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73 lines
1.6 KiB
Python
73 lines
1.6 KiB
Python
#!/usr/bin/env python
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from os.path import join, dirname
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# Day 01
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# Common
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def read_input(filename):
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data = join(dirname(__file__), '..', filename)
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with open(data) as f:
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return f.read()
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# 1
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class submarine:
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def __init__(self, with_aim=False):
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self.distance = 0
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self.depth = 0
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self.aim = 0
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self.with_aim = with_aim
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def execute(self, instruction: str):
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op, x = instruction.split(' ')
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x = int(x)
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if op == 'forward':
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if self.with_aim:
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self.distance += x
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self.depth += x * self.aim
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else:
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self.distance += x
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elif op == 'up':
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if self.with_aim:
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self.aim -= x
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else:
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self.depth -= x
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elif op == 'down':
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if self.with_aim:
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self.aim += x
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else:
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self.depth += x
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def execute_instructions(self, instructions: str):
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for instruction in instructions.strip().split('\n'):
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self.execute(instruction)
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def get_current_position(self):
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return self.distance * self.depth
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test = read_input('test.txt')
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sub = submarine()
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sub.execute_instructions(test)
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print(f"Test: {sub.get_current_position()}")
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data = read_input('input.txt')
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sub = submarine()
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sub.execute_instructions(data)
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print(f"Part 1: {sub.get_current_position()}")
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# 2
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sub = submarine(with_aim=True)
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sub.execute_instructions(test)
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print(f"Test: {sub.get_current_position()}")
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sub = submarine(with_aim=True)
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sub.execute_instructions(data)
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print(f"Part 2: {sub.get_current_position()}")
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