advent2019/4/a.py

31 lines
640 B
Python

data = "172930-683082".split("-")
min_, max_ = int(data[0]), int(data[1])
def validate(num):
repeat = False
nums = str(num)
# print(nums)
for i, c in enumerate(nums):
if i == len(nums) - 1:
break
# print(i, len(nums))
nextc = nums[i + 1]
if nextc < c:
# print(f"not increasing, {nextc} < {c}")
return False # not increasing
if c == nextc:
# print("found repeat")
repeat = True
return repeat
matches = 0
for i in range(min_, max_):
if validate(i):
matches += 1
print(matches)
# print(validate(123466))