83 lines
3.1 KiB
Python
83 lines
3.1 KiB
Python
from __future__ import annotations
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from dataclasses import dataclass
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import logging
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from typing import List, Self
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class color:
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PURPLE = "\033[95m"
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CYAN = "\033[96m"
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DARKCYAN = "\033[36m"
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BLUE = "\033[94m"
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GREEN = "\033[92m"
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YELLOW = "\033[93m"
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RED = "\033[91m"
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BOLD = "\033[1m"
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UNDERLINE = "\033[4m"
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END = "\033[0m"
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@dataclass(init=False, eq=False)
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class OASISLine:
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sequence: List[int]
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reduce_map: List[List[int]]
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def __init__(self, input_line: str):
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self.sequence = list(map(lambda i: int(i), input_line.split(" ")))
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self.reduce_map = [
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self.sequence,
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]
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def reduce(self) -> Self:
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logging.debug(color.RED + f"reducing {self.sequence}" + color.END)
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logging.debug(color.BLUE + "=".join(["" for i in range(40)]) + color.END)
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line = self.sequence
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logging.debug(str(line))
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while not all(map(lambda i: i == 0, line)):
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new_line = []
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for idx, number in enumerate(line):
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if idx > 0:
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new_line.append(number - line[idx - 1])
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line = new_line
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self.reduce_map.append(line)
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logging.debug(str(line))
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logging.debug(color.BLUE + "=".join(["" for i in range(40)]) + color.END)
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return self
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def extrapolate(self):
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logging.debug(color.RED + f"extrapolating {self.sequence}" + color.END)
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logging.debug(color.BLUE + "=".join(["" for i in range(40)]) + color.END)
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next_increment = 0
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for line in reversed(self.reduce_map):
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if all(map(lambda i: i == line[0], line)):
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next_increment = line[0]
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else:
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next_increment = line[len(line) - 1] + next_increment
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logging.debug(str(line) + " " + color.BOLD + color.GREEN + f" {next_increment}" + color.END + "\n")
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logging.debug(color.BLUE + "=".join(["" for i in range(40)]) + color.END)
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return next_increment
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def extrapolate_back(self):
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logging.debug(color.RED + f"extrapolating back {self.sequence}" + color.END)
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logging.debug(color.BLUE + "=".join(["" for i in range(40)]) + color.END)
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next_increment = 0
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for line in reversed(self.reduce_map):
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if all(map(lambda i: i == line[0], line)):
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next_increment = line[0]
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else:
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next_increment = line[0] - next_increment
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logging.debug(color.BOLD + color.GREEN + f"{next_increment} " + color.END + str(line))
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logging.debug(color.BLUE + "=".join(["" for i in range(40)]) + color.END)
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return next_increment
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@classmethod
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def parse(cls, input_file: str) -> List[OASISLine]:
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the_list = []
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with open(input_file) as input:
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while line := input.readline():
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line = line.rstrip("\n").rstrip()
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logging.debug(color.RED + f'parsing "{line}"' + color.END)
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the_list.append(OASISLine(line))
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logging.debug(color.GREEN + f"parsed {the_list[len(the_list) - 1].sequence}" + color.END)
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return the_list
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