zuckerberg/AoC-2022-Nix
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Simplify a little

Browse Source
This commit is contained in:
zuckerberg 2022-12-04 00:29:31 -07:00
parent 8cb3c32aa5
commit eed66a163e
1 changed files with 1 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
4/solution.nix
View File

@ -18,8 +18,7 @@ let
# calc overlaps
hasOverlap = overlapFunc: a: b:
let a1 = head a; b1 = head b; a2 = last a; b2 = last b;
in overlapFunc a1 a2 b1 b2 || overlapFunc b1 b2 a1 a2;
splitPair (splitPair overlapFunc a) b || splitPair (splitPair overlapFunc b) a;
overlaps = overlapFunc: map boolToInt (map (splitPair (hasOverlap overlapFunc)) pairs);
in {
part1 = sum (overlaps completeOverlap);