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954c45864b
* docs: add Japanese documents (`ja/docs`) * docs: add Japanese documents (`ja/codes`) * docs: add Japanese documents * Remove pythontutor blocks in ja/ * Add an empty at the end of each markdown file. * Add the missing figures (use the English version temporarily). * Add index.md for Japanese version. * Add index.html for Japanese version. * Add missing index.assets * Fix backtracking_algorithm.md for Japanese version. * Add avatar_eltociear.jpg. Fix image links on the Japanese landing page. * Add the Japanese banner. --------- Co-authored-by: krahets <krahets@163.com>
58 lines
1.1 KiB
Python
58 lines
1.1 KiB
Python
"""
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File: simple_hash.py
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Created Time: 2023-06-15
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Author: krahets (krahets@163.com)
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"""
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def add_hash(key: str) -> int:
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"""加法ハッシュ"""
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hash = 0
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modulus = 1000000007
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for c in key:
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hash += ord(c)
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return hash % modulus
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def mul_hash(key: str) -> int:
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"""乗法ハッシュ"""
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hash = 0
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modulus = 1000000007
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for c in key:
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hash = 31 * hash + ord(c)
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return hash % modulus
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def xor_hash(key: str) -> int:
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"""XORハッシュ"""
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hash = 0
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modulus = 1000000007
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for c in key:
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hash ^= ord(c)
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return hash % modulus
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def rot_hash(key: str) -> int:
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"""回転ハッシュ"""
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hash = 0
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modulus = 1000000007
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for c in key:
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hash = (hash << 4) ^ (hash >> 28) ^ ord(c)
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return hash % modulus
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"""Driver Code"""
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if __name__ == "__main__":
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key = "Hello algorithm"
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hash = add_hash(key)
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print(f"加法ハッシュ値は {hash}")
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hash = mul_hash(key)
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print(f"乗法ハッシュ値は {hash}")
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hash = xor_hash(key)
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print(f"XORハッシュ値は {hash}")
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hash = rot_hash(key)
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print(f"回転ハッシュ値は {hash}") |