Also rename it advent-of-code-2019 since I expect to participate this year as well. TODO: Should directories and files be name like-this or like_this?
		
			
				
	
	
		
			170 lines
		
	
	
	
		
			7.4 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			170 lines
		
	
	
	
		
			7.4 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
| x = [
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|     3, 225, 1, 225, 6, 6, 1100, 1, 238, 225, 104, 0, 1102, 31, 68, 225, 1001,
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|     13, 87, 224, 1001, 224, -118, 224, 4, 224, 102, 8, 223, 223, 1001, 224, 7,
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|     224, 1, 223, 224, 223, 1, 174, 110, 224, 1001, 224, -46, 224, 4, 224, 102,
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|     8, 223, 223, 101, 2, 224, 224, 1, 223, 224, 223, 1101, 13, 60, 224, 101,
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|     -73, 224, 224, 4, 224, 102, 8, 223, 223, 101, 6, 224, 224, 1, 224, 223,
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|     223, 1101, 87, 72, 225, 101, 47, 84, 224, 101, -119, 224, 224, 4, 224,
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|     1002, 223, 8, 223, 1001, 224, 6, 224, 1, 223, 224, 223, 1101, 76, 31, 225,
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|     1102, 60, 43, 225, 1102, 45, 31, 225, 1102, 63, 9, 225, 2, 170, 122, 224,
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|     1001, 224, -486, 224, 4, 224, 102, 8, 223, 223, 101, 2, 224, 224, 1, 223,
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|     224, 223, 1102, 29, 17, 224, 101, -493, 224, 224, 4, 224, 102, 8, 223, 223,
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|     101, 1, 224, 224, 1, 223, 224, 223, 1102, 52, 54, 225, 1102, 27, 15, 225,
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|     102, 26, 113, 224, 1001, 224, -1560, 224, 4, 224, 102, 8, 223, 223, 101, 7,
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|     224, 224, 1, 223, 224, 223, 1002, 117, 81, 224, 101, -3645, 224, 224, 4,
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|     224, 1002, 223, 8, 223, 101, 6, 224, 224, 1, 223, 224, 223, 4, 223, 99, 0,
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|     0, 0, 677, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1105, 0, 99999, 1105, 227, 247,
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|     1105, 1, 99999, 1005, 227, 99999, 1005, 0, 256, 1105, 1, 99999, 1106, 227,
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|     99999, 1106, 0, 265, 1105, 1, 99999, 1006, 0, 99999, 1006, 227, 274, 1105,
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|     1, 99999, 1105, 1, 280, 1105, 1, 99999, 1, 225, 225, 225, 1101, 294, 0, 0,
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|     105, 1, 0, 1105, 1, 99999, 1106, 0, 300, 1105, 1, 99999, 1, 225, 225, 225,
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|     1101, 314, 0, 0, 106, 0, 0, 1105, 1, 99999, 8, 226, 677, 224, 102, 2, 223,
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|     223, 1005, 224, 329, 1001, 223, 1, 223, 1108, 677, 226, 224, 102, 2, 223,
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|     223, 1006, 224, 344, 101, 1, 223, 223, 108, 677, 226, 224, 102, 2, 223,
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|     223, 1006, 224, 359, 101, 1, 223, 223, 7, 677, 226, 224, 102, 2, 223, 223,
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|     1005, 224, 374, 101, 1, 223, 223, 1007, 226, 677, 224, 102, 2, 223, 223,
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|     1005, 224, 389, 101, 1, 223, 223, 8, 677, 677, 224, 102, 2, 223, 223, 1006,
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|     224, 404, 1001, 223, 1, 223, 1007, 677, 677, 224, 1002, 223, 2, 223, 1006,
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|     224, 419, 101, 1, 223, 223, 1108, 677, 677, 224, 1002, 223, 2, 223, 1005,
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|     224, 434, 1001, 223, 1, 223, 1107, 226, 677, 224, 102, 2, 223, 223, 1005,
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|     224, 449, 101, 1, 223, 223, 107, 226, 226, 224, 102, 2, 223, 223, 1006,
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|     224, 464, 101, 1, 223, 223, 1108, 226, 677, 224, 1002, 223, 2, 223, 1005,
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|     224, 479, 1001, 223, 1, 223, 7, 677, 677, 224, 102, 2, 223, 223, 1006, 224,
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|     494, 1001, 223, 1, 223, 1107, 677, 226, 224, 102, 2, 223, 223, 1005, 224,
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|     509, 101, 1, 223, 223, 107, 677, 677, 224, 1002, 223, 2, 223, 1006, 224,
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|     524, 101, 1, 223, 223, 1008, 677, 677, 224, 1002, 223, 2, 223, 1006, 224,
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|     539, 101, 1, 223, 223, 7, 226, 677, 224, 1002, 223, 2, 223, 1005, 224, 554,
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|     101, 1, 223, 223, 108, 226, 226, 224, 1002, 223, 2, 223, 1006, 224, 569,
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|     101, 1, 223, 223, 1008, 226, 677, 224, 102, 2, 223, 223, 1005, 224, 584,
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|     101, 1, 223, 223, 8, 677, 226, 224, 1002, 223, 2, 223, 1005, 224, 599, 101,
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|     1, 223, 223, 1007, 226, 226, 224, 1002, 223, 2, 223, 1005, 224, 614, 101,
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|     1, 223, 223, 1107, 226, 226, 224, 1002, 223, 2, 223, 1006, 224, 629, 101,
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|     1, 223, 223, 107, 677, 226, 224, 1002, 223, 2, 223, 1005, 224, 644, 1001,
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|     223, 1, 223, 1008, 226, 226, 224, 1002, 223, 2, 223, 1006, 224, 659, 101,
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|     1, 223, 223, 108, 677, 677, 224, 1002, 223, 2, 223, 1005, 224, 674, 1001,
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|     223, 1, 223, 4, 223, 99, 226
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| ]
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| 
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| # Interpretter spec:
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| # Op-code width: 2
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| # ABCDE
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| # A:  Mode of 3rd parameter
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| # B:  Mode of 2rd parameter
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| # C:  Mode of 1st parameter
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| # DE: 2-digit op-code
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| #
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| # Not every op-code has the same arity.
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| #
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| # Parameter modes:
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| # - positional: index of memory. 0
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| # - immediate: raw value. 1
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| # Assert that you never attempt to write to an "immediate value"
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| 
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| # Parameter modes
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| POS = '0'  # positional parameter mode
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| VAL = '1'  # immediate parameter mode
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| 
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| 
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| # Pasted from day-2.py
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| # interpretter :: Int -> [Int] -> [Int] -> IO ()
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| def interpret(i, x, argv=[], outs=[]):
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|     """Values in `argv` will be applied to any `input` fields."""
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|     # The widest op-code we'll see is 3 + 2 = 5 for either addition or
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|     # multiplication since each of those is a 3-arity function with a two-digit
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|     # op-code.
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|     instruction = '{:05d}'.format(x[i])
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|     op = instruction[-2:]
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| 
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|     if op == '01':
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|         a, b, out = x[i + 1], x[i + 2], x[i + 3]
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|         mode_a, mode_b, mode_out = instruction[2], instruction[1], instruction[
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|             0]
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|         a = a if mode_a == VAL else x[a]
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|         b = b if mode_b == VAL else x[b]
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|         assert mode_out == POS
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|         x[out] = a + b
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|         return interpret(i + 4, x, argv=argv, outs=outs)
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|     elif op == '02':
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|         a, b, out = x[i + 1], x[i + 2], x[i + 3]
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|         mode_a, mode_b, mode_out = instruction[2], instruction[1], instruction[
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|             0]
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|         a = a if mode_a == VAL else x[a]
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|         b = b if mode_b == VAL else x[b]
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|         assert mode_out == POS
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|         x[out] = a * b
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|         return interpret(i + 4, x, argv=argv, outs=outs)
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|     # input
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|     elif op == '03':
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|         a = x[i + 1]
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|         mode_a = instruction[2]
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|         assert mode_a == POS
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|         # What's the pythonic way to defensively get this value?
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|         if len(argv) and argv[0] is not None:
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|             x[a] = argv[0]
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|             return interpret(i + 2, x, argv=argv[1:], outs=outs)
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|         elif len(outs) and outs[-1] is not None:
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|             x[a] = outs[-1]
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|             return interpret(i + 2, x, argv=argv, outs=outs)
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|         else:
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|             # Here we want to block until the user applies input. This could be
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|             # done easily with message passing for something similar.
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|             x[a] = int(input('Enter: '))
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|             return interpret(i + 2, x, argv=argv)
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|     # output
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|     elif op == '04':
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|         a = x[i + 1]
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|         mode_a = instruction[2]
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|         a = a if mode_a == VAL else x[a]
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|         outs.append(a)
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|         return interpret(i + 2, x, argv=argv, outs=outs)
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|     # jump-if-true
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|     elif op == '05':
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|         a, b = x[i + 1], x[i + 2]
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|         mode_a, mode_b = instruction[2], instruction[1]
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|         a = a if mode_a == VAL else x[a]
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|         b = b if mode_b == VAL else x[b]
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|         if a != 0:
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|             return interpret(b, x, argv=argv, outs=outs)
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|         else:
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|             return interpret(i + 3, x, argv=argv, outs=outs)
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|     # jump-if-false
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|     elif op == '06':
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|         a, b = x[i + 1], x[i + 2]
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|         mode_a, mode_b = instruction[2], instruction[1]
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|         a = a if mode_a == VAL else x[a]
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|         b = b if mode_b == VAL else x[b]
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|         if a == 0:
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|             return interpret(b, x, argv=argv, outs=outs)
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|         else:
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|             return interpret(i + 3, x, argv=argv, outs=outs)
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|         pass
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|     # less than
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|     elif op == '07':
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|         a, b, out = x[i + 1], x[i + 2], x[i + 3]
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|         mode_a, mode_b, mode_out = instruction[2], instruction[1], instruction[
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|             0]
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|         a = a if mode_a == VAL else x[a]
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|         b = b if mode_b == VAL else x[b]
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|         assert mode_out == POS
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|         if a < b:
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|             x[out] = 1
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|         else:
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|             x[out] = 0
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|         return interpret(i + 4, x, argv=argv, outs=outs)
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|     # equals
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|     elif op == '08':
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|         a, b, out = x[i + 1], x[i + 2], x[i + 3]
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|         mode_a, mode_b, mode_out = instruction[2], instruction[1], instruction[
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|             0]
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|         a = a if mode_a == VAL else x[a]
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|         b = b if mode_b == VAL else x[b]
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|         assert mode_out == POS
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|         if a == b:
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|             x[out] = 1
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|         else:
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|             x[out] = 0
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|         return interpret(i + 4, x, argv=argv, outs=outs)
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|     elif op == '99':
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|         return x[0]
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|     else:
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|         raise Exception('Unsupported opcode: {}.'.format(op))
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