2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023
| Day | Problem Page | Feel | Solution Page | 😉 |
|---|---|---|---|---|
| 1 | Chronal Calibration | 🌟 | year18/day01 | 📈 |
| 2 | Inventory Management System | 🌟 | year18/day02 | 📦 🏭 |
| 3 | No Matter How You Slice It | 🌟 | year18/day03 | 👗 🎅 🪡 |
| 4 | Repose Record | 🌟 🌟 | year18/day04 | 🕔 😴 💂 |
| 5 | Inventory Management System | 💙 | year18/day05 | 🧪 💥 |
| 7 | The Sum of Its Parts | 🌗 | year18/day07 | ⏲️ |