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Yudong Jin
2f561d3d51
* 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
22 lines
500 B
Ruby
22 lines
500 B
Ruby
=begin
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File: fast_power.rb
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Created Time: 2026-08-18
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Author: Hello Algo Team
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=end
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### 빠른 거듭제곱 ###
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def fast_pow(x, n)
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return 1 if n == 0
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half = fast_pow(x, n / 2)
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return half * half if n.even?
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half * half * x
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end
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if __FILE__ == $0
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raise '빠른 거듭제곱 검증에 실패했다' unless fast_pow(7, 0) == 1
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raise '빠른 거듭제곱 검증에 실패했다' unless fast_pow(3, 5) == 243
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raise '빠른 거듭제곱 검증에 실패했다' unless fast_pow(2, 6) == 64
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end
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