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Solve day 5 part 1
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61
2019/day05-intcode.py
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61
2019/day05-intcode.py
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ZERO_PARAM_CODES = [99]
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ONE_PARAM_CODES = [3, 4]
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THREE_PARAMS_CODES = [1, 2]
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def compute(lst):
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result = lst.copy()
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i = 0
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while i < len(result):
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first_instruction = str(result[i])
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code = int(first_instruction[-2:])
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param_modes = first_instruction[:-2]
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if code == 99:
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print("Halting due to code 99")
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return result
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if code in THREE_PARAMS_CODES:
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offset = 4
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param_modes = param_modes.zfill(offset - 1)
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param_modes_parsed = list(map(int, reversed(param_modes)))
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position1, position2 = result[i + 1], result[i + 2]
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if param_modes_parsed[0] == 0:
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item1 = result[position1]
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else:
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item1 = position1
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if param_modes_parsed[1] == 0:
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item2 = result[position2]
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else:
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item2 = position2
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result_index = result[i + 3]
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if code == 1:
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result[result_index] = item1 + item2
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elif code == 2:
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result[result_index] = item1 * item2
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elif code in ONE_PARAM_CODES:
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offset = 2
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param_mode = int(param_modes.zfill(offset - 1))
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position = result[i + 1]
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if code == 3:
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result[position] = int(input(f"Input for instruction {i}"))
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elif code == 4:
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if param_mode == 0:
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res = result[position]
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else:
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res = position
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print(res)
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else:
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raise ValueError(f"Something bad happened, code={code}")
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i += offset
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return result
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if __name__ == "__main__":
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with open("inputs/day05") as f:
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compute(list(map(int, f.read().split(","))))
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1
2019/inputs/day05
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1
2019/inputs/day05
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3,225,1,225,6,6,1100,1,238,225,104,0,1001,92,74,224,1001,224,-85,224,4,224,1002,223,8,223,101,1,224,224,1,223,224,223,1101,14,63,225,102,19,83,224,101,-760,224,224,4,224,102,8,223,223,101,2,224,224,1,224,223,223,1101,21,23,224,1001,224,-44,224,4,224,102,8,223,223,101,6,224,224,1,223,224,223,1102,40,16,225,1102,6,15,225,1101,84,11,225,1102,22,25,225,2,35,96,224,1001,224,-350,224,4,224,102,8,223,223,101,6,224,224,1,223,224,223,1101,56,43,225,101,11,192,224,1001,224,-37,224,4,224,102,8,223,223,1001,224,4,224,1,223,224,223,1002,122,61,224,1001,224,-2623,224,4,224,1002,223,8,223,101,7,224,224,1,223,224,223,1,195,87,224,1001,224,-12,224,4,224,1002,223,8,223,101,5,224,224,1,223,224,223,1101,75,26,225,1101,6,20,225,1102,26,60,224,101,-1560,224,224,4,224,102,8,223,223,101,3,224,224,1,223,224,223,4,223,99,0,0,0,677,0,0,0,0,0,0,0,0,0,0,0,1105,0,99999,1105,227,247,1105,1,99999,1005,227,99999,1005,0,256,1105,1,99999,1106,227,99999,1106,0,265,1105,1,99999,1006,0,99999,1006,227,274,1105,1,99999,1105,1,280,1105,1,99999,1,225,225,225,1101,294,0,0,105,1,0,1105,1,99999,1106,0,300,1105,1,99999,1,225,225,225,1101,314,0,0,106,0,0,1105,1,99999,108,677,226,224,102,2,223,223,1006,224,329,1001,223,1,223,1108,226,677,224,1002,223,2,223,1006,224,344,101,1,223,223,7,226,677,224,102,2,223,223,1006,224,359,1001,223,1,223,1007,226,677,224,1002,223,2,223,1006,224,374,1001,223,1,223,1108,677,226,224,102,2,223,223,1005,224,389,1001,223,1,223,107,226,226,224,102,2,223,223,1006,224,404,101,1,223,223,1107,226,226,224,1002,223,2,223,1005,224,419,1001,223,1,223,1007,677,677,224,102,2,223,223,1006,224,434,101,1,223,223,1107,226,677,224,1002,223,2,223,1006,224,449,101,1,223,223,107,677,677,224,102,2,223,223,1005,224,464,1001,223,1,223,1008,226,226,224,1002,223,2,223,1005,224,479,101,1,223,223,1007,226,226,224,102,2,223,223,1005,224,494,1001,223,1,223,8,677,226,224,1002,223,2,223,1005,224,509,1001,223,1,223,108,677,677,224,1002,223,2,223,1005,224,524,1001,223,1,223,1008,677,677,224,102,2,223,223,1006,224,539,1001,223,1,223,7,677,226,224,1002,223,2,223,1005,224,554,101,1,223,223,1108,226,226,224,1002,223,2,223,1005,224,569,101,1,223,223,107,677,226,224,102,2,223,223,1005,224,584,101,1,223,223,8,226,226,224,1002,223,2,223,1005,224,599,101,1,223,223,108,226,226,224,1002,223,2,223,1006,224,614,1001,223,1,223,7,226,226,224,102,2,223,223,1006,224,629,1001,223,1,223,1107,677,226,224,102,2,223,223,1005,224,644,101,1,223,223,8,226,677,224,102,2,223,223,1006,224,659,1001,223,1,223,1008,226,677,224,1002,223,2,223,1006,224,674,1001,223,1,223,4,223,99,226
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