30 lines
814 B
Python
Executable File
30 lines
814 B
Python
Executable File
#!/usr/bin/env python3
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import sys
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import re
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from collections import defaultdict
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insr = re.compile(r"move (\d+) from (\d+) to (\d+)")
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stacksA = defaultdict(bytearray)
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stacksB = defaultdict(bytearray)
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for l in sys.stdin:
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if "[" in l:
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for i, c in enumerate(l[1::4], 1):
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if c != ' ':
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c = ord(c)
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stacksA[i].append(c)
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stacksB[i].append(c)
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im = insr.match(l)
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if im:
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n, f, t = map(int, im.groups())
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stacksA[t] = bytearray(reversed(stacksA[f][:n])) + stacksA[t]
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stacksA[f] = stacksA[f][n:]
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stacksB[t] = stacksB[f][:n] + stacksB[t]
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stacksB[f] = stacksB[f][n:]
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print(f"""Silver: {"".join(chr(stacksA[i][0]) for i in sorted(stacksA))}
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Gold: {"".join(chr(stacksB[i][0]) for i in sorted(stacksB))}""")
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