| Статус | Задача | Алгоритм |
|---|---|---|
| ⭐⭐ | Day 1: Historian Hysteria | |
| ⭐⭐ | Day 2: Red-Nosed Reports | |
| ⭐⭐ | Day 3: Mull It Over | |
| ⭐⭐ | Day 4: Ceres Search | |
| ⭐⭐ | Day 5: Print Queue | |
| ⭐⭐ | Day 6: Guard Gallivant | |
| ⭐⭐ | Day 7: Bridge Repair | |
| ⭐⭐ | Day 8: Resonant Collinearity | |
| ⭐⭐ | Day 9: Disk Fragmenter | two pointers |
| ⭐⭐ | Day 10: Hoof It | depth-first search, breadth-first search |
| ⭐⭐ | Day 11: Plutonian Pebbles | |
| ⭐⭐ | Day 12: Garden Groups | flood fill |
| ⭐⭐ | Day 13: Claw Contraption | Kramer method |
| ⭐⭐ | Day 14: Restroom Redoubt | |
| ⭐⭐ | Day 15: Warehouse Woes | |
| ⭐⭐ | Day 16: Reindeer Maze | |
| ⭐⭐ | Day 17: Chronospatial Computer | depth-first search |
| ⭐⭐ | Day 18: RAM Run | breadth-first search |
| ⭐⭐ | Day 19: Linen Layout | |
| ⭐⭐ | Day 20: Race Condition | |
| ⭐⭐ | Day 21: Keypad Conundrum | |
| ⭐⭐ | Day 22: Monkey Market | |
| ⭐⭐ | Day 23: LAN Party | graph clique |
| ⭐⭐ | Day 24: Crossed Wires | |
| ⭐⭐ | Day 25: Code Chronicle |