49 lines
1.1 KiB
Python
49 lines
1.1 KiB
Python
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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from functools import lru_cache
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file = "./input.txt"
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#file = "./ex.txt"
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#file = "./input-e.txt"
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from time import time
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start_time = time()
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def read_input(input_file:str, ) -> tuple[list[str], list[str]]:
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a = []
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d = []
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f = open(input_file, "r")
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for line in f:
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line = line.strip()
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if line == "":
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continue
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elif "," in line:
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a = line.replace(" ","").split(",")
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else:
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d.append(line)
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f.close()
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return a, d
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@lru_cache(maxsize=None)
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def count_designs(txt: str) -> int:
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global alphabet
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if txt == "":
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return 1
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total = 0
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for substring in alphabet:
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if txt.startswith(substring):
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remaining = txt[len(substring):]
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total += count_designs(remaining)
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return total
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if __name__ == "__main__":
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alphabet, designs = read_input(file)
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sol = 0
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for i, design in enumerate(designs):
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x = count_designs(design)
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print(i, design, x)
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sol += x
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print(sol)
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print(f'Runtime: {time()-start_time:.8f} s') |