天美乌鸦糖心mv

from functools im***t lru_cache from sympy im***t Rational, pi, E, Abs, Min from itertools im***t product how = dict() @lru_cache(maxsize=None) def generate_resistances(n): resistances = set() if n == 1: resistances.add(Rational(1, 1)) how[1] = "u" return resistances for i in range(1, n): left_resistances = generate_resistances(i) right_resistances = generate_resistances(n - i) for left in left_…。