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Initial project setup + Day 1

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Bas Dado
2019-12-01 20:36:17 +01:00
commit 40355f34d2
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# Created by https://www.gitignore.io/api/maven,kotlin,intellij
# Edit at https://www.gitignore.io/?templates=maven,kotlin,intellij
### Intellij ###
# Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio and WebStorm
# Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839
# User-specific stuff
.idea/**/workspace.xml
.idea/**/tasks.xml
.idea/**/usage.statistics.xml
.idea/**/dictionaries
.idea/**/shelf
# Generated files
.idea/**/contentModel.xml
# Sensitive or high-churn files
.idea/**/dataSources/
.idea/**/dataSources.ids
.idea/**/dataSources.local.xml
.idea/**/sqlDataSources.xml
.idea/**/dynamic.xml
.idea/**/uiDesigner.xml
.idea/**/dbnavigator.xml
# Gradle
.idea/**/gradle.xml
.idea/**/libraries
# Gradle and Maven with auto-import
# When using Gradle or Maven with auto-import, you should exclude module files,
# since they will be recreated, and may cause churn. Uncomment if using
auto-import.
.idea/modules.xml
.idea/*.iml
.idea/modules
*.iml
*.ipr
# CMake
cmake-build-*/
# Mongo Explorer plugin
.idea/**/mongoSettings.xml
# File-based project format
*.iws
# IntelliJ
out/
# mpeltonen/sbt-idea plugin
.idea_modules/
# JIRA plugin
atlassian-ide-plugin.xml
# Cursive Clojure plugin
.idea/replstate.xml
# Crashlytics plugin (for Android Studio and IntelliJ)
com_crashlytics_export_strings.xml
crashlytics.properties
crashlytics-build.properties
fabric.properties
# Editor-based Rest Client
.idea/httpRequests
# Android studio 3.1+ serialized cache file
.idea/caches/build_file_checksums.ser
### Intellij Patch ###
# Comment Reason: https://github.com/joeblau/gitignore.io/issues/186#issuecomment-215987721
modules.xml
.idea/misc.xml
# Sonarlint plugin
.idea/**/sonarlint/
# SonarQube Plugin
.idea/**/sonarIssues.xml
# Markdown Navigator plugin
.idea/**/markdown-navigator.xml
.idea/**/markdown-navigator/
### Kotlin ###
# Compiled class file
*.class
# Log file
*.log
# BlueJ files
*.ctxt
# Mobile Tools for Java (J2ME)
.mtj.tmp/
# Package Files #
*.jar
*.war
*.nar
*.ear
*.zip
*.tar.gz
*.rar
# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
hs_err_pid*
### Maven ###
target/
pom.xml.tag
pom.xml.releaseBackup
pom.xml.versionsBackup
pom.xml.next
release.properties
dependency-reduced-pom.xml
buildNumber.properties
.mvn/timing.properties
.mvn/wrapper/maven-wrapper.jar
.flattened-pom.xml
# End of https://www.gitignore.io/api/maven,kotlin,intellij

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# Default ignored files
/workspace.xml

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adventofcode2019

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.idea/codeStyles/Project.xml generated Normal file
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<component name="ProjectCodeStyleConfiguration">
<code_scheme name="Project" version="173">
<JetCodeStyleSettings>
<option name="CODE_STYLE_DEFAULTS" value="KOTLIN_OFFICIAL" />
</JetCodeStyleSettings>
<codeStyleSettings language="kotlin">
<option name="CODE_STYLE_DEFAULTS" value="KOTLIN_OFFICIAL" />
</codeStyleSettings>
</code_scheme>
</component>

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.idea/codeStyles/codeStyleConfig.xml generated Normal file
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<component name="ProjectCodeStyleConfiguration">
<state>
<option name="USE_PER_PROJECT_SETTINGS" value="true" />
</state>
</component>

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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="CompilerConfiguration">
<annotationProcessing>
<profile name="Maven default annotation processors profile" enabled="true">
<sourceOutputDir name="target/generated-sources/annotations" />
<sourceTestOutputDir name="target/generated-test-sources/test-annotations" />
<outputRelativeToContentRoot value="true" />
<module name="advent-of-code2019" />
</profile>
</annotationProcessing>
</component>
</project>

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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="Encoding">
<file url="file://$PROJECT_DIR$" charset="UTF-8" />
</component>
</project>

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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="VcsDirectoryMappings">
<mapping directory="" vcs="Git" />
</component>
</project>

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<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.basdado.adventofcode</groupId>
<artifactId>advent-of-code-2019</artifactId>
<version>1.0-SNAPSHOT</version>
<packaging>jar</packaging>
<name>com.basdado.adventofcode advent-of-code-2019</name>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<kotlin.version>1.3.61</kotlin.version>
<kotlin.code.style>official</kotlin.code.style>
<junit.version>4.12</junit.version>
</properties>
<dependencies>
<dependency>
<groupId>org.jetbrains.kotlin</groupId>
<artifactId>kotlin-stdlib</artifactId>
<version>${kotlin.version}</version>
</dependency>
<dependency>
<groupId>org.jetbrains.kotlin</groupId>
<artifactId>kotlin-test-junit</artifactId>
<version>${kotlin.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>${junit.version}</version>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<sourceDirectory>src/main/kotlin</sourceDirectory>
<testSourceDirectory>src/test/kotlin</testSourceDirectory>
<plugins>
<plugin>
<groupId>org.jetbrains.kotlin</groupId>
<artifactId>kotlin-maven-plugin</artifactId>
<version>${kotlin.version}</version>
<executions>
<execution>
<id>compile</id>
<phase>compile</phase>
<goals>
<goal>compile</goal>
</goals>
</execution>
<execution>
<id>test-compile</id>
<phase>test-compile</phase>
<goals>
<goal>test-compile</goal>
</goals>
</execution>
</executions>
</plugin>
</plugins>
</build>
</project>

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src/main/kotlin/com/basdado/adventofcode/Utils.kt Normal file
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package com.basdado.adventofcode
import java.nio.file.Files
import java.nio.file.Paths
import java.util.stream.Stream
fun lines(resourceFile: String): Stream<String> {
return Files.lines(Paths.get(Utils::class.java.getResource(resourceFile).toURI()))
}
class Utils

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src/main/kotlin/com/basdado/adventofcode/day1/Day1.kt Normal file
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package com.basdado.adventofcode.day1
import com.basdado.adventofcode.lines
const val DAY1_PATH = "/day/1/input.txt"
fun main(args: Array<String>) {
println(Day1.puzzle1())
println(Day1.puzzle2())
}
object Day1 {
fun puzzle1(): Long {
return lines(DAY1_PATH)
.filter { !it.isBlank() }
.mapToLong { it.toLong() }
.map { (it / 3) - 2 }
.sum()
}
fun puzzle2(): Long {
return lines(DAY1_PATH)
.filter { !it.isBlank() }
.mapToLong { it.toLong() }
.map { (it / 3) - 2 }
.map { it + calculateFuelFuel(it) }
.sum()
}
private fun calculateFuelFuel(initialFuel: Long): Long {
var currentFuel = initialFuel
var sum = 0L
while (currentFuel > 8) {
currentFuel = currentFuel / 3 - 2
sum += currentFuel
}
return sum
}
}

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66626
95053
84365
111504
97412
124986
133224
60267
68096
120910
105547
138575
112841
113102
92387
83511
62646
98974
138093
59417
137854
78318
143846
81514
86217
98493
82056
129376
61322
51045
115467
106540
149439
141253
65608
130480
79444
80032
101908
105695
145502
87538
68817
128768
148784
115464
147306
148666
118258
82755
68422
98333
105334
120963
89349
78675
99151
61383
81549
106544
72880
88152
110879
91277
123584
78430
51658
126045
93833
52535
130831
130920
80069
140263
50943
63503
116135
112686
67582
83515
128736
136447
69998
72472
61009
136054
124675
134813
149765
132135
127787
148333
78020
94212
81407
58994
146820
66603
62761
86955