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57 lines
1.3 KiB
57 lines
1.3 KiB
from grid import Grid
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from intcode import Intcode
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def main():
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codes = Intcode.parse_file("day19.txt")
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mgr = DroneMgr(codes)
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# Part 1
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area = Grid()
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for y in range(50):
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for x in range(50):
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mgr.run(inputs=[x, y])
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area.setv(y, x, mgr.clear())
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area.dumb_print()
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num_affected = sum(v for _, _, v in area.values_gen())
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print("Num affected:", num_affected)
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# Part 2
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d = 100 - 1
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found = None
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x, y = 0, 4 # skip beam being too narrow for grid
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while not found:
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y += 1
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while True:
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mgr.run(inputs=[x, y])
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if mgr.clear() == 0:
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x += 1
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continue
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mgr.run(inputs=[x + d, y - d])
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if mgr.clear() == 1:
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found = (x, y - d)
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break
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print("Found 100x100 ship with nearest corner at", found)
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print("Answer:", found[0] * 10000 + found[1])
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class DroneMgr(Intcode):
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def __init__(self, program, *args, **kwargs):
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super().__init__(program, *args, **kwargs)
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self.program = program.copy()
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self.output = None
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def clear(self):
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output = self.output
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self.reset()
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self.output = None
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return output
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def output_data(self, data):
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self.output = data
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if __name__ == "__main__":
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main()
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