Problem · Array

Sort an Array with Rotate and Flip

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Problem statement

You are given an array values containing distinct integers. You may apply either of these operations:

The problem statement continues
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Examples

Example 1

values = [3,4,1,2]return = 2

Rotate twice: [3,4,1,2] becomes [1,2,3,4]. No single operation produces increasing order.

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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
  • 2 more worked examples, explained
  • Guided hints and editorial
  • Run your code on real test cases
$9/month

Pro subscription, billed yearly — or $19 month-to-month. Cancel anytime.

Free plan — 2 of 2 free unlocks used this week