FastPrepFind Word-Multiset Windows

Find Word-Multiset Windows

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Problem statement

You are given a tokenized text textWords and a nonempty list targetWords. Return every word index at which a consecutive window contains exactly the same multiset of words as targetWords.

The problem statement continues
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Examples

Example 1

textWords = ["red","blue","green","blue","red"]targetWords = ["blue","red"]return = [0,3]

The first and last two-word windows each contain one red and one blue word.

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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
  • 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