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75 lines
2.3 KiB
Python
75 lines
2.3 KiB
Python
"""AOC 2015 Day 6"""
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import pathlib
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import time
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import re
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import numpy
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TEST_INPUT = """turn on 0,0 through 999,999
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toggle 0,0 through 999,0
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turn off 499,499 through 500,500"""
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def read_input(input_path: str) -> str:
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"""take input file path and return a str with the file's content"""
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with open(input_path, 'r') as input_file:
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input_data = input_file.read().strip()
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return input_data
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def extract(input_data: str) -> list:
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entries = list()
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for line in input_data.split('\n'):
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instructions = re.match(r"(\D+)(\d+),(\d+)[\D]+(\d+),(\d+)", line).groups()
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entries.append((instructions[0].strip(), int(instructions[1]), int(instructions[2]), int(instructions[3]), int(instructions[4])))
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return entries
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def part1(entries: list) -> int:
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"""part1 solver"""
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grid = numpy.zeros((1000, 1000), 'int32')
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for instruction in entries:
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cmd, x1, y1, x2, y2 = instruction
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if cmd == "turn on":
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grid[x1:x2+1, y1:y2+1] = 1
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elif cmd == "turn off":
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grid[x1:x2+1, y1:y2+1] = 0
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elif cmd == "toggle":
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grid[x1:x2+1, y1:y2+1] = numpy.logical_not(grid[x1:x2+1, y1:y2+1])
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return numpy.sum(grid)
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def part2(entries: list) -> int:
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"""part2 solver"""
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grid = numpy.zeros((1000, 1000), 'int32')
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for instruction in entries:
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cmd, x1, y1, x2, y2 = instruction
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if cmd == "turn on":
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grid[x1:x2+1, y1:y2+1] += 1
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elif cmd == "turn off":
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grid[x1:x2+1, y1:y2+1] -= 1
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grid[grid < 0] = 0
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elif cmd == "toggle":
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grid[x1:x2+1, y1:y2+1] += 2
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return numpy.sum(grid)
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def test_input_day_6():
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"""pytest testing function"""
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entries = extract(TEST_INPUT)
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assert part1(entries) == 998996
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assert part2(entries) == 1001996
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def test_bench_day_6(benchmark):
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"""pytest-benchmark function"""
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benchmark(main)
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def main():
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"""main function"""
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input_path = str(pathlib.Path(__file__).resolve().parent.parent) + "/inputs/" + str(pathlib.Path(__file__).stem)
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start_time = time.time()
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input_data = read_input(input_path)
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entries = extract(input_data)
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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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