You are at the bottom of a staircase with 5 steps. You can either take one or two steps at a time. How many different ways are there for you to ascend the staircase?
You are at the bottom of a staircase with 5 steps. You can either take one or two steps at a time. How many different ways are there for you to ascend the staircase?
Create a free account to answer questions and track your progress — across 2,000+ interview questions.
Get started for free