hello-algo/en/codes/python/chapter_dynamic_programming/climbing_stairs_dfs.py
Yudong Jin 1c0f350ad6
translation: Add Python and Java code for EN version (#1345)
* Add the intial translation of code of all the languages

* test

* revert

* Remove

* Add Python and Java code for EN version
2024-05-06 05:21:51 +08:00

28 lines
558 B
Python

"""
File: climbing_stairs_dfs.py
Created Time: 2023-06-30
Author: krahets (krahets@163.com)
"""
def dfs(i: int) -> int:
"""Search"""
# Known dp[1] and dp[2], return them
if i == 1 or i == 2:
return i
# dp[i] = dp[i-1] + dp[i-2]
count = dfs(i - 1) + dfs(i - 2)
return count
def climbing_stairs_dfs(n: int) -> int:
"""Climbing stairs: Search"""
return dfs(n)
"""Driver Code"""
if __name__ == "__main__":
n = 9
res = climbing_stairs_dfs(n)
print(f"Climb {n} steps, there are {res} solutions in total")