44 lines
780 B
Python
44 lines
780 B
Python
from lib import *
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data = open(0).read().strip()
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part_2 = True
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REGS = "abcd"
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regs = {c: 0 for c in REGS}
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if part_2:
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regs["c"] = 1
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insts = data.splitlines()
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i = 0
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while i < len(insts):
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parts = insts[i].split()
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cmd = parts[0]
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if cmd == "cpy":
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if parts[1] in "abcd":
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regs[parts[2]] = regs[parts[1]]
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else:
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regs[parts[2]] = int(parts[1])
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elif cmd == "jnz":
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val = 0
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if parts[1] in "abcd":
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val = regs[parts[1]]
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else:
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val = int(parts[1])
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if val != 0:
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i += int(parts[2])
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continue
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elif cmd == "inc":
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regs[parts[1]] += 1
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elif cmd == "dec":
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regs[parts[1]] -= 1
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else:
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assert False
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i += 1
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print(regs["a"])
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