77 lines
1.7 KiB
Python
77 lines
1.7 KiB
Python
import shared
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from anim import Animate
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import matrix
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cycles = {
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"noop": 1,
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"addx": 2,
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}
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def part1(x):
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X = 1
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cycle_count = 0
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signal_strength = []
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for step, instruction in enumerate(x):
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val = None
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if instruction.startswith("addx"):
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opcode, val = instruction.split(" ")
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val = int(val)
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else:
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opcode = instruction
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for x in range(cycles[opcode]):
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cycle_count += 1
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if cycle_count == 20 or ((cycle_count -20) % 40 == 0):
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signal_strength.append(cycle_count*X)
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if opcode == "addx":
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X += val
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print(sum(signal_strength))
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def part2(x):
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def cycle_to_xy(cycle):
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x = cycle % 40
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y = cycle // 40
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return x,y
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screen = matrix.matrix_of_size(40,6)
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X = 1
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cycle_count = 0
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for step, instruction in enumerate(x):
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val = None
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if instruction.startswith("addx"):
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opcode, val = instruction.split(" ")
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val = int(val)
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else:
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opcode = instruction
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for x in range(cycles[opcode]):
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_x,y = cycle_to_xy(cycle_count)
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criteria = (X-1, X, X+1)
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cycle_count += 1
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if _x in criteria:
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#print("draw", _x,y)
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screen[y][_x] = 1
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if opcode == "addx":
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X += val
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matrix.ppmx(screen,pad=False, space=False)
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anim = Animate(screen, day="10")
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anim.add_frame(screen)
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print("wrote gif-10/day10.gif")
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def main():
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rows = [row for row in shared.load(10)]
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part1(rows)
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print("%"*40)
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part2(rows)
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if __name__ == "__main__":
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main()
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