AdventOfCode/2018/day14.py

34 lines
755 B
Python

input = 825401
input_l = [int(c) for c in str(input)]
len_input = len(input_l)
scoreboard = [3, 7]
elf_1 = 0
elf_2 = 1
def do_round():
global scoreboard, elf_1, elf_2
e1 = scoreboard[elf_1]
e2 = scoreboard[elf_2]
s = e1 + e2
scoreboard += [int(c) for c in str(s)]
elf_1 = (elf_1 + 1 + e1) % len(scoreboard)
elf_2 = (elf_2 + 1 + e2) % len(scoreboard)
while len(scoreboard) < input+10:
do_round()
print(''.join([str(i) for i in scoreboard[input:input+10]])) # Part 1
while True:
do_round()
if scoreboard[-len_input:] == input_l:
print(len(scoreboard)-len_input) # Part 2
break
if scoreboard[-len_input-1:-1] == input_l: # Each round adds 1-2 recipes to end
print(len(scoreboard)-len_input-1) # Part 2
break