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A few AOC 2020 solutions in SQL

Requirements

A somewhat recent version of sqlite3 needs to be available in $PATH. Until (including) day 9, all solutions should work with sqlite 3.24.0. Day 10 uses window functions and requires sqlite 3.25.0 or later.

Usage

Use run.sh to run the solutions for all days in order.
Use run.sh day01 to run both parts of day 1.
Use run.sh day01 b to run only the second part of day 1.

Directory layout

.
├── README.md
├── day01
│   ├── a.sql
│   ├── b.sql
│   ├── common.sql
│   └── input
├── day02
│   ├── a.sql
│   ├── b.sql
│   ├── common.sql
│   └── input
[...]
└── run.sh
  • One directory for each day
  • Each directory contains a file called 'input' with my input for that day of AoC 2020.
  • Solutions for the first and second part of a day are a.sql and b.sql, respectively.
  • Any code that has to be executed for both days (e.g. input pre-processing / parsing) is in common.sql