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authormhsn <mail@mhsn.net>2026-03-18 21:48:13 +0000
committermhsn <mail@mhsn.net>2026-03-18 21:48:13 +0000
commit86bac31392a76da84817eec020d2b84d099b3cc1 (patch)
treee2ee52db59b86b914d5b4bcceb19c9b5d899fff4 /aoc/2024/11/python.py
parent62fe361fc42dea75deaf7ac31c0ba6ba80e26a9c (diff)
downloadpuzzles-86bac31392a76da84817eec020d2b84d099b3cc1.tar.gz
puzzles-86bac31392a76da84817eec020d2b84d099b3cc1.zip
add other challenges supportHEADmaster
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diff --git a/aoc/2024/11/python.py b/aoc/2024/11/python.py
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+#!/usr/bin/env python3
+
+from fileinput import input
+from functools import cache
+from math import floor, log
+
+stones = [int(x) for x in input().readline().split()]
+
+
+@cache
+def blink(s, n):
+ if n == 0:
+ return 1
+
+ if s == 0:
+ return blink(1, n - 1)
+
+ digits = floor(log(s, 10) + 1e-6) + 1
+ if digits % 2 == 0:
+ left, right = divmod(s, 10 ** (digits // 2))
+ return blink(left, n - 1) + blink(right, n - 1)
+
+ return blink(s * 2024, n - 1)
+
+
+silver = sum(blink(s, 25) for s in stones)
+gold = sum(blink(s, 75) for s in stones)
+
+print("silver:", silver)
+print("gold:", gold)