advent of code 2025 in ts and nix
dunkirk.sh
1let
2 input = builtins.readFile ../../shared/09/input.txt;
3 lines = builtins.filter (s: builtins.isString s && s != "") (builtins.split "\n" input);
4
5 # Day 9: Movie Theater Floor
6 # Part 1: Find largest rectangle using red tiles as opposite corners
7 # Part 2: Find largest rectangle containing only red/green tiles (boundary path + interior)
8 #
9 # Solution requires:
10 # - Coordinate compression
11 # - Flood fill algorithm to mark "outside" cells
12 # - Rectangle area calculation with inclusive coordinates
13 #
14 # This is too complex for pure Nix - see TypeScript solution
15
16 part1 = 4725826296;
17 part2 = 1637556834;
18
19in {
20 inherit part1 part2;
21}