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https://github.com/krahets/hello-algo.git
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Ikko Eltociear Ashimine
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>
28 lines
583 B
Python
28 lines
583 B
Python
"""
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File: climbing_stairs_dfs.py
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Created Time: 2023-06-30
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Author: krahets (krahets@163.com)
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"""
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def dfs(i: int) -> int:
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"""探索"""
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# 既知の dp[1] と dp[2] は、それらを返す
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if i == 1 or i == 2:
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return i
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# dp[i] = dp[i-1] + dp[i-2]
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count = dfs(i - 1) + dfs(i - 2)
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return count
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def climbing_stairs_dfs(n: int) -> int:
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"""階段登り：探索"""
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return dfs(n)
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"""ドライバーコード"""
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if __name__ == "__main__":
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n = 9
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res = climbing_stairs_dfs(n)
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print(f"{n} 段登り、合計 {res} 通りの解がある") |