Solve day 18 and 19 2017.

2024-05-30 09:01:51 -04:00
parent 5b7b9c87cb
commit ecda947fb4
4 changed files with 166 additions and 1 deletions
--- a/2017/lib.py
+++ b/2017/lib.py
@@ -27,6 +27,9 @@ def mape(f, xs):
 def add2(a: tuple[int, int], b: tuple[int, int]) -> tuple[int, int]:
    return (a[0] + b[0], a[1] + b[1])

+def sub2(a: tuple[int, int], b: tuple[int, int]) -> tuple[int, int]:
+    return (a[0] - b[0], a[1] - b[1])
+
 class Grid2D:
    N = (-1, 0)
    E = (0, 1)