123 lines
2.5 KiB
Python
123 lines
2.5 KiB
Python
import re
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# Fill Input
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try:
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with open("07.txt", 'r', encoding='utf-8') as file:
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input = file.read()
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except Exception as e:
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print(f"An error occurred: {e}")
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# Result
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def is_number(s:str):
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return ord('0')<= ord(s[0]) and ord(s[0]) <=ord('9')
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dict = {}
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for line in input.split('\n'):
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if re_match := re.search(r"([a-z]+|[0-9]+) ([A-Z]+) ([a-z]+|[0-9]+) -> ([a-z]+)", line):
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v1 = re_match.group(1)
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op = re_match.group(2)
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v2 = re_match.group(3)
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rs = re_match.group(4)
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dict[rs] = [op,v1,v2]
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continue
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if re_match := re.search(r"(NOT) ([a-z]+) -> ([a-z]+)", line):
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op = re_match.group(1)
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v1 = re_match.group(2)
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rs = re_match.group(3)
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dict[rs] = [op,v1,None]
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continue
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if re_match := re.search(r"([a-z]+|[0-9]+) -> ([a-z]+)", line):
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v1 = re_match.group(1)
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rs = re_match.group(2)
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dict[rs] = [None,v1,None]
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continue
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# Part B
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#dict["b"]=[None,..., None]
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to_dict = {}
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while len(dict):
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for key in dict:
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v = dict[key]
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if not v[0] and (is_number(v[1]) or v[1] in to_dict):
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to_dict[key] = v
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if (is_number(v[1]) or v[1] in to_dict ) and (not v[2] or is_number(v[2]) or v[2] in to_dict):
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to_dict[key] = v
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for key in to_dict:
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if key in dict:
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dict.pop(key)
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for key in to_dict:
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v = to_dict[key]
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if not v[0] and is_number(v[1]):
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to_dict[key] = int(v[1])
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continue
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if not v[0] and v[1] in to_dict:
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to_dict[key] = to_dict[v[1]]
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continue
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if v[0] == "NOT":
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to_dict[key] = ~to_dict[v[1]]
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continue
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if (v[1] in to_dict) and is_number(v[2]):
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match v[0]:
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case "LSHIFT":
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to_dict[key] = to_dict[v[1]] << int(v[2])
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continue
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case "RSHIFT":
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to_dict[key] = to_dict[v[1]] >> int(v[2])
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continue
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case "AND":
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to_dict[key] = to_dict[v[1]] & int(v[2])
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continue
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case "OR":
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to_dict[key] = to_dict[v[1]] | int(v[2])
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continue
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if is_number(v[1]) and (v[2] in to_dict):
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match v[0]:
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case "LSHIFT":
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to_dict[key] = int(v[1]) << to_dict[v[2]]
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continue
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case "RSHIFT":
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to_dict[key] = int(v[1]) >> to_dict[v[2]]
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continue
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case "AND":
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to_dict[key] = int(v[1]) & to_dict[v[2]]
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continue
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case "OR":
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to_dict[key] = int(v[1]) | to_dict[v[2]]
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continue
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if (v[1] in to_dict) and (v[2] in to_dict):
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match v[0]:
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case "LSHIFT":
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to_dict[key] = to_dict[v[1]] << to_dict[v[2]]
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continue
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case "RSHIFT":
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to_dict[key] = to_dict[v[1]] >> to_dict[v[2]]
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continue
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case "AND":
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to_dict[key] = to_dict[v[1]] & to_dict[v[2]]
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continue
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case "OR":
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to_dict[key] = to_dict[v[1]] | to_dict[v[2]]
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continue
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print(to_dict["a"])
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