scripts/ege/25013092/16.py

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Python
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2023-05-05 00:45:01 +03:00
def f(n):
if n < 3:
return 1
if n % 2 == 0:
return 2 * f(n - 1) - f(n - 2)
return f(n - 1) - 2 * f(n - 2) - 3
print(f(15))