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AoC2020
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Day23 Part 1

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master
Karl Spickermann 3 years ago
parent 5dd123ea97
commit e572ed1862
3 changed files with 151 additions and 37 deletions
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72
.idea/workspace.xml
Unescape View File

@ -11,9 +11,7 @@
</component>
<component name="ChangeListManager">
<list default="true" id="400bdf61-8921-41d3-8f98-a0a1b0877f46" name="Default Changelist" comment="">
<change afterPath="$PROJECT_DIR$/day22/day22.go" afterDir="false" />
<change afterPath="$PROJECT_DIR$/day22/day22Test.txt" afterDir="false" />
<change afterPath="$PROJECT_DIR$/day22/day22Test2.txt" afterDir="false" />
<change afterPath="$PROJECT_DIR$/day23/day23.go" 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>
@ -56,7 +54,7 @@
<recent name="C:\Users\karls\go\src\AoC2020" />
</key>
</component>
<component name="RunManager" selected="Go Build.go build day22.go">
<component name="RunManager" selected="Go Build.go build day23.go">
<configuration name="go build day10.go" type="GoApplicationRunConfiguration" factoryName="Go Application" nameIsGenerated="true">
<module name="AoC2020" />
<working_directory value="$PROJECT_DIR$/day10" />
@ -197,6 +195,16 @@
<directory value="$PROJECT_DIR$" />
<method v="2" />
</configuration>
<configuration name="go build day23.go" type="GoApplicationRunConfiguration" factoryName="Go Application" nameIsGenerated="true">
<module name="AoC2020" />
<working_directory value="$PROJECT_DIR$/day23" />
<parameters value="318946572" />
<kind value="FILE" />
<filePath value="$PROJECT_DIR$/day23/day23.go" />
<package value="AoC2020" />
<directory value="$PROJECT_DIR$" />
<method v="2" />
</configuration>
<configuration name="go build day2.go" type="GoApplicationRunConfiguration" factoryName="Go Application" nameIsGenerated="true">
<module name="AoC2020" />
<working_directory value="$PROJECT_DIR$/day2" />
@ -301,6 +309,7 @@
<item itemvalue="Go Build.go build day17.go" />
<item itemvalue="Go Build.go build day20.go" />
<item itemvalue="Go Build.go build day22.go" />
<item itemvalue="Go Build.go build day23.go" />
</list>
<recent_temporary>
<list>
@ -325,59 +334,59 @@
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@ -394,24 +403,13 @@
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<url>file://$PROJECT_DIR$/day22/day22.go</url>
<line>115</line>
<option name="timeStamp" value="20" />
</line-breakpoint>
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</project>

107
day23/day23.go
Unescape View File

@ -0,0 +1,107 @@
package main
import (
"fmt"
"os"
"strconv"
)
type Cup struct {
Number int
Next *Cup
}
func main() {
args := os.Args[1:]
input := args[0]
var cups = make(map[int]*Cup)
fmt.Println(input)
for _, val := range input{
number,_ := strconv.Atoi(string(val))
cups[number] = &Cup{Number: number}
}
for id, val := range input {
number,_ := strconv.Atoi(string(val))
nextNumber, _ := strconv.Atoi(string(input[(id+1)%len(input)]))
cups[number].Next = cups[nextNumber]
}
var inputNumbers []int
for _, val := range input{
number,_ := strconv.Atoi(string(val))
inputNumbers = append(inputNumbers,number)
}
min, max := minMax(inputNumbers)
iteration := 0
currentCup := cups[inputNumbers[0]]
for iteration < 100 {
fmt.Println(currentCup.Number)
threeCupStart := currentCup.Next
threeCupEnd := threeCupStart.Next.Next
currentCup.Next = threeCupEnd.Next
destination := currentCup.Number-1
for {
if destination < min {
destination = max
}
if destination != threeCupStart.Number &&
destination != threeCupStart.Next.Number &&
destination != threeCupEnd.Number {
break
}
destination--
}
destinationCup := cups[destination]
destinationNext := destinationCup.Next
destinationCup.Next = threeCupStart
threeCupEnd.Next = destinationNext
currentCup = currentCup.Next
iteration++
}
s := ""
cup := cups[1].Next
for cup != cups[1] {
s += fmt.Sprint(cup.Number)
cup = cup.Next
}
fmt.Println(s)
}
func runRound(cups *[]int){
}
func moveElement(cups *[]int, from int, to int) {
indexToRemove := from
indexWhereToInsert := to
val := (*cups) [indexToRemove]
(*cups) = append((*cups)[:indexToRemove], (*cups)[indexToRemove+1:]...)
fmt.Println("cups:", (*cups))
newSlice := make([]int, indexWhereToInsert+1)
copy(newSlice,(*cups)[:indexWhereToInsert])
newSlice[indexWhereToInsert]=val
fmt.Println("newSlice:", newSlice)
fmt.Println("cups:", (*cups))
(*cups) = append(newSlice, (*cups)[indexWhereToInsert:]...)
fmt.Println("cups:", (*cups))
}
func minMax(input[]int) (int, int){
var max int
var min int
for i, val := range input {
if i==0 || val < min {
min = val
}
if i==0 || val > max {
max = val
}
}
return min,max
}

9
helper/helper.go
Unescape View File

@ -81,3 +81,12 @@ func Equal(a, b []int) bool {
}
return true
}
func Contains(elem int, array []int) bool{
for _, val := range array{
if val == elem{
return true
}
}
return false
}

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