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simulation 4 dynamic-programming 3 graph 3 grid 3 geometry 2 math 2 bitwise 1 generation 1 greedy 1 interval-merging 1 optimization 1 parsing 1 pathfinding 1 ranges 1 safe-dial 1 stack 1 string-manipulation 1 union-find 1
| Day | Title | Difficulty | Tags | Source |
|---|---|---|---|---|
| 1 | Secret Entrance | 🟡 | safe-dial, simulation | day_01.ex |
| 2 | Gift Shop | 🟠 | generation, math, simulation, string-manipulation | day_02.ex |
| 3 | Lobby | 🟠 | greedy, optimization, stack | day_03.ex |
| 4 | Printing Department | 🟠 | graph, grid, simulation | day_04.ex |
| 5 | Cafeteria | 🟡 | interval-merging, ranges, simulation | day_05.ex |
| 6 | Trash Compactor | 🟠 | grid, math, parsing | day_06.ex |
| 7 | Laboratories | 🔴 | dynamic-programming, grid | day_07.ex |
| 8 | Playground | 🟡 | union-find | day_08.ex |
| 9 | Movie Theater | 🟠 | geometry | day_09.ex |
| 10 | Factory | 🔴 | bitwise, dynamic-programming, graph, pathfinding | day_10.ex |
| 11 | Reactor | 🟠 | dynamic-programming, graph | day_11.ex |
| 12 | Christmas Tree Farm | 🟠 | geometry | day_12.ex |