advent-of-code/py/aoc/y2015/d04.py
2022-12-06 20:09:41 +01:00

29 lines
539 B
Python

import hashlib
# PART 1
def leading_zeroes(amount, start):
n = 1
what = "0" * amount
while True:
text = (start + str(n)).encode("utf-8")
h = hashlib.md5(text).hexdigest()
if h[:amount] == what:
return n
# if n % 100000 == 0:
# print(f"{n:9} {text} {h}")
n += 1
# PART 2
def solve(inputstr):
hashstart = inputstr.strip()
n = leading_zeroes(5, hashstart)
print(f"Part 1: {n}")
n_2 = leading_zeroes(6, hashstart)
print(f"Part 2: {n_2}")