56 lines
1.3 KiB
Python
56 lines
1.3 KiB
Python
import matrix
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import shared
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def read(rows):
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second = False
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rules = []
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updates = []
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for row in rows:
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if second:
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updates.append(list(map(int, row.split(","))))
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elif row == "":
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second = True
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else:
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rules.append(list(map(int, row.split("|"))))
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return rules, updates
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# @shared.profile
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def part1(rows):
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rules, updates = read(rows)
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bad = []
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for idx, update in enumerate(updates):
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for first, second in rules:
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if first in update and second in update:
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first_idx = update.index(first)
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second_idx = update.index(second)
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if first_idx > second_idx:
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bad.append(idx)
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break
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total = 0
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for idx, update in enumerate(updates):
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if idx in bad:
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continue
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total += update[len(update) // 2]
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print(total)
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# @shared.profile
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def part2(rows):
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pass
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def main():
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rows = [row for row in shared.load_rows(5)]
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with shared.elapsed_timer() as elapsed:
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part1(rows)
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print("🕒", elapsed())
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rows = [row for row in shared.load_rows(5, True)]
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with shared.elapsed_timer() as elapsed:
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part2(rows)
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print("🕒", elapsed())
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if __name__ == "__main__":
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main()
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