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- import threading
- from functools import lru_cache
- from sys import setrecursionlimit
- from threading import Thread
- '''
- Все виды оптимизаций для 16 задания:
- 1) sys.setrecursionlimit(100_000)
- 2) lru_cache
- 3) меморризация некоторых значений
- 4) threading.stack_size(2 ** 30), потом запустить поток
- '''
- @lru_cache(None)
- def f(n):
- if n >= 10_000:return n
- elif n < 10_000 and n % 4 == 0: return n/4 + f(n/4 + 2)
- elif n < 10_000 and n % 4 != 0: return 1+ f(n + 2)
- def main():
- print(f(174) - f(3))
- setrecursionlimit(100_000)
- threading.stack_size(2 ** 30)
- t = Thread(target=main)
- t.start()
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