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Yudong Jin
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* Add Russian docs site baseline * Add Russian localized codebase * Polish Russian code wording * Update ru code translation. * Update code translation and chapter covers. * Fix pythontutor extraction. * Add README and landing page. * placeholder of profiles * Use figures of English version * Remove chapter paperbook
29 lines
671 B
Python
29 lines
671 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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"""Поиск"""
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# dp[1] и dp[2] уже известны, вернуть их
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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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"""Подъем по лестнице: поиск"""
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return dfs(n)
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"""Driver Code"""
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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"Количество способов подняться по лестнице из {n} ступеней = {res}")
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