45 lines
999 B
Python
45 lines
999 B
Python
from sys import argv, exit
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from tqdm import tqdm
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from itertools import count
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try:
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input_ = bytes([int(x) for x in argv[1]])
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l = len(input_)
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except IndexError:
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print(f"Usage: {argv[0]} [input]")
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exit(1)
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recipes = bytearray([3, 7])
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a, b = 0, 1
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def print_recipes():
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for i, recipe in enumerate(recipes):
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if i == a:
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print(f"({recipe:>2d})", end=" ")
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elif i == b:
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print(f"[{recipe:>2d}]", end=" ")
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else:
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print(f" {recipe:>2d} ", end=" ")
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print()
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for _ in tqdm(count()):
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next_ = recipes[a] + recipes[b]
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digits = bytearray([])
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if next_ == 0:
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digits.append(0)
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else:
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while next_:
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digits.append(next_ % 10)
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next_ //= 10
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recipes.extend(digits[::-1])
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a = (a + recipes[a] + 1) % len(recipes)
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b = (b + recipes[b] + 1) % len(recipes)
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if recipes[-l - 2:-2] == input_ or recipes[-l - 1:-1] == input_:
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print(recipes.find(input_))
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break
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