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v1.6.5
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Published: Mar 23, 2021
License: MIT
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README
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You are climbing a staircase. It takes n
steps to reach the top.
Each time you can either climb 1
or 2
steps. In how many distinct ways can you climb to the top?
Example 1:
Input: n = 2
Output: 2
Explanation: There are two ways to climb to the top.
1. 1 step + 1 step
2. 2 steps
Example 2:
Input: n = 3
Output: 3
Explanation: There are three ways to climb to the top.
1. 1 step + 1 step + 1 step
2. 1 step + 2 steps
3. 2 steps + 1 step
Constraints:
[Dynamic Programming]
Similar Questions
- Min Cost Climbing Stairs (Easy)
- Fibonacci Number (Easy)
- N-th Tribonacci Number (Easy)
Hints
Hint 1
To reach nth step, what could have been your previous steps? (Think about the step sizes)
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