2024 day 1.

src/holt59/aoc/2024/day1.py

@@ -0,0 +1,14 @@
+import sys
+from collections import Counter
+
+values = list(map(int, sys.stdin.read().strip().split()))
+
+column_1 = sorted(values[::2])
+column_2 = sorted(values[1::2])
+counter_2 = Counter(column_2)
+
+answer_1 = sum(abs(v1 - v2) for v1, v2 in zip(column_1, column_2, strict=True))
+answer_2 = sum(value * counter_2.get(value, 0) for value in column_1)
+
+print(f"answer 1 is {answer_1}")
+print(f"answer 2 is {answer_2}")