Working out solutions for Advent of Code
Ви не можете вибрати більше 25 тем Теми мають розпочинатися з літери або цифри, можуть містити дефіси (-) і не повинні перевищувати 35 символів.

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  1. """ Advent of Code Day 5b
  2. """
  3. from collections import defaultdict
  4. def comp(s1,s2):
  5. if (s1 != s2) and s1.lower() == s2.lower():
  6. return True
  7. return False
  8. def main(polymer):
  9. opoly = polymer
  10. lens = defaultdict(int)
  11. alphabet = "abcdefghijklmnopqrstuvwxyz"
  12. for char in alphabet:
  13. polymer = "".join(opoly.split(char))
  14. polymer = "".join(polymer.split(char.upper()))
  15. do_it = True
  16. while do_it:
  17. olen = len(polymer)
  18. # print(olen)
  19. for acter in alphabet:
  20. if acter != char:
  21. polymer = "".join(polymer.split("{}{}".format(acter, acter.upper())))
  22. polymer = "".join(polymer.split("{}{}".format(acter.upper(), acter)))
  23. print("with {}, after {}, len(polymer) is {}".format(char, acter, len(polymer)))
  24. # for i in range(len(polymer)-1):
  25. # if comp(polymer[i], polymer[i+1]):
  26. # if i == 0: # the first two are a match
  27. # polymer = polymer[2:]
  28. # elif i == (olen - 2): # the last two are a match
  29. # polymer = polymer[:-2]
  30. # else: # the match is in the middle
  31. # polymer = polymer[:i] + polymer[i+2:]
  32. # break
  33. if olen == len(polymer): # we didn't reduce polymer's length at all
  34. do_it = False # no more matches, stop looping
  35. lens[char] = len(polymer)
  36. with open("05out.txt","a") as ofile:
  37. ofile.write("{}: {}\n".format(char, len(polymer)))
  38. for k,v in lens.items():
  39. print("{}: {}".format(k,v))
  40. if __name__ == "__main__":
  41. inline = ""
  42. with open("05in.txt","r") as ofile:
  43. inline = ofile.read().strip()
  44. main(inline)