi(command[1:])
var newPositionBoat [2]int
newPositionBoat[0] = positionBoat[0] + distance * positionWayPoint[0]
newPositionBoat[1] = positionBoat[1] + distance * positionWayPoint[1]
positionBoat = newPositionBoat
}else {
newPositionWaypoint := moveWayPoint(positionWayPoint,command)
positionWayPoint = newPositionWaypoint
}
return positionBoat, positionWayPoint
}
func moveCompass(position [2]int, direction rune, distance int) [2]int {
switch direction {
case 'N':return [2]int{position[0], position[1] + distance}
case 'S':return [2]int{position[0], position[1] - distance}
case 'E':return [2]int{position[0] + distance, position[1]}
case 'W':return [2]int{position[0] - distance, position[1]}
}
return position
}
func moveWayPoint(position [2]int, command string) [2]int {
direction := rune(command[0])
distance, _ := strconv.Atoi(command[1:])
if direction == 'L' || direction == 'R' {
return turnWayPoint(position,direction,distance)
}
return moveCompass(position,direction,distance)
}
func turnWayPoint(position [2]int,turn rune, degree int) [2]int {
p0 := position[0]
p1 := position[1]
var newDs = make([]rune,2)
if p0 > 0 {
newDs[0] = turnByDegree('E', turn, degree)
}else {
newDs[0] = turnByDegree('W', turn, degree)
}
if p1 > 0 {
newDs[1] = turnByDegree('N', turn, degree)
}else {
newDs[1] = turnByDegree('S', turn, degree)
}
var newPosition [2]int
for i,val := range newDs {
switch val {
case 'N': newPosition[1] = Abs(position[i])
case 'S': newPosition[1] = -Abs(position[i])
case 'E': newPosition[0] = Abs(position[i])
case 'W': newPosition[0] = -Abs(position[i])
}
}
return newPosition
}
func turnByDegree(pointing rune, turn rune, degree int) rune {
directions := []rune{'N','E','S','W'}
move := degree / 90
if turn == 'L' {
move = -1 * move
}
for i, val := range directions {
if val == pointing {
newDirectionPointer := (i + move) % len(directions)
if newDirectionPointer < 0 {
newDirectionPointer = len(directions) + newDirectionPointer
}
return directions[newDirectionPointer]
}
}
return pointing
}
func Abs(x int) int {
if x < 0 {
return -x
}
return x
}

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day12/day12Input.txt
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5
day12/day12Test.txt
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F10
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F11
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