Files
AdventOfCode/2015/solutions/day_5.py
2020-12-25 23:50:29 +01:00

83 lines
2.3 KiB
Python

"""AOC 2015 Day 5"""
import pathlib
import time
TEST_INPUT = """ugknbfddgicrmopn
aaa
jchzalrnumimnmhp
haegwjzuvuyypxyu
dvszwmarrgswjxmb"""
TEST_INPUT_2 = """qjhvhtzxzqqjkmpb
xxyxx
uurcxstgmygtbstg
ieodomkazucvgmuy"""
def read_input(input_path: str) -> str:
"""take input file path and return a str with the file's content"""
with open(input_path, 'r') as input_file:
input_data = input_file.read().strip()
return input_data
def extract(input_data: str) -> list:
entries = list()
for line in input_data.split('\n'):
entries.append(line)
return entries
def part1(entries: list) -> int:
"""part1 solver"""
nice_strings = 0
for string in entries:
vowels_count = 0
doubles = False
forbidden = False
for index, char in enumerate(string):
if char in 'aeiou':
vowels_count += 1
if not doubles and index < len(string)-1 and char == string[index+1]:
doubles = True
for forbidden_substring in ('ab', 'cd', 'pq', 'xy'):
if forbidden:
break
if forbidden_substring in string:
forbidden = True
if vowels_count >= 3 and doubles and not forbidden:
nice_strings += 1
return nice_strings
def part2(entries: list) -> int:
"""part2 solver"""
nice_strings = 0
for string in entries:
if any([string.count(string[i:i+2]) >= 2 for i in range(len(string)-2)]) and any([string[i] == string[i+2] for i in range(len(string)-2)]):
nice_strings += 1
return nice_strings
def test_input_day_5():
"""pytest testing function"""
entries = extract(TEST_INPUT)
assert part1(entries) == 2
entries = extract(TEST_INPUT_2)
assert part2(entries) == 2
def test_bench_day_5(benchmark):
"""pytest-benchmark function"""
benchmark(main)
def main():
"""main function"""
input_path = str(pathlib.Path(__file__).resolve().parent.parent) + "/inputs/" + str(pathlib.Path(__file__).stem)
start_time = time.time()
input_data = read_input(input_path)
entries = extract(input_data)
print("Part 1: %d" % part1(entries))
print("Part 2: %d" % part2(entries))
end_time = time.time()
print("Execution time: %f" % (end_time-start_time))
if __name__ == "__main__":
main()