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Create climbingStairs.py #229

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Create climbingStairs.py
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@nandanabhishek
nandanabhishek authored Oct 14, 2021
commit 6c2079e290f327c67ce543dd7c4aec020b4aa45c
10 changes: 10 additions & 0 deletions DP/climbingStairs.py
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Original file line number Diff line number Diff line change
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class Solution:
def climbStairs(self, n: int) -> int:
if n == 1:
return 1
res = [0 for i in range(n)]
res[0] = 1
res[1] = 2
for i in range(2, n):
res[i] = res[i-1] + res[i-2]
return res[-1]