32 lines
768 B
Python
32 lines
768 B
Python
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import sys
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CODES = None
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with open("day2.txt", "rt") as input_file:
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CODES = [int(i) for i in input_file.read().strip().split(",")]
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CODES[1] = 12
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CODES[2] = 2
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ip = 0
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while True:
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code = CODES[ip]
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if code == 1:
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operand1_pos = CODES[ip + 1]
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operand2_pos = CODES[ip + 2]
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output_pos = CODES[ip + 3]
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CODES[output_pos] = CODES[operand1_pos] + CODES[operand2_pos]
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ip += 4
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elif code == 2:
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operand1_pos = CODES[ip + 1]
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operand2_pos = CODES[ip + 2]
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output_pos = CODES[ip + 3]
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CODES[output_pos] = CODES[operand1_pos] * CODES[operand2_pos]
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ip += 4
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elif code == 99:
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break
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else:
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print("Wrong opcode:", code)
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sys.exit()
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print("Value at pos0:", CODES[0])
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