2022-12-09 16:43:00 +00:00
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from pprint import pprint as pp
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from shared import load_rows
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from scanf import scanf
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from string import ascii_letters
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import re
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def load_crates(x):
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done_crates = False
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crates = []
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instructions = []
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for row in x:
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if done_crates:
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instructions.append(row)
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else:
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2022-12-12 07:41:14 +00:00
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if row == "":
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2022-12-09 16:43:00 +00:00
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done_crates = True
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else:
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crates.append(row)
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crates.pop()
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return crates, instructions
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2022-12-12 07:41:14 +00:00
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2022-12-09 16:43:00 +00:00
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def to_lists(crates):
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parsed = []
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reg = re.compile(r"[\([{})\]]")
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for row in crates:
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2022-12-12 07:41:14 +00:00
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parsed.append([x for x in reg.sub(" ", row)])
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2022-12-09 16:43:00 +00:00
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parsed = list(zip(*parsed[::-1]))
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parsed = list(zip(*parsed[::-1]))
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parsed = list(zip(*parsed[::-1]))
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2022-12-12 07:41:14 +00:00
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cleaned1 = [[x for x in y if x.strip()] for y in parsed if y]
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2022-12-09 16:43:00 +00:00
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cleaned2 = [x for x in cleaned1 if x != []][::-1]
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return cleaned2
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2022-12-12 07:41:14 +00:00
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2022-12-09 16:43:00 +00:00
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def parse_instructions(crates, instructions):
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for instruction in instructions:
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2022-12-12 07:41:14 +00:00
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count, _from, _to = scanf("move %d from %d to %d", instruction)
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print(count, _from, _to)
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_from -= 1 # 1 based yo
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_to -= 1
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2022-12-09 16:43:00 +00:00
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for x in range(count):
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value = crates[_from].pop(0)
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crates[_to].insert(0, value)
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return crates
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2022-12-12 07:41:14 +00:00
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2022-12-09 16:43:00 +00:00
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def parse_instructions_pt2(crates, instructions):
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for instruction in instructions:
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2022-12-12 07:41:14 +00:00
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count, _from, _to = scanf("move %d from %d to %d", instruction)
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_from -= 1 # 1 based yo
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_to -= 1
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2022-12-09 16:43:00 +00:00
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moving = crates[_from][:count]
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print(instruction, moving)
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for x in range(count):
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crates[_from].pop(0)
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for x in reversed(moving):
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crates[_to].insert(0, x)
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return crates
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2022-12-12 07:41:14 +00:00
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2022-12-09 16:43:00 +00:00
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def part1(x):
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crates, instructions = load_crates(x)
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crates = to_lists(crates)
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crates = parse_instructions(crates, instructions)
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print([c[0] for c in crates])
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2022-12-12 07:41:14 +00:00
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2022-12-09 16:43:00 +00:00
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def part2(x):
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crates, instructions = load_crates(x)
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crates = to_lists(crates)
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crates = parse_instructions_pt2(crates, instructions)
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print("".join([c[0] for c in crates]))
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def main():
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rows = load_rows(5)
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2022-12-12 07:41:14 +00:00
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# part1(rows)
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2022-12-09 16:43:00 +00:00
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part2(rows)
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if __name__ == "__main__":
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main()
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