题解 | #最小花费爬楼梯#
最小花费爬楼梯
https://www.nowcoder.com/practice/6fe0302a058a4e4a834ee44af88435c7
class Solution:
def minCostClimbingStairs(self, cost: List[int]) -> int:
n = len(cost)
dp = [0]*n
dp[0] = cost[0]
dp[1] = cost[1]
for i in range(2, n):
dp[i] = min(dp[i-1], dp[i-2]) + cost[i] # 特殊状态更新的斐波那楔数列
return min(dp[-1], dp[-2])
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