From 4ac4bc6a58cb8ee4c2947c2a772d04301c66bf99 Mon Sep 17 00:00:00 2001 From: Bill Rossi Date: Mon, 18 Dec 2023 08:29:45 -0500 Subject: [PATCH] Initial commit --- .gitignore | 2 + bin/run | 86 ++++++++++++++++++++++++++++++++++++++ fortran/.gitignore | 1 + fortran/2015/1/problem.f90 | 36 ++++++++++++++++ fortran/bin/run | 6 +++ python/.gitignore | 1 + python/2015/1/problem.py | 33 +++++++++++++++ python/bin/run | 6 +++ rust/.gitignore | 1 + rust/2015/1/problem.rs | 29 +++++++++++++ rust/bin/run | 6 +++ 11 files changed, 207 insertions(+) create mode 100644 .gitignore create mode 100755 bin/run create mode 100644 fortran/.gitignore create mode 100644 fortran/2015/1/problem.f90 create mode 100755 fortran/bin/run create mode 100644 python/.gitignore create mode 100644 python/2015/1/problem.py create mode 100755 python/bin/run create mode 100644 rust/.gitignore create mode 100644 rust/2015/1/problem.rs create mode 100755 rust/bin/run diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..3f3b0a6 --- /dev/null +++ b/.gitignore @@ -0,0 +1,2 @@ +cookie +data \ No newline at end of file diff --git a/bin/run b/bin/run new file mode 100755 index 0000000..02de37a --- /dev/null +++ b/bin/run @@ -0,0 +1,86 @@ +#!/usr/bin/env bash + +# +# check args +# + +if [[ $# -ne 3 ]] +then + echo "usage: $0 year day" + exit 1 +fi + +# +# check year and day +# + +year=$(($2)) + +if [[ $year -gt 2015 ]] +then + echo "invalid year: $2" + echo "must be 2015 or later" + exit 2 +fi + +day=$(($3)) + +if [[ $day -lt 1 ]] || [[ $day -gt 25 ]] +then + echo "invalid day: $3" + echo "must be between 1 and 25" + exit 2 +fi + +# +# fetch input +# + +input_directory="../data/$year/$day" +input_path="$input_directory/input.txt" + +if ! [[ -f $input_path ]] +then + mkdir -p $input_directory + input_url="https://adventofcode.com/$year/day/$day/input" + + cookie_path="../cookie" + if ! [[ -f $cookie_path ]] + then + echo "can't fetch input from $input_url without a \`cookie\` file at \`$cookie_path\`" + echo "create this file with \`$ touch $cookie_path\`, then fill it with the \`session\` cookie from your browser" + exit 3 + fi + + curl -s -b "$(cat ../cookie)" $input_url > $input_path +fi + +language=$1 +valid_languages="" +valid_language="false" + +cd .. +for directory in $(ls .) +do + if [[ -d $directory ]] && [[ -f $directory/bin/run ]] + then + valid_languages="$valid_languages, $directory" + if [[ $language == $directory ]]; then + valid_language="true" + fi + fi +done + +if ! $valid_language ; then + echo "unsupported language $language" + echo "supported languages are ${valid_languages:2}" + exit 4 +fi + +# +# delegate language +# + +cd $language +echo "Running problem $day from year $year in $language" +./bin/run $year $day diff --git a/fortran/.gitignore b/fortran/.gitignore new file mode 100644 index 0000000..44d4a10 --- /dev/null +++ b/fortran/.gitignore @@ -0,0 +1 @@ +problem \ No newline at end of file diff --git a/fortran/2015/1/problem.f90 b/fortran/2015/1/problem.f90 new file mode 100644 index 0000000..2fd4f57 --- /dev/null +++ b/fortran/2015/1/problem.f90 @@ -0,0 +1,36 @@ +program problem + implicit none + integer :: floor = 0 + integer :: steps = 0 + character(len=:), allocatable :: input + integer :: input_file_size, unit, i + + open(newunit=unit, file='../data/2015/1/input.txt', access="stream") + inquire(unit=unit, size=input_file_size) + allocate(character(len=input_file_size) :: input) + + read(unit) input + + do i=1, input_file_size + if (input(i:i) == "(") then + floor = floor + 1 + else + floor = floor - 1 + end if + end do + print *, "Part 1: ", floor + + floor = 0 + do i=1, input_file_size + if (input(i:i) == "(") then + floor = floor + 1 + else + floor = floor - 1 + end if + steps = steps + 1 + if (floor < 0) exit + end do + print *, "Part 2: ", steps + + close(1) +end program problem diff --git a/fortran/bin/run b/fortran/bin/run new file mode 100755 index 0000000..5f20ca8 --- /dev/null +++ b/fortran/bin/run @@ -0,0 +1,6 @@ +#!/usr/bin/env bash + +year=$1 +day=$2 + +gfortran -o $year/$day/problem $year/$day/problem.f90 && time ./$year/$day/problem diff --git a/python/.gitignore b/python/.gitignore new file mode 100644 index 0000000..ed8ebf5 --- /dev/null +++ b/python/.gitignore @@ -0,0 +1 @@ +__pycache__ \ No newline at end of file diff --git a/python/2015/1/problem.py b/python/2015/1/problem.py new file mode 100644 index 0000000..fd4a05a --- /dev/null +++ b/python/2015/1/problem.py @@ -0,0 +1,33 @@ +import os + +with open("../data/2015/1/input.txt", "r") as input_file: + floor = 0 + while True: + char = input_file.read(1) + if not char: + break + + if char == "(": + floor += 1 + else: + floor -= 1 + print("Part 1: {floor}".format(floor = floor)) + + input_file.seek(0) + floor = 0 + steps = 0 + while True: + char = input_file.read(1) + if not char: + break + + steps += 1 + if char == "(": + floor += 1 + else: + floor -= 1 + + if floor < 0: + break + + print("Part 2: {steps}".format(steps = steps)) diff --git a/python/bin/run b/python/bin/run new file mode 100755 index 0000000..cbcb069 --- /dev/null +++ b/python/bin/run @@ -0,0 +1,6 @@ +#!/usr/bin/env bash + +year=$1 +day=$2 + +time python3 $year/$day/problem.py diff --git a/rust/.gitignore b/rust/.gitignore new file mode 100644 index 0000000..44d4a10 --- /dev/null +++ b/rust/.gitignore @@ -0,0 +1 @@ +problem \ No newline at end of file diff --git a/rust/2015/1/problem.rs b/rust/2015/1/problem.rs new file mode 100644 index 0000000..b32c8ee --- /dev/null +++ b/rust/2015/1/problem.rs @@ -0,0 +1,29 @@ +use std::fs; + +fn main() -> Result<(), std::io::Error> { + let input = fs::read_to_string("../data/2015/1/input.txt")?; + + let mut floor = 0; + for c in input.chars() { + match c { + '(' => { floor += 1 } + ')' => { floor -= 1 } + _ => { panic!("Invalid character") } + } + } + println!("Part 1: {}", floor); + + floor = 0; + let mut steps = 0; + for c in input.chars() { + match c { + '(' => { floor += 1 } + ')' => { floor -= 1 } + _ => { panic!("Invalid character") } + } + steps += 1; + if floor < 0 { break } + } + println!("Part 2: {}", steps); + Result::Ok(()) +} diff --git a/rust/bin/run b/rust/bin/run new file mode 100755 index 0000000..5f018d6 --- /dev/null +++ b/rust/bin/run @@ -0,0 +1,6 @@ +#!/usr/bin/env bash + +year=$1 +day=$2 + +rustc -o $year/$day/problem $year/$day/problem.rs && time ./$year/$day/problem