44 lines
917 B
Python
44 lines
917 B
Python
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with open("input_day8.txt") as file:
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lines = [line.rstrip() for line in file]
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#unused bc i am so cool
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class seq:
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def __init__(self,name,left,right):
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self.name = name
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self.left = left
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self.right = right
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turns = lines[0]
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sequences = lines[2:]
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left_dict = {}
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right_dict = {}
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for a in sequences:
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name = a.split(" ")[0]
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left = a.split(" ")[2][1:4]
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right = a.split(" ")[3][0:3]
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left_dict[name] = left
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right_dict[name] = right
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i = 0
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total = 0
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cur_name = "AAA"
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alive = True
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while alive:
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if cur_name == "ZZZ":
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alive = False
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else:
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if turns[i] == 'L':
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next_node_name = left_dict[cur_name]
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else:
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next_node_name = right_dict[cur_name]
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cur_name = next_node_name
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i+=1
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if i>=len(turns):
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i = 0
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total+=1
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print(total)
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