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44 lines
1.2 KiB
Python
44 lines
1.2 KiB
Python
"""AOC Day 1"""
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import pathlib
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import time
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def read_input(input_path: str) -> list:
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"""take input file path and return appropriate data structure"""
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with open(input_path, 'r') as input_file:
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entries = list()
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for entry in input_file.readlines():
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entries.append(int(entry))
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return entries
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def part1(entries: list) -> int:
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"""part1 solver take a set of int and return an int"""
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for x in entries:
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complement = 2020 - x
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if complement in entries:
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return x * complement
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return None
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def part2(entries: list) -> int:
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"""part2 solver take a set of int and return an int"""
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for x, i in enumerate(entries):
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for y in entries[i:]:
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complement = 2020 - x - y
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if complement in entries:
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return x * y * complement
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return None
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def main():
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"""main function"""
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input_path = str(pathlib.Path.cwd()) + "/inputs/" + str(pathlib.Path(__file__).stem)
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entries = read_input(input_path)
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start_time = time.time()
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print("Part 1: %d" % part1(entries))
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print("Part 2: %d" % part2(entries))
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end_time = time.time()
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print("Execution time: %f" % (end_time-start_time))
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if __name__ == "__main__":
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main()
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