blob: 445809a43b05e6fff40c1fdae918a9e5262b4616 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
|
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)
|