2020.md

2020

• https://adventofcode.com/2020

• profiling with hyperfine - brew install hyperfine:

  • hyperfine -r 10 'python 2020/01.py'
  • python -m cProfile 2020/01.py
  • time python 2020/01.py

• hyperfine --warmup 3 -r 10 'find 2020 -type f -regex ".*/[0-9]*\.py" | sort -n | xargs python ' | tee 2020/benchmark.txt

• bin/run-all-solutions.py --dir 2020 --write

Day	Name	Solution	CI Benchmark
01	Report Repair	py
02	Password Philosophy	py
03	Toboggan Trajectory	py
04	Passport Processing	py
05	Binary Boarding	py
06	Custom Customs	py
07	Handy Haversacks	py
08	Handheld Halting	py
09	Encoding Error	py
10	Adapter Array	py
11	Seating System	py
12	Rain Risk	py
13	Shuttle Search	py
14	Docking Data	py
15	Rambunctious Recitation	py
16	Ticket Translation	py
17	Conway Cubes	py**
18	Operation Order	py
19	Monster Messages	py*
20	Jurassic Jigsaw	py**
21	Allergen Assessment	py
22	Crab Combat	py
23	Crab Cups	py*
24	Lobby Layout	py
25	Combo Breaker	py
---	------	---------	---
all	AoC 20	txt	M1 - 30.996 s, CI -

• or ** - external solution adopted

tools

download input of last day:

• install:

go install github.com/GreenLightning/advent-of-code-downloader/aocdl@latest
cp $(go env GOPATH)/bin/aocdl /usr/local/bin/
echo '{"session-cookie": "xxx"}' > $HOME/.aocdlconfig
echo "
#!/usr/bin/env bash
aocdl --force
pbcopy <input.txt
" > get.sh
chmod +x get.sh

• download to input.txt and copy to clipboard:

./get.sh

External help

• https://github.com/sophiebits/adventofcode
• https://github.com/arknave/advent-of-code-2020
• Collection of external solutions
• 300 stars and visualizations
• rust under 1 second
• rust under 1 second #2
• https://github.com/narimiran/AdventOfCode2020
• https://github.com/mebeim/aoc/tree/master/2020 (walk-through)