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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
63 lines
1006 B
Ruby
63 lines
1006 B
Ruby
=begin
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File: simple_hash.rb
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Created Time: 2024-04-14
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Author: Xuan Khoa Tu Nguyen ([email protected])
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=end
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### 덧셈 해시 ###
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def add_hash(key)
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hash = 0
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modulus = 1_000_000_007
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key.each_char { |c| hash += c.ord }
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hash % modulus
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end
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### 곱셈 해시 ###
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def mul_hash(key)
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hash = 0
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modulus = 1_000_000_007
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key.each_char { |c| hash = 31 * hash + c.ord }
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hash % modulus
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end
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### XOR 해시 ###
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def xor_hash(key)
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hash = 0
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modulus = 1_000_000_007
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key.each_char { |c| hash ^= c.ord }
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hash % modulus
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end
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### 회전 해시 ###
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def rot_hash(key)
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hash = 0
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modulus = 1_000_000_007
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key.each_char { |c| hash = (hash << 4) ^ (hash >> 28) ^ c.ord }
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hash % modulus
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end
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### 실행 코드 ###
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if __FILE__ == $0
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key = "Hello 算法"
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hash = add_hash(key)
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puts "덧셈 해시값: #{hash}"
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hash = mul_hash(key)
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puts "곱셈 해시값: #{hash}"
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hash = xor_hash(key)
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puts "XOR 해시값: #{hash}"
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hash = rot_hash(key)
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puts "회전 해시값: #{hash}"
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end
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