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AdventOfCode/2015/solutions/day_2.py
2020-12-25 23:50:29 +01:00

67 lines
1.9 KiB
Python

"""AOC 2015 Day 2"""
import pathlib
import time
TEST_INPUT = """2x3x4
1x1x10"""
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"""
gifts = list()
for gift in input_data.split('\n'):
dims = tuple(int(dim) for dim in gift.split('x'))
gifts.append(dims)
return gifts
def part1(entries: list) -> int:
"""part1 solver take a list and return an int"""
feet = 0
for gift in entries:
(length, width, height) = gift
side1 = length*width
side2 = length*height
side3 = width*height
feet += 2 * (side1 + side2 + side3) + min(side1, side2, side3)
return feet
def part2(entries: list) -> int:
"""part2 solver take a list and return an int"""
feet = 0
for gift in entries:
(length, width, height) = gift
mins = list(gift)
mins.remove(max(gift))
feet += length*width*height + 2*sum(mins)
return feet
def test_input_day_2():
"""pytest testing function"""
entries = extract(TEST_INPUT)
assert part1(entries) == 101
assert part2(entries) == 48
def test_bench_day_2(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()