FastPrepAll Anagram Start Indices
Problem · String

All Anagram Start Indices

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Problem statement

Given lowercase strings s and p, return every starting index where a substring of s is an anagram of p.

The problem statement continues
Pro

Examples

Example 1

s = "acbadabcaa"p = "aabc"return = [0,5,6]

The length-four substrings at 0, 5, and 6 have exactly the pattern frequencies.

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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
  • 2 more worked examples, 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