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Repeatedly Deleting a Pattern Until None Remain

Members only

A string manipulation question from phone and onsite coding rounds at Inworld. Removing a piece of text can change what the surrounding text looks like, so a single pass is not obviously enough. The interview tests whether you can reason about the cascading effect cleanly and efficiently.

SWE
medium
string
stack
Frequency
Single report
Last asked
—
Stage
phone-screen · onsite-coding

Members get

  • Full problem statement
  • 3 progressive hints
  • Step-by-step approach
  • Full solution with code
  • 4 common pitfalls
  • 5 talking points
  • 5 follow-up questions with answer directions
  • Preparation drills

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