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2 changes: 1 addition & 1 deletion maths/fermat_little_theorem.py
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# Wikipedia reference: https://en.wikipedia.org/wiki/Fermat%27s_little_theorem


def binary_exponentiation(a, n, mod):
def binary_exponentiation(a: int, n: float, mod: int) -> int:
if n == 0:
return 1

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