mirror of
https://github.com/Noettore/AdventOfCode.git
synced 2025-10-14 19:26:39 +02:00
90 lines
2.6 KiB
Python
90 lines
2.6 KiB
Python
"""AOC Day 5"""
|
|
|
|
import pathlib
|
|
import time
|
|
import collections
|
|
|
|
TEST_INPUT = """0,9 -> 5,9
|
|
8,0 -> 0,8
|
|
9,4 -> 3,4
|
|
2,2 -> 2,1
|
|
7,0 -> 7,4
|
|
6,4 -> 2,0
|
|
0,9 -> 2,9
|
|
3,4 -> 1,4
|
|
0,0 -> 8,8
|
|
5,5 -> 8,2"""
|
|
|
|
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:
|
|
"""take input data and return the appropriate data structure"""
|
|
lines = list()
|
|
for line in input_data.splitlines():
|
|
a, b = line.split('->')
|
|
ax, ay = map(int, a.split(','))
|
|
bx, by = map(int, b.split(','))
|
|
lines.append((ax, ay, bx, by))
|
|
return lines
|
|
|
|
def part1(entries: list, space: collections.defaultdict) -> int:
|
|
"""part1 solver take the entries and return the part1 solution"""
|
|
for ax, ay, bx, by in entries:
|
|
if ax == bx:
|
|
for y in range(min(ay, by), max(ay, by) + 1):
|
|
space[ax, y] += 1
|
|
elif ay == by:
|
|
for x in range(min(ax, bx), max(ax, bx) + 1):
|
|
space[x, ay] += 1
|
|
|
|
return sum(v > 1 for v in space.values())
|
|
|
|
|
|
def part2(entries: list, space: collections.defaultdict) -> int:
|
|
"""part2 solver take the entries and return the part2 solution"""
|
|
for ax, ay, bx, by in entries:
|
|
if ax != bx and ay != by:
|
|
for i in range(abs(ax-bx)+1):
|
|
if ax < bx:
|
|
if ay < by:
|
|
space[ax+i, ay+i] += 1
|
|
else:
|
|
space[ax+i, ay-i] += 1
|
|
else:
|
|
if ay < by:
|
|
space[ax-i, ay+i] += 1
|
|
else:
|
|
space[ax-i, ay-i] += 1
|
|
|
|
return sum(v > 1 for v in space.values())
|
|
|
|
def test_input_day_05():
|
|
"""pytest testing function"""
|
|
entries = extract(TEST_INPUT)
|
|
space = collections.defaultdict(int)
|
|
assert part1(entries, space) == 5
|
|
assert part2(entries, space) == 12
|
|
|
|
def test_bench_day_05(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)
|
|
space = collections.defaultdict(int)
|
|
print("Part 1: %d" % part1(entries, space))
|
|
print("Part 2: %d" % part2(entries, space))
|
|
end_time = time.time()
|
|
print("Execution time: %f" % (end_time-start_time))
|
|
|
|
if __name__ == "__main__":
|
|
main()
|