Files
hello-algo/ko/codes/python/chapter_divide_and_conquer/fast_power.py
T
Yudong Jin 2f561d3d51 feat(ko): add the Korean online edition (#2006)
* feat(ko): add the complete Korean online edition

* Use UTF-8 for Python CI output on Windows

* Remove print-book promotion from the Korean site

* fix(ko): preserve emphasis before Korean particles
2026-10-29 03:46:43 +08:00

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407 B
Python

"""
File: fast_power.py
Created Time: 2026-08-18
Author: Hello Algo Team
"""
def fast_pow(x: int, n: int) -> int:
"""빠른 거듭제곱"""
if n == 0:
return 1
half = fast_pow(x, n // 2)
if n % 2 == 0:
return half * half
return half * half * x
if __name__ == "__main__":
assert fast_pow(7, 0) == 1
assert fast_pow(3, 5) == 243
assert fast_pow(2, 6) == 64