day 10, easy with itertools.groupby

part 2 scales thanks to codon
2023-12-03 01:52:05 +01:00 · 2023-12-03 01:52:05 +01:00 · df55eec6d8
parent 199bc88505
commit df55eec6d8
1 changed files with 7 additions and 0 deletions
--- a/d10/run.py
+++ b/d10/run.py
@ -0,0 +1,7 @@
+import sys
+from itertools import groupby as gb
+
+r = sys.argv[1]
+for _ in range(int(sys.argv[2])):
+    r = "".join(f'{n}{c}' for c,n in map(lambda x: (x[0],len(list(x[1]))), gb(r)))
+print(len(r))