26 lines
655 B
Python
26 lines
655 B
Python
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with open("input") as f:
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content = [x.strip() for x in f]
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def apply_mask(value, mask):
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value = "{:0>36}".format(bin(int(value))[2:])
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mask = [x for x in mask]
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value = [x for x in value]
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for i in range(35, -1, -1):
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if mask[i] in ["1", "0"]:
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value[i] = mask[i]
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value = int("".join(value), base=2)
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return value
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mask = 0
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mem = {}
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for l in content:
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if l.startswith("mask"):
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__, mask = l.split(" = ")
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if l.startswith("mem"):
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pos, value = l.replace("mem[", "").split(" = ")
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pos = int(pos.strip("]").strip(" "))
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mem[pos] = apply_mask(value, mask)
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print(sum(mem.values()))
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