diff --git a/advent-of-code-2023/01/part-1/main.kt b/advent-of-code-2023/01/part-1/main.kt deleted file mode 100644 index ffb8b9c..0000000 --- a/advent-of-code-2023/01/part-1/main.kt +++ /dev/null @@ -1,23 +0,0 @@ -package main - -import java.io.File - -fun main() { - var sum = 0 - File("../input.txt").forEachLine{ - var firstDigit = "" - var lastDigit = "" - - for (c in it) { - if (c.isDigit()) { - lastDigit = c.toString() - if (firstDigit == "") { - firstDigit = c.toString() - } - } - } - - sum += (firstDigit + lastDigit).toInt() - } - println(sum) -} diff --git a/advent-of-code-2023/01/part-2/main.kt b/advent-of-code-2023/01/part-2/main.kt deleted file mode 100644 index 6ed146f..0000000 --- a/advent-of-code-2023/01/part-2/main.kt +++ /dev/null @@ -1,39 +0,0 @@ -package main - -import java.io.File - -fun main() { - var sum = 0 - File("../input.txt").forEachLine{ - var firstDigit = "" - var lastDigit = "" - - for (c in replaceStrWithDigits(it)) { - if (c.isDigit()) { - lastDigit = c.toString() - if (firstDigit == "") { - firstDigit = c.toString() - } - } - } - - sum += (firstDigit + lastDigit).toInt() - } - println(sum) -} - -fun replaceStrWithDigits(line: String): String { - var s = line - var words = arrayOf("one", "two", "three", "four", "five", "six", "seven", "eight", "nine") - var i = 0 - while (i < s.length) { - for (w in words.indices) { - if (s.slice(i..s.length-1).startsWith(words[w])) { - s = s.replaceRange(i, i + 1, (w + 1).toString()) - break - } - } - i += 1 - } - return s -} diff --git a/advent-of-code-2023/01/readme.md b/advent-of-code-2023/01/readme.md deleted file mode 100644 index b999767..0000000 --- a/advent-of-code-2023/01/readme.md +++ /dev/null @@ -1,62 +0,0 @@ -# Day 1: Trebuchet?! - -Something is wrong with global snow production, and you've been selected to take a look. -The Elves have even given you a map; on it, they've used stars to mark the top fifty locations -that are likely to be having problems. - -You've been doing this long enough to know that to restore snow operations, -you need to check all fifty stars by December 25th. - -Collect stars by solving puzzles. Two puzzles will be made available on each day in the Advent calendar; -the second puzzle is unlocked when you complete the first. Each puzzle grants one star. Good luck! - -You try to ask why they can't just use a weather machine ("not powerful enough") -and where they're even sending you ("the sky") and why your map looks mostly blank -("you sure ask a lot of questions") and hang on did you just say the sky -("of course, where do you think snow comes from") when you realize that the Elves -are already loading you into a trebuchet ("please hold still, we need to strap you in"). - -As they're making the final adjustments, they discover that their calibration document -(your puzzle input) has been amended by a very young Elf who was apparently just excited to show off -her art skills. Consequently, the Elves are having trouble reading the values on the document. - -The newly-improved calibration document consists of lines of text; -each line originally contained a specific calibration value that the Elves now need to recover. -On each line, the calibration value can be found by combining the first digit and the last digit -(in that order) to form a single two-digit number. - -For example: - -``` -1abc2 -pqr3stu8vwx -a1b2c3d4e5f -treb7uchet -``` - -In this example, the calibration values of these four lines are `12`, `38`, `15`, and `77`. -Adding these together produces `142`. - -Consider your entire calibration document. What is the sum of all of the calibration values? - -## Part Two - -Your calculation isn't quite right. It looks like some of the digits are actually spelled out with letters: -`one`, `two`, `three`, `four`, `five`, `six`, `seven`, `eight`, and `nine` also count as valid "digits". - -Equipped with this new information, you now need to find the real first and last digit on each line. For example: - -``` -two1nine -eightwothree -abcone2threexyz -xtwone3four -4nineeightseven2 -zoneight234 -7pqrstsixteen -``` - -In this example, the calibration values are `29`, `83`, `13`, `24`, `42`, `14`, and `76`. -Adding these together produces `281`. - -What is the sum of all of the calibration values? diff --git a/advent-of-code-2023/aoc-01/.gitignore b/advent-of-code-2023/aoc-01/.gitignore new file mode 100644 index 0000000..4eb2cb8 --- /dev/null +++ b/advent-of-code-2023/aoc-01/.gitignore @@ -0,0 +1,43 @@ +.idea +.gradle +build/ +!gradle/wrapper/gradle-wrapper.jar +!**/src/main/**/build/ +!**/src/test/**/build/ + +### IntelliJ IDEA ### +.idea/modules.xml +.idea/jarRepositories.xml +.idea/compiler.xml +.idea/libraries/ +*.iws +*.iml +*.ipr +out/ +!**/src/main/**/out/ +!**/src/test/**/out/ + +### Eclipse ### +.apt_generated +.classpath +.factorypath +.project +.settings +.springBeans +.sts4-cache +bin/ +!**/src/main/**/bin/ +!**/src/test/**/bin/ + +### NetBeans ### +/nbproject/private/ +/nbbuild/ +/dist/ +/nbdist/ +/.nb-gradle/ + +### VS Code ### +.vscode/ + +### Mac OS ### +.DS_Store \ No newline at end of file diff --git a/advent-of-code-2023/aoc-01/build.gradle.kts b/advent-of-code-2023/aoc-01/build.gradle.kts new file mode 100644 index 0000000..105700c --- /dev/null +++ b/advent-of-code-2023/aoc-01/build.gradle.kts @@ -0,0 +1,27 @@ +plugins { + kotlin("jvm") version "1.9.0" + application +} + +group = "org.example" +version = "1.0-SNAPSHOT" + +repositories { + mavenCentral() +} + +dependencies { + testImplementation(kotlin("test")) +} + +tasks.test { + useJUnitPlatform() +} + +kotlin { + jvmToolchain(8) +} + +application { + mainClass.set("MainKt") +} \ No newline at end of file diff --git a/advent-of-code-2023/aoc-01/gradle.properties b/advent-of-code-2023/aoc-01/gradle.properties new file mode 100644 index 0000000..7fc6f1f --- /dev/null +++ b/advent-of-code-2023/aoc-01/gradle.properties @@ -0,0 +1 @@ +kotlin.code.style=official diff --git a/advent-of-code-2023/aoc-01/gradle/wrapper/gradle-wrapper.jar b/advent-of-code-2023/aoc-01/gradle/wrapper/gradle-wrapper.jar new file mode 100644 index 0000000..249e583 Binary files /dev/null and b/advent-of-code-2023/aoc-01/gradle/wrapper/gradle-wrapper.jar differ diff --git a/advent-of-code-2023/aoc-01/gradle/wrapper/gradle-wrapper.properties b/advent-of-code-2023/aoc-01/gradle/wrapper/gradle-wrapper.properties new file mode 100644 index 0000000..06febab --- /dev/null +++ b/advent-of-code-2023/aoc-01/gradle/wrapper/gradle-wrapper.properties @@ -0,0 +1,5 @@ +distributionBase=GRADLE_USER_HOME +distributionPath=wrapper/dists +distributionUrl=https\://services.gradle.org/distributions/gradle-8.2-bin.zip +zipStoreBase=GRADLE_USER_HOME +zipStorePath=wrapper/dists \ No newline at end of file diff --git a/advent-of-code-2023/aoc-01/gradlew b/advent-of-code-2023/aoc-01/gradlew new file mode 100755 index 0000000..1b6c787 --- /dev/null +++ b/advent-of-code-2023/aoc-01/gradlew @@ -0,0 +1,234 @@ +#!/bin/sh + +# +# Copyright © 2015-2021 the original authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# https://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +# + +############################################################################## +# +# Gradle start up script for POSIX generated by Gradle. +# +# Important for running: +# +# (1) You need a POSIX-compliant shell to run this script. If your /bin/sh is +# noncompliant, but you have some other compliant shell such as ksh or +# bash, then to run this script, type that shell name before the whole +# command line, like: +# +# ksh Gradle +# +# Busybox and similar reduced shells will NOT work, because this script +# requires all of these POSIX shell features: +# * functions; +# * expansions «$var», «${var}», «${var:-default}», «${var+SET}», +# «${var#prefix}», «${var%suffix}», and «$( cmd )»; +# * compound commands having a testable exit status, especially «case»; +# * various built-in commands including «command», «set», and «ulimit». +# +# Important for patching: +# +# (2) This script targets any POSIX shell, so it avoids extensions provided +# by Bash, Ksh, etc; in particular arrays are avoided. +# +# The "traditional" practice of packing multiple parameters into a +# space-separated string is a well documented source of bugs and security +# problems, so this is (mostly) avoided, by progressively accumulating +# options in "$@", and eventually passing that to Java. +# +# Where the inherited environment variables (DEFAULT_JVM_OPTS, JAVA_OPTS, +# and GRADLE_OPTS) rely on word-splitting, this is performed explicitly; +# see the in-line comments for details. +# +# There are tweaks for specific operating systems such as AIX, CygWin, +# Darwin, MinGW, and NonStop. +# +# (3) This script is generated from the Groovy template +# https://github.com/gradle/gradle/blob/master/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt +# within the Gradle project. +# +# You can find Gradle at https://github.com/gradle/gradle/. +# +############################################################################## + +# Attempt to set APP_HOME + +# Resolve links: $0 may be a link +app_path=$0 + +# Need this for daisy-chained symlinks. +while + APP_HOME=${app_path%"${app_path##*/}"} # leaves a trailing /; empty if no leading path + [ -h "$app_path" ] +do + ls=$( ls -ld "$app_path" ) + link=${ls#*' -> '} + case $link in #( + /*) app_path=$link ;; #( + *) app_path=$APP_HOME$link ;; + esac +done + +APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit + +APP_NAME="Gradle" +APP_BASE_NAME=${0##*/} + +# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. +DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"' + +# Use the maximum available, or set MAX_FD != -1 to use that value. +MAX_FD=maximum + +warn () { + echo "$*" +} >&2 + +die () { + echo + echo "$*" + echo + exit 1 +} >&2 + +# OS specific support (must be 'true' or 'false'). +cygwin=false +msys=false +darwin=false +nonstop=false +case "$( uname )" in #( + CYGWIN* ) cygwin=true ;; #( + Darwin* ) darwin=true ;; #( + MSYS* | MINGW* ) msys=true ;; #( + NONSTOP* ) nonstop=true ;; +esac + +CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar + + +# Determine the Java command to use to start the JVM. +if [ -n "$JAVA_HOME" ] ; then + if [ -x "$JAVA_HOME/jre/sh/java" ] ; then + # IBM's JDK on AIX uses strange locations for the executables + JAVACMD=$JAVA_HOME/jre/sh/java + else + JAVACMD=$JAVA_HOME/bin/java + fi + if [ ! -x "$JAVACMD" ] ; then + die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." + fi +else + JAVACMD=java + which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." +fi + +# Increase the maximum file descriptors if we can. +if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then + case $MAX_FD in #( + max*) + MAX_FD=$( ulimit -H -n ) || + warn "Could not query maximum file descriptor limit" + esac + case $MAX_FD in #( + '' | soft) :;; #( + *) + ulimit -n "$MAX_FD" || + warn "Could not set maximum file descriptor limit to $MAX_FD" + esac +fi + +# Collect all arguments for the java command, stacking in reverse order: +# * args from the command line +# * the main class name +# * -classpath +# * -D...appname settings +# * --module-path (only if needed) +# * DEFAULT_JVM_OPTS, JAVA_OPTS, and GRADLE_OPTS environment variables. + +# For Cygwin or MSYS, switch paths to Windows format before running java +if "$cygwin" || "$msys" ; then + APP_HOME=$( cygpath --path --mixed "$APP_HOME" ) + CLASSPATH=$( cygpath --path --mixed "$CLASSPATH" ) + + JAVACMD=$( cygpath --unix "$JAVACMD" ) + + # Now convert the arguments - kludge to limit ourselves to /bin/sh + for arg do + if + case $arg in #( + -*) false ;; # don't mess with options #( + /?*) t=${arg#/} t=/${t%%/*} # looks like a POSIX filepath + [ -e "$t" ] ;; #( + *) false ;; + esac + then + arg=$( cygpath --path --ignore --mixed "$arg" ) + fi + # Roll the args list around exactly as many times as the number of + # args, so each arg winds up back in the position where it started, but + # possibly modified. + # + # NB: a `for` loop captures its iteration list before it begins, so + # changing the positional parameters here affects neither the number of + # iterations, nor the values presented in `arg`. + shift # remove old arg + set -- "$@" "$arg" # push replacement arg + done +fi + +# Collect all arguments for the java command; +# * $DEFAULT_JVM_OPTS, $JAVA_OPTS, and $GRADLE_OPTS can contain fragments of +# shell script including quotes and variable substitutions, so put them in +# double quotes to make sure that they get re-expanded; and +# * put everything else in single quotes, so that it's not re-expanded. + +set -- \ + "-Dorg.gradle.appname=$APP_BASE_NAME" \ + -classpath "$CLASSPATH" \ + org.gradle.wrapper.GradleWrapperMain \ + "$@" + +# Use "xargs" to parse quoted args. +# +# With -n1 it outputs one arg per line, with the quotes and backslashes removed. +# +# In Bash we could simply go: +# +# readarray ARGS < <( xargs -n1 <<<"$var" ) && +# set -- "${ARGS[@]}" "$@" +# +# but POSIX shell has neither arrays nor command substitution, so instead we +# post-process each arg (as a line of input to sed) to backslash-escape any +# character that might be a shell metacharacter, then use eval to reverse +# that process (while maintaining the separation between arguments), and wrap +# the whole thing up as a single "set" statement. +# +# This will of course break if any of these variables contains a newline or +# an unmatched quote. +# + +eval "set -- $( + printf '%s\n' "$DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS" | + xargs -n1 | + sed ' s~[^-[:alnum:]+,./:=@_]~\\&~g; ' | + tr '\n' ' ' + )" '"$@"' + +exec "$JAVACMD" "$@" diff --git a/advent-of-code-2023/01/input.txt b/advent-of-code-2023/aoc-01/input.txt similarity index 99% rename from advent-of-code-2023/01/input.txt rename to advent-of-code-2023/aoc-01/input.txt index c50fa2a..1379cfb 100644 --- a/advent-of-code-2023/01/input.txt +++ b/advent-of-code-2023/aoc-01/input.txt @@ -997,4 +997,4 @@ ttmtqrh3four4oneightrkv 7fjkfdlmhqxtwoxcpssngss gsntbddbnone4cjqjmspzcsxmvvthreefive 56four4one2 -cqmzqbxzfvonevmmmlxsnjr5zfg +cqmzqbxzfvonevmmmlxsnjr5zfg \ No newline at end of file diff --git a/advent-of-code-2023/aoc-01/settings.gradle.kts b/advent-of-code-2023/aoc-01/settings.gradle.kts new file mode 100644 index 0000000..a28a807 --- /dev/null +++ b/advent-of-code-2023/aoc-01/settings.gradle.kts @@ -0,0 +1,12 @@ +pluginManagement { + repositories { + mavenCentral() + gradlePluginPortal() + } +} + +plugins { + id("org.gradle.toolchains.foojay-resolver-convention") version "0.5.0" +} + +rootProject.name = "aoc-01" \ No newline at end of file diff --git a/advent-of-code-2023/aoc-01/src/main/kotlin/Main.kt b/advent-of-code-2023/aoc-01/src/main/kotlin/Main.kt new file mode 100644 index 0000000..eae0973 --- /dev/null +++ b/advent-of-code-2023/aoc-01/src/main/kotlin/Main.kt @@ -0,0 +1,56 @@ +import java.io.File + +fun main(args: Array) { + if (args.isEmpty()) { + println("Missing input file path") + return + } + + val lines = File(args[0]).readLines() + + println(getCalibrationValues(lines, false)) + println(getCalibrationValues(lines, true)) +} + +fun getCalibrationValues(lines: List, findWords: Boolean): Int { + var sum = 0 + + lines.forEach { + var firstDigit = "" + var lastDigit = "" + + var s = it + if (findWords) { + s = replaceStrWithDigits(s) + } + + for (char in s) { + if (char.isDigit()) { + lastDigit = char.toString() + if (firstDigit == "") { + firstDigit = char.toString() + } + } + } + + sum += (firstDigit + lastDigit).toInt() + } + + return sum +} + +fun replaceStrWithDigits(line: String): String { + var s = line + val words = arrayOf("one", "two", "three", "four", "five", "six", "seven", "eight", "nine") + var i = 0 + while (i < s.length) { + for (w in words.indices) { + if (s.slice(i..