mirror of https://github.com/Lyxal/Keta.git
37 lines
739 B
Python
37 lines
739 B
Python
dyads = "*+-/%"
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monads = list(map(chr, range(ord("A"), ord("Z") + 1)))
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nilads = "1234567890"
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source = input()[::-1]
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arities = []
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for char in source:
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if char in dyads:
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arities.append((2, char))
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elif char in monads:
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arities.append((1, char))
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else:
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arities.append((0, char))
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exprs = []
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expr = []
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patterns = ["02", "10", "11", "12", "20", "21", "22"]
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pattern = ""
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while len(arities):
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if pattern in patterns:
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exprs += [pattern, expr]
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expr = []
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pattern = ""
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pattern += str(arities[-1][0])
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expr.append(arities[-1][1])
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arities.pop()
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if not exprs and pattern in patterns:
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exprs += [pattern, expr]
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expr = []
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pattern = ""
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print(exprs)
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