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AoC2020
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Day9

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master
Karl Spickermann 3 years ago
parent bcacad9d15
commit 5e81d05091
6 changed files with 1192 additions and 35 deletions
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89
.idea/workspace.xml
Unescape View File

@ -11,8 +11,11 @@
</component>
<component name="ChangeListManager">
<list default="true" id="400bdf61-8921-41d3-8f98-a0a1b0877f46" name="Default Changelist" comment="">
<change beforePath="$PROJECT_DIR$/day2/day2.go" beforeDir="false" afterPath="$PROJECT_DIR$/day2/day2.go" afterDir="false" />
<change beforePath="$PROJECT_DIR$/day3/day3.go" beforeDir="false" afterPath="$PROJECT_DIR$/day3/day3.go" afterDir="false" />
<change afterPath="$PROJECT_DIR$/day9/day9.go" afterDir="false" />
<change afterPath="$PROJECT_DIR$/day9/day9Test.txt" afterDir="false" />
<change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
<change beforePath="$PROJECT_DIR$/day1/day1.go" beforeDir="false" afterPath="$PROJECT_DIR$/day1/day1.go" afterDir="false" />
<change beforePath="$PROJECT_DIR$/helper/readFile.go" beforeDir="false" afterPath="$PROJECT_DIR$/helper/helper.go" afterDir="false" />
</list>
<option name="SHOW_DIALOG" value="false" />
<option name="HIGHLIGHT_CONFLICTS" value="true" />
@ -44,7 +47,7 @@
<property name="configurable.Project.GOPATH.is.expanded" value="true" />
<property name="go.import.settings.migrated" value="true" />
<property name="go.sdk.automatically.set" value="true" />
<property name="last_opened_file_path" value="$PROJECT_DIR$/day3" />
<property name="last_opened_file_path" value="$PROJECT_DIR$/day6" />
<property name="settings.editor.selected.configurable" value="com.goide.configuration.GoLibrariesConfigurableProvider" />
</component>
<component name="RecentsManager">
@ -53,7 +56,7 @@
<recent name="C:\Users\karls\go\src\AoC2020" />
</key>
</component>
<component name="RunManager" selected="Go Build.go build day5.go">
<component name="RunManager" selected="Go Build.go build day9.go">
<configuration name="go build day1.go" type="GoApplicationRunConfiguration" factoryName="Go Application" nameIsGenerated="true">
<module name="AoC2020" />
<working_directory value="$PROJECT_DIR$/day1" />
@ -109,7 +112,7 @@
<configuration name="go build day5.go" type="GoApplicationRunConfiguration" factoryName="Go Application" nameIsGenerated="true">
<module name="AoC2020" />
<working_directory value="$PROJECT_DIR$/day5" />
<parameters value="&quot;BFFFBBFRRR&quot;" />
<parameters value="day5Input.txt" />
<kind value="FILE" />
<filePath value="$PROJECT_DIR$/day5/day5.go" />
<package value="AoC2020" />
@ -117,12 +120,56 @@
<output_directory value="$PROJECT_DIR$/day5" />
<method v="2" />
</configuration>
<configuration name="go build day6.go" type="GoApplicationRunConfiguration" factoryName="Go Application" nameIsGenerated="true">
<module name="AoC2020" />
<working_directory value="$PROJECT_DIR$/day6" />
<parameters value="day6Input.txt" />
<kind value="FILE" />
<filePath value="$PROJECT_DIR$/day6/day6.go" />
<package value="AoC2020" />
<directory value="$PROJECT_DIR$" />
<method v="2" />
</configuration>
<configuration name="go build day7.go" type="GoApplicationRunConfiguration" factoryName="Go Application" nameIsGenerated="true">
<module name="AoC2020" />
<working_directory value="$PROJECT_DIR$/day7" />
<parameters value="day7Input.txt" />
<kind value="FILE" />
<filePath value="$PROJECT_DIR$/day7/day7.go" />
<package value="AoC2020" />
<directory value="$PROJECT_DIR$" />
<method v="2" />
</configuration>
<configuration name="go build day8.go" type="GoApplicationRunConfiguration" factoryName="Go Application" nameIsGenerated="true">
<module name="AoC2020" />
<working_directory value="$PROJECT_DIR$/day8" />
<parameters value="day8Input.txt" />
<kind value="FILE" />
<filePath value="$PROJECT_DIR$/day8/day8.go" />
<package value="AoC2020" />
<directory value="$PROJECT_DIR$" />
<method v="2" />
</configuration>
<configuration name="go build day9.go" type="GoApplicationRunConfiguration" factoryName="Go Application" nameIsGenerated="true">
<module name="AoC2020" />
<working_directory value="$PROJECT_DIR$/day9" />
<parameters value="day9Input.txt" />
<kind value="FILE" />
<filePath value="$PROJECT_DIR$/day9/day9.go" />
<package value="AoC2020" />
<directory value="$PROJECT_DIR$" />
<method v="2" />
</configuration>
<list>
<item itemvalue="Go Build.go build day1.go" />
<item itemvalue="Go Build.go build day2.go" />
<item itemvalue="Go Build.go build day3.go" />
<item itemvalue="Go Build.go build day4.go" />
<item itemvalue="Go Build.go build day5.go" />
<item itemvalue="Go Build.go build day7.go" />
<item itemvalue="Go Build.go build day6.go" />
<item itemvalue="Go Build.go build day8.go" />
<item itemvalue="Go Build.go build day9.go" />
</list>
<recent_temporary>
<list>
@ -147,39 +194,39 @@
<option name="oldMeFiltersMigrated" value="true" />
</component>
<component name="WindowStateProjectService">
<state x="448" y="103" width="1092" height="859" key="#com.intellij.execution.impl.EditConfigurationsDialog" timestamp="1607175613035">
<state x="351" y="0" width="1092" height="955" key="#com.intellij.execution.impl.EditConfigurationsDialog" timestamp="1607534020287">
<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="448" y="103" width="1092" height="859" key="#com.intellij.execution.impl.EditConfigurationsDialog/-1920.0.1920.1040/0.0.1920.1040@0.0.1920.1040" timestamp="1607175613035" />
<state x="351" y="0" width="1092" height="955" key="#com.intellij.execution.impl.EditConfigurationsDialog/-1920.0.1920.1040/0.0.1920.1040@0.0.1920.1040" timestamp="1607534020287" />
<state x="661" y="322" key="#com.intellij.fileTypes.FileTypeChooser" timestamp="1606836882379">
<screen x="0" y="0" width="1920" height="1040" />
</state>
<state x="661" y="322" key="#com.intellij.fileTypes.FileTypeChooser/-1920.0.1920.1040/0.0.1920.1040@0.0.1920.1040" timestamp="1606836882379" />
<state x="739" y="287" key="FileChooserDialogImpl" timestamp="1607016918790">
<state x="739" y="287" key="FileChooserDialogImpl" timestamp="1607278759015">
<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="1607016918790" />
<state width="1877" height="304" key="GridCell.Tab.0.bottom" timestamp="1607175589852">
<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="266" key="GridCell.Tab.0.bottom" timestamp="1607533993744">
<screen x="0" y="0" width="1920" height="1040" />
</state>
<state width="1877" height="304" key="GridCell.Tab.0.bottom/-1920.0.1920.1040/0.0.1920.1040@-1920.0.1920.1040" timestamp="1607175230302" />
<state width="1877" height="304" key="GridCell.Tab.0.bottom/-1920.0.1920.1040/0.0.1920.1040@0.0.1920.1040" timestamp="1607175589852" />
<state width="1877" height="304" key="GridCell.Tab.0.center" timestamp="1607175589852">
<state width="1877" height="266" key="GridCell.Tab.0.bottom/-1920.0.1920.1040/0.0.1920.1040@0.0.1920.1040" timestamp="1607533993744" />
<state width="1877" height="266" key="GridCell.Tab.0.center" timestamp="1607533993744">
<screen x="0" y="0" width="1920" height="1040" />
</state>
<state width="1877" height="304" key="GridCell.Tab.0.center/-1920.0.1920.1040/0.0.1920.1040@-1920.0.1920.1040" timestamp="1607175230302" />
<state width="1877" height="304" key="GridCell.Tab.0.center/-1920.0.1920.1040/0.0.1920.1040@0.0.1920.1040" timestamp="1607175589852" />
<state width="1877" height="304" key="GridCell.Tab.0.left" timestamp="1607175589852">
<state width="1877" height="266" key="GridCell.Tab.0.center/-1920.0.1920.1040/0.0.1920.1040@0.0.1920.1040" timestamp="1607533993744" />
<state width="1877" height="266" key="GridCell.Tab.0.left" timestamp="1607533993743">
<screen x="0" y="0" width="1920" height="1040" />
</state>
<state width="1877" height="304" key="GridCell.Tab.0.left/-1920.0.1920.1040/0.0.1920.1040@-1920.0.1920.1040" timestamp="1607175230302" />
<state width="1877" height="304" key="GridCell.Tab.0.left/-1920.0.1920.1040/0.0.1920.1040@0.0.1920.1040" timestamp="1607175589852" />
<state width="1877" height="304" key="GridCell.Tab.0.right" timestamp="1607175589852">
<state width="1877" height="266" key="GridCell.Tab.0.left/-1920.0.1920.1040/0.0.1920.1040@0.0.1920.1040" timestamp="1607533993743" />
<state width="1877" height="266" key="GridCell.Tab.0.right" timestamp="1607533993744">
<screen x="0" y="0" width="1920" height="1040" />
</state>
<state width="1877" height="304" key="GridCell.Tab.0.right/-1920.0.1920.1040/0.0.1920.1040@-1920.0.1920.1040" timestamp="1607175230302" />
<state width="1877" height="304" key="GridCell.Tab.0.right/-1920.0.1920.1040/0.0.1920.1040@0.0.1920.1040" timestamp="1607175589852" />
<state width="1877" height="266" key="GridCell.Tab.0.right/-1920.0.1920.1040/0.0.1920.1040@0.0.1920.1040" timestamp="1607533993744" />
<state x="782" y="240" key="RollbackChangesDialog" timestamp="1607174263188">
<screen x="0" y="0" width="1920" height="1040" />
</state>
@ -188,10 +235,14 @@
<screen x="0" y="0" width="1920" height="1040" />
</state>
<state x="461" y="165" key="SettingsEditor/-1920.0.1920.1040/0.0.1920.1040@0.0.1920.1040" timestamp="1607081830252" />
<state x="92" y="92" width="1736" height="856" key="com.intellij.history.integration.ui.views.FileHistoryDialog" timestamp="1607174299439">
<state x="92" y="92" width="1736" height="856" key="com.intellij.history.integration.ui.views.FileHistoryDialog" timestamp="1607177137138">
<screen x="0" y="0" width="1920" height="1040" />
</state>
<state x="92" y="92" width="1736" height="856" key="com.intellij.history.integration.ui.views.FileHistoryDialog/-1920.0.1920.1040/0.0.1920.1040@0.0.1920.1040" timestamp="1607177137138" />
<state x="593" y="141" width="585" height="801" key="find.popup" timestamp="1607533841136">
<screen x="0" y="0" width="1920" height="1040" />
</state>
<state x="92" y="92" width="1736" height="856" key="com.intellij.history.integration.ui.views.FileHistoryDialog/-1920.0.1920.1040/0.0.1920.1040@0.0.1920.1040" timestamp="1607174299439" />
<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="1607533841136" />
<state x="623" y="225" width="672" height="678" key="search.everywhere.popup" timestamp="1607081728725">
<screen x="0" y="0" width="1920" height="1040" />
</state>

22
day1/day1.go
Unescape View File

@ -19,26 +19,16 @@ func main() {
if err != nil {
fmt.Println(err)
}
fmt.Println(day1(numbers))
fmt.Println(day1(numbers, 2020))
fmt.Println(day1_part2(numbers))
}
func day1(numbers []int) int {
goal := 2020
sort.Ints(numbers)
p1 := 0
p2 := len(numbers) - 1
for {
if numbers[p1]+numbers[p2] < goal {
p1++
}
if numbers[p1]+numbers[p2] > goal {
p2--
}
if numbers[p1]+numbers[p2] == goal {
return numbers[p1] * numbers[p2]
}
func day1(numbers []int, goal int) int {
add1, add2, err := helper.FindAddendsForSum(numbers,goal)
if err != nil {
return 0
}
return add1 * add2
}
func day1_part2(numbers []int) (int, error) {

74
day9/day9.go
Unescape View File

@ -0,0 +1,74 @@
package main
import (
"AoC2020/helper"
"fmt"
"os"
)
var pointer int
var band []int
func main() {
args := os.Args[1:]
input, err := helper.GetInput(args[0])
if err != nil {
fmt.Println(err)
}
numbers, err := helper.MapToNumber(input)
if err != nil {
fmt.Println(err)
}
fmt.Printf("%v \n",numbers)
band = numbers
breaker := part1(25)
fmt.Println(breaker)
fmt.Print(part2(breaker))
}
func part1(preambleLen int) int{
pointer = preambleLen
isValid := true
for isValid {
_,_,err := helper.FindAddendsForSum(band[pointer-preambleLen:pointer],band[pointer])
if err != nil {
return band[pointer]
isValid = false
}
pointer++
}
return 0
}
func part2(breaker int) int{
for p1 := 0; p1 < len(band); p1++ {
for p2 := p1 + 1; p2 < len(band); p2++ {
array := make([]int, len(band[p1:p2]))
copy(array,band[p1:p2])
sumArray := 0
for _,value := range array {
sumArray += value
}
if sumArray == breaker {
fmt.Printf("%v \n" ,array)
var max int
var min int
for i, val := range array {
if i==0 || val < min {
min = val
}
if i==0 || val > max {
max = val
}
}
fmt.Printf("%d , %d \n" ,min, max)
return min + max
}
}
}
return 0
}
func run(preambleLen int) {
}

1000
day9/day9Input.txt
View File

File diff suppressed because it is too large Load Diff

20
day9/day9Test.txt
Unescape View File

@ -0,0 +1,20 @@
35
20
15
25
47
40
62
55
65
95
102
117
150
182
127
219
299
277
309
576

22
helper/readFile.go → helper/helper.go
Unescape View File

@ -1,7 +1,9 @@
package helper
import (
"errors"
"io/ioutil"
"sort"
"strconv"
"strings"
)
@ -34,3 +36,23 @@ func MapToNumber(strings []string) ([]int, error) {
}
return numbers, nil
}
func FindAddendsForSum (possibleAddends []int, sum int) (int, int, error) {
var array = make([]int,len(possibleAddends))
copy(array,possibleAddends)
sort.Ints(array)
p1 := 0
p2 := len(array) - 1
for p1 < p2 {
if array[p1]+array[p2] < sum {
p1++
}
if array[p1]+array[p2] > sum {
p2--
}
if array[p1]+array[p2] == sum {
return array[p1] , array[p2], nil
}
}
return 0,0,errors.New("No fitting Addends found")
}
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