# Advent of Code 2021 using Microsoft Excel

This is an attempt to solve Advent of Code 2021 challenges using Microsoft Excel (and if it's super hard, VBA Macro).

# How to use

- Dark Gray cell is where you'll need to paste input.
- Light Gray cells are generated when running macro.
- Blue cell is the answer for part 1.
- Gold cell is the answer for part 2.

# Status

Day | Solution | Notes |
---|---|---|

Day 1: Sonar Sweep | Solution | Excel |

Day 2: Dive! | Solution | Excel |

Day 3: Binary Diagnostic | Solution | Excel |

Day 4: Giant Squid | Solution | Excel |

Day 5: Hydrothermal Venture | Solution | Excel |

Day 6: Lanternfish | Solution | Excel |

Day 7: The Treachery of Whales | Solution | Excel |

Day 8: Seven Segment Search | Solution | Excel |

Day 9: Smoke Basin | Solution | Excel+Macro |

Day 10: Syntax Scoring | Solution | Excel |

Day 11: Dumbo Octopus | Solution | Excel |

Day 12: Passage Pathing | Solution | Macro |

Day 13: Transparent Origami | Solution | Excel |

Day 14: Extended Polymerization | Solution | Excel |

Day 15: Chiton | Solution | Macro |

Day 16: Packet Decoder | Solution | Excel+Macro |

Day 17: Trick Shot | Solution | Excel |

Day 18: Snailfish | Solution | Macro |

Day 19: Beacon Scanner | Solution | Macro |

Day 20: Trench Map | Solution | Excel |

Day 21: Dirac Dice | Solution | Excel+Macro |

Day 22: Reactor Reboot | Solution | Macro |