Add solution to 2024-12-01

Author: fuglede

2024/day01/solutions.py

@@ -0,0 +1,13 @@
+from collections import Counter
+
+with open("input") as f:
+    ls = f.read().strip().split("\n")
+
+l1, l2 = zip(*[map(int, x.split()) for x in ls])
+
+# Part 1
+print(sum(abs(a - b) for a, b in zip(sorted(l1), sorted(l2))))
+
+# Part 2
+cs = Counter(l2)
+print(sum(x * cs[x] for x in l1))