FastPrepClimbing Stairs

Climbing Stairs

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Problem statement

You are climbing a staircase with n steps.

The problem statement continues
Pro

Examples

Example 1

n = 2return = 2

The two valid sequences are 1 + 1 and 2.

Original screenshot from the interview report
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Reported in 1 Amazon interview this week

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CodePython 3
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FastPrep Pro
Reported in 1 Amazon interview this week

Unlock this recently reported problem

FastPrep Pro gives you full access to interview problems reported within the last week.

  • Full problem statement and constraints
  • 1 more worked example, explained
  • Guided hints and editorial
  • Run your code on real test cases
$8.25/month

$99 billed yearly — or $19 month-to-month. Cancel anytime.

Free plan — 2 of 2 free unlocks used this week