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4 questions

  1. 1Find a triplet in an array with a given sum.MediumCoding· Adobe, Goldman Sachs
  2. 2Generate ParenthesesMediumCoding· Adobe, Google
  3. 3Find the minimum window substring.MediumCoding· Airbnb, Dropbox
  4. 4Build a CalculatorMediumCoding· Adobe, Apple