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climbing-stairs's Introduction

题目描述 假设你正在爬楼梯。需要 n 阶你才能到达楼顶。 每次你可以爬 1 或 2 个台阶。你有多少种不同的方法可以爬到楼顶呢?

示例 1:

输入:n = 2
输出:2
解释:有两种方法可以爬到楼顶。

  1. 1 阶 + 1 阶
  2. 2 阶

示例 2:

输入:n = 3
输出:3
解释:有三种方法可以爬到楼顶。

  1. 1 阶 + 1 阶 + 1 阶
  2. 1 阶 + 2 阶
  3. 2 阶 + 1 阶

提示:

1 <= n <= 46

climbing-stairs's People

Contributors

zhiqing0205 avatar wanyonghaosz2216019 avatar

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