| Day | Problem Name | Part 1 | Part 2 | Practiced Concepts |
|---|---|---|---|---|
| 01 | Report Repair | ⭐ | ⭐ | stdlib, file reading, |>, gleam/io |
| 02 | Password Philosophy | ⭐ | ⭐ | parsing, higher-order functions, structures |
| 03 | Toboggan Trajectory | ⭐ | ⭐ | 2D vectors, uniform motion, grids |
| 04 | Passport Processing | ⭐ | ⭐ | parsing |
| 05 | Binary Boarding | ⭐ | ⭐ | binary numbers, gleam/iterator, gleam/set |
| 06 | Custom Customs | ⭐ | ⭐ | type aliases, parsing, gleam/list, gleam/set |
| 07 | Handy Haversacks | ⭐ | ⭐ | parsing, graphs, recursion, gleam/dict, gleam/iterator |
| 08 | Handheld Halting | ⭐ | ⭐ | ADTs, parsing, pattern matching, interpreters, gleam/option |
| 09 | Encoding Error | ⭐ | ⭐ | gleam/list, gleam/pair, two-sum |
| 10 | Adapter Array | ⭐ | ⭐ | dynamic programming, memoization, OTP, actors, use <- |
| 11 | Seating System | ⭐ | ⭐ | grids, gleam/iterator, pattern matching, 2D vectors, ADTs |
| 12 | Rain Risk | ⭐ | ⭐ | ADTs, state machines, pattern matching, interpreters |
| 13 | Shuttle Search | ⭐ | ⭐ | scheduling, LCD, GCD, gleam/iterator |
| 14 | Docking Data | ⭐ | ⭐ | ADTs, state machines, parsing, pattern matching, interpreters, graphs, DFS |
| 15 | Rambunctious Recitation | ⭐ | ⭐ | gleam/dict, gleam/iterator, simulation |
| 16 | Ticket Translation | ⭐ | ⭐ | parsing, ranges, ADTs, recursion |
| 17 | Conway Cubes | ⭐ | ⭐ | gleam/set, 3D vectors, 4D vectors, grids, recursion |
| 18 | Operation Order | ⭐ | ⭐ | ADTs, ASTs, recursive-descent parsers |
| 19 | Monster Messages | ⭐ | ⭐ | parsing, ADTs, CSP, references |
| 20 | Jurassic Jigsaw | ⭐ | ⭐ | grids, 2D vectors, transforms, CSP, gleam/dict |
| 21 | Allergen Assessment | ⭐ | ⭐ | parsing, CSP, recursion |
| 22 | Crab Combat | ⭐ | ⭐ | simulation, recursion, gleam/option, gleam/order, use <- |
| 23 | Crab Cups | ⭐ | ⭐ | cyclic buffers, recursion, gleam/dict, gleam/iterator |
| 24 | Lobby Layout | ⭐ | ⭐ | parsing, hexagonal coordinates, simulation, game of life |
| 25 | Combo Breaker | ⭐ | ⭐ | modular arithmetic, key exchange |