2023-04

Author: Viliam Pucik

2023/04.py

@@ -0,0 +1,12 @@
+#!/usr/bin/env python
+lines = open(0).read().splitlines()
+s1, copies = 0, [1] * len(lines)
+
+for i, line in enumerate(lines):
+    matches = len(set.intersection(*map(set, map(str.split, line.split(":")[1].split("|")))))
+    s1 += 2 ** (matches - 1) if matches else 0
+    for j in range(matches):
+        copies[i + j + 1] += copies[i]
+
+print(s1)
+print(sum(copies))