31 lines
814 B
Python
31 lines
814 B
Python
#!/usr/bin/env python
|
|
# 2024 - Advent Of Code 2
|
|
|
|
# file = 'input_example.txt'
|
|
file = 'input.txt'
|
|
|
|
# pylint: disable=consider-using-with
|
|
input_lines = [line.strip('\n') for line in open(file, encoding="utf-8")]
|
|
|
|
safe = 0
|
|
for reports in input_lines:
|
|
levels = [ int(r) for r in reports.split(' ') ]
|
|
# print(f'{levels=}')
|
|
|
|
s_diff = 0 if levels[0] > levels[1] else 1
|
|
break_diff = False
|
|
for l in range(1, len(levels)):
|
|
diff = levels[l] - levels[l-1]
|
|
if abs(diff) > 3 or diff == 0:
|
|
break_diff = True
|
|
break
|
|
s_diff2 = 0 if levels[l] < levels[l-1] else 1
|
|
if s_diff ^ s_diff2 != 0:
|
|
# print("sign change")
|
|
break_diff = True
|
|
break
|
|
if not break_diff:
|
|
# print("safe")
|
|
safe += 1
|
|
|
|
print(f'{safe=}')
|