Day20 Part1
This commit is contained in:
Karl Spickermann
parent
b315cdff0e
commit
7961849040
@ -11,8 +11,8 @@
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</component>
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<component name="ChangeListManager">
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<list default="true" id="400bdf61-8921-41d3-8f98-a0a1b0877f46" name="Default Changelist" comment="">
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||||
<change afterPath="$PROJECT_DIR$/day19/day19.go" afterDir="false" />
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<change afterPath="$PROJECT_DIR$/day19/day19Test.txt" afterDir="false" />
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<change afterPath="$PROJECT_DIR$/day20/day20.go" afterDir="false" />
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||||
<change afterPath="$PROJECT_DIR$/day20/day20Test.txt" afterDir="false" />
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||||
<change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
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</list>
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<option name="SHOW_DIALOG" value="false" />
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@ -54,7 +54,7 @@
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<recent name="C:\Users\karls\go\src\AoC2020" />
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</key>
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</component>
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<component name="RunManager" selected="Go Build.go build day19.go">
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<component name="RunManager" selected="Go Build.go build day20.go">
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<configuration name="go build day10.go" type="GoApplicationRunConfiguration" factoryName="Go Application" nameIsGenerated="true">
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<module name="AoC2020" />
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<working_directory value="$PROJECT_DIR$/day10" />
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@ -124,7 +124,7 @@
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<directory value="$PROJECT_DIR$" />
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<method v="2" />
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</configuration>
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<configuration name="go build day17.go" type="GoApplicationRunConfiguration" factoryName="Go Application" temporary="true" nameIsGenerated="true">
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<configuration name="go build day17.go" type="GoApplicationRunConfiguration" factoryName="Go Application" nameIsGenerated="true">
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<module name="AoC2020" />
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<working_directory value="$PROJECT_DIR$/day17" />
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<parameters value="day17Input.txt" />
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@ -175,6 +175,16 @@
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<output_directory value="$PROJECT_DIR$/day1" />
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<method v="2" />
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</configuration>
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<configuration name="go build day20.go" type="GoApplicationRunConfiguration" factoryName="Go Application" nameIsGenerated="true">
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<module name="AoC2020" />
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<working_directory value="$PROJECT_DIR$/day20" />
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<parameters value="day20Input.txt" />
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<kind value="FILE" />
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<filePath value="$PROJECT_DIR$/day20/day20.go" />
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<package value="AoC2020" />
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<directory value="$PROJECT_DIR$" />
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<method v="2" />
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</configuration>
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<configuration name="go build day2.go" type="GoApplicationRunConfiguration" factoryName="Go Application" nameIsGenerated="true">
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<module name="AoC2020" />
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<working_directory value="$PROJECT_DIR$/day2" />
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@ -277,10 +287,10 @@
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<item itemvalue="Go Build.go build day18.go" />
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<item itemvalue="Go Build.go build day19.go" />
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<item itemvalue="Go Build.go build day17.go" />
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<item itemvalue="Go Build.go build day20.go" />
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</list>
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<recent_temporary>
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<list>
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<item itemvalue="Go Build.go build day17.go" />
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<item itemvalue="Go Build.go build day1.go" />
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</list>
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</recent_temporary>
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@ -302,11 +312,11 @@
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<option name="oldMeFiltersMigrated" value="true" />
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</component>
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<component name="WindowStateProjectService">
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<state x="351" y="0" width="1092" height="1040" key="#com.intellij.execution.impl.EditConfigurationsDialog" timestamp="1608420472026">
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<state x="351" y="0" width="1092" height="1040" key="#com.intellij.execution.impl.EditConfigurationsDialog" timestamp="1608477052965">
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<screen x="0" y="0" width="1920" height="1040" />
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</state>
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<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" />
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<state x="351" y="0" width="1092" height="1040" key="#com.intellij.execution.impl.EditConfigurationsDialog/-1920.0.1920.1040/0.0.1920.1040@0.0.1920.1040" timestamp="1608420472026" />
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<state x="351" y="0" width="1092" height="1040" key="#com.intellij.execution.impl.EditConfigurationsDialog/-1920.0.1920.1040/0.0.1920.1040@0.0.1920.1040" timestamp="1608477052965" />
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<state x="661" y="322" key="#com.intellij.fileTypes.FileTypeChooser" timestamp="1606836882379">
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<screen x="0" y="0" width="1920" height="1040" />
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</state>
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@ -315,30 +325,30 @@
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<screen x="0" y="0" width="1920" height="1040" />
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</state>
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<state x="739" y="287" key="FileChooserDialogImpl/-1920.0.1920.1040/0.0.1920.1040@0.0.1920.1040" timestamp="1607278759015" />
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<state width="1173" height="303" key="GridCell.Tab.0.bottom" timestamp="1608421505598">
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<state width="1172" height="347" key="GridCell.Tab.0.bottom" timestamp="1608480561089">
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<screen x="0" y="0" width="1920" height="1040" />
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</state>
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<state width="1877" height="386" key="GridCell.Tab.0.bottom/-1920.0.1920.1040/0.0.1920.1040@-1920.0.1920.1040" timestamp="1607708629475" />
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<state width="1173" height="303" key="GridCell.Tab.0.bottom/-1920.0.1920.1040/0.0.1920.1040@0.0.1920.1040" timestamp="1608421505598" />
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<state width="1173" height="303" key="GridCell.Tab.0.center" timestamp="1608421505598">
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<state width="1172" height="347" key="GridCell.Tab.0.bottom/-1920.0.1920.1040/0.0.1920.1040@0.0.1920.1040" timestamp="1608480561089" />
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<state width="1172" height="347" key="GridCell.Tab.0.center" timestamp="1608480561089">
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<screen x="0" y="0" width="1920" height="1040" />
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</state>
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<state width="1877" height="386" key="GridCell.Tab.0.center/-1920.0.1920.1040/0.0.1920.1040@-1920.0.1920.1040" timestamp="1607708629474" />
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<state width="1173" height="303" key="GridCell.Tab.0.center/-1920.0.1920.1040/0.0.1920.1040@0.0.1920.1040" timestamp="1608421505598" />
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<state width="1173" height="303" key="GridCell.Tab.0.left" timestamp="1608421505598">
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<state width="1172" height="347" key="GridCell.Tab.0.center/-1920.0.1920.1040/0.0.1920.1040@0.0.1920.1040" timestamp="1608480561089" />
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<state width="1172" height="347" key="GridCell.Tab.0.left" timestamp="1608480561089">
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<state width="1173" height="303" key="GridCell.Tab.0.left/-1920.0.1920.1040/0.0.1920.1040@0.0.1920.1040" timestamp="1608421505598" />
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<state width="1172" height="347" key="GridCell.Tab.0.left/-1920.0.1920.1040/0.0.1920.1040@0.0.1920.1040" timestamp="1608480561089" />
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<state width="1172" height="347" key="GridCell.Tab.0.right" timestamp="1608480561089">
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<screen x="0" y="0" width="1920" height="1040" />
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</state>
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<state width="1877" height="386" key="GridCell.Tab.0.right/-1920.0.1920.1040/0.0.1920.1040@-1920.0.1920.1040" timestamp="1607708629475" />
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<state width="1173" height="303" key="GridCell.Tab.0.right/-1920.0.1920.1040/0.0.1920.1040@0.0.1920.1040" timestamp="1608421505598" />
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<state x="782" y="240" key="RollbackChangesDialog" timestamp="1608474837005">
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<state x="782" y="240" key="RollbackChangesDialog/-1920.0.1920.1040/0.0.1920.1040@0.0.1920.1040" timestamp="1607174263188" />
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<state x="782" y="240" key="RollbackChangesDialog/-1920.0.1920.1040/0.0.1920.1040@0.0.1920.1040" timestamp="1608474837005" />
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@ -351,10 +361,10 @@
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<screen x="0" y="0" width="1920" height="1040" />
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</state>
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<state x="92" y="92" width="1736" height="856" key="com.intellij.history.integration.ui.views.SelectionHistoryDialog/-1920.0.1920.1040/0.0.1920.1040@0.0.1920.1040" timestamp="1608112646663" />
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<state x="593" y="141" width="585" height="801" key="find.popup" timestamp="1608417937072">
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<state x="593" y="141" width="585" height="801" key="find.popup" timestamp="1608475300269">
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<screen x="0" y="0" width="1920" height="1040" />
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</state>
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<state x="593" y="141" width="585" height="801" key="find.popup/-1920.0.1920.1040/0.0.1920.1040@0.0.1920.1040" timestamp="1608417937072" />
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<state x="593" y="141" width="585" height="801" key="find.popup/-1920.0.1920.1040/0.0.1920.1040@0.0.1920.1040" timestamp="1608475300269" />
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<state x="623" y="225" width="672" height="678" key="search.everywhere.popup" timestamp="1608045273455">
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<screen x="0" y="0" width="1920" height="1040" />
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</state>
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111
day20/day20.go
Normal file
111
day20/day20.go
Normal file
@ -0,0 +1,111 @@
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package main
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import (
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"AoC2020/helper"
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"fmt"
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"os"
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"regexp"
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"strconv"
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"strings"
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)
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var lineBreak = "\n"
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type tile struct {
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neighbourID [4]int
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edges [4]string
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}
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func main() {
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args := os.Args[1:]
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input, err := helper.GetFile(args[0])
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if err != nil {
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fmt.Println(err)
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}
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tileInput := strings.Split(input, lineBreak+lineBreak)
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fmt.Println(len(tileInput))
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tiles := getTiles(tileInput)
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corners := findCorners(tiles)
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fmt.Println(corners)
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product := corners[0]
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for _,val := range corners[1:]{
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product *= val
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}
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fmt.Println(product)
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}
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func getTiles(input []string) map[int][4]string{
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var tiles = make(map[int][4]string)
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for _, val := range input {
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id, edges := getTile(val)
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fmt.Printf("ID:%v \n",id )
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tiles[id] = edges
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}
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return tiles
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}
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func getTile(input string) (int, [4]string) {
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tilesRow := strings.Split(input, lineBreak)
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var edges [4]string
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edges[0] = tilesRow[1]
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edges[2] = tilesRow[len(tilesRow)-1]
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for _, val := range tilesRow[1:] {
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edges[3] = edges[3]+val[0:1]
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edges[1] = edges[1]+val[len(val)-1:]
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}
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r, _ := regexp.Compile("[0-9]{4}")
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number, _ := strconv.Atoi(r.FindString(tilesRow[0]))
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return number, edges
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}
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func getAllEdges(tiles map[int][4]string, id int) []string{
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var edges []string
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for key,val := range tiles {
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if key != id {
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for _, edge := range val {
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edges = append(edges, edge)
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edges = append(edges, reverse(edge))
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}
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}
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}
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return edges
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}
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func findCorners(tiles map[int][4]string) []int{
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var cornerIds []int
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for key,val := range tiles{
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edgesOfOtherTiles := getAllEdges(tiles,key)
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fmt.Printf("ID: %v, MatchingEdges: %v \n",key,countMatchingEges(edgesOfOtherTiles,val))
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if countMatchingEges(edgesOfOtherTiles,val) <= 2{
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cornerIds= append(cornerIds,key)
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}
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}
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return cornerIds
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}
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func countMatchingEges(allEdges []string, tileEdges [4]string) int{
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count := 0
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for _, val := range tileEdges{
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if hasMatchingEdge(allEdges,val){
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count ++
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}
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}
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return count
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}
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func hasMatchingEdge(edges []string, edge string) bool {
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for _, val := range edges {
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if val == edge{
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return true
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}
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}
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return false
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}
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func reverse(s string) string {
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runes := []rune(s)
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for i, j := 0, len(runes)-1; i < j; i, j = i+1, j-1 {
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runes[i], runes[j] = runes[j], runes[i]
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}
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return string(runes)
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}
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1727
day20/day20Input.txt
Normal file
1727
day20/day20Input.txt
Normal file
File diff suppressed because it is too large
Load Diff
107
day20/day20Test.txt
Normal file
107
day20/day20Test.txt
Normal file
@ -0,0 +1,107 @@
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Tile 2311:
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..##.#..#.
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##..#.....
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#...##..#.
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####.#...#
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##.##.###.
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##...#.###
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.#.#.#..##
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..#....#..
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###...#.#.
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..###..###
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Tile 1951:
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#.##...##.
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#.####...#
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.....#..##
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#...######
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.##.#....#
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.###.#####
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###.##.##.
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.###....#.
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..#.#..#.#
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#...##.#..
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Tile 1171:
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####...##.
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#..##.#..#
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##.#..#.#.
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.###.####.
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..###.####
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.##....##.
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.#...####.
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#.##.####.
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####..#...
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.....##...
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Tile 1427:
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###.##.#..
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.#..#.##..
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.#.##.#..#
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#.#.#.##.#
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||||
....#...##
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||||
...##..##.
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||||
...#.#####
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.#.####.#.
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..#..###.#
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..##.#..#.
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Tile 1489:
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##.#.#....
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..##...#..
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.##..##...
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..#...#...
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#####...#.
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||||
#..#.#.#.#
|
||||
...#.#.#..
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##.#...##.
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..##.##.##
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###.##.#..
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Tile 2473:
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#....####.
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#..#.##...
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#.##..#...
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######.#.#
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.#...#.#.#
|
||||
.#########
|
||||
.###.#..#.
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########.#
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##...##.#.
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..###.#.#.
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Tile 2971:
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..#.#....#
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#...###...
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#.#.###...
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##.##..#..
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.#####..##
|
||||
.#..####.#
|
||||
#..#.#..#.
|
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..####.###
|
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..#.#.###.
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...#.#.#.#
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Tile 2729:
|
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...#.#.#.#
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||||
####.#....
|
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..#.#.....
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....#..#.#
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.##..##.#.
|
||||
.#.####...
|
||||
####.#.#..
|
||||
##.####...
|
||||
##..#.##..
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||||
#.##...##.
|
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|
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Tile 3079:
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#.#.#####.
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||||
.#..######
|
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..#.......
|
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######....
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####.#..#.
|
||||
.#...#.##.
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#.#####.##
|
||||
..#.###...
|
||||
..#.......
|
||||
..#.###...
|
||||
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