[aoc/2024] Finish day 1

2 files changed, 10 insertions, 0 deletions

diff --git a/aoc/2024/01/part-one.py b/aoc/2024/01/part-one.py
new file mode 100644
index 0000000..2a2421e
--- /dev/null
+++ b/aoc/2024/01/part-one.py
@@ -0,0 +1,4 @@
+from sys import stdin
+
+left, right = zip(*((int(a), int(b)) for a, b in map(str.split, stdin)))
+print(sum(map(abs, map(int.__sub__, sorted(left), sorted(right)))))
diff --git a/aoc/2024/01/part-two.py b/aoc/2024/01/part-two.py
new file mode 100644
index 0000000..5000c9c
--- /dev/null
+++ b/aoc/2024/01/part-two.py
@@ -0,0 +1,6 @@
+from sys import stdin
+from collections import Counter
+
+left, right = zip(*((int(a), int(b)) for a, b in map(str.split, stdin)))
+counter = Counter(right)
+print(sum(counter[n]*n for n in left))