AdventOfCode

This repo contains my own (dmachaj) personal solutions to various Advent of Code challenges. This repo is public but it is not licensed for any sort of reuse or redistribution.

Advent of Code is a time-based challenge so the code is on the sloppy side and is not a reflection of what I consider to be production-quality code. Similarly the build and verification scripts are super quick&dirty but are fast and effective enough for this usage.

Building (C++)

The code for this project is C++ and uses the MSVC compiler. There are helper scripts to build and verify a given day's challenge.

1. Begin with a "Visual Studio Dev Tools" command prompt
2. cd to the directory that you are trying to build. For example cd 2023\Day01.
3. ..\..\build.cmd to build that program
4. ..\..\verify.cmd Part1 to check the correctness of the first problem for that day.
5. ..\..\verify.cmd Part2 to check the second problem.

When you are done you can run clean-build-results.cmd in the root of the repo to clean up any leftovers.

Building (C#)

The C# code in this project uses .net8 (or newer). To build simply run dotnet:

1. Begin with a command-prompt in the appropriate directory (e.g. cd 2021\Day01).
2. dotnet build to compile
3. ..\..\verify.cmd Part1 to check the first problem.
4. ..\..\verify.cmd Part2 to check the second problem.

After completion you can run clean-build-results.cmd from the root of the repo to clean up.

Helpful notes to self

Swapping out stdin for file io (for large inputs that don't fit on the clipboard when debugging)

1. Add #include <fstream>
2. Add #include <istream>
3. Add to top of function std::ifstream file(R"(Part1\unique.in)");
4. Replace input loop while (std::getline(file, input))

Printing fixed with integers

1. Add #include <iomanip>
2. std::cerr << std::setw(3) << std::setfill(' ') << NUMBER