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4,310 interview questions, answered.

Reference answers, what the interviewer is really testing, how it is graded, and the follow-ups that come next.

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7 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. 4Calculate the trapped rainwater between bars in a given array.HardCoding· Adobe, Amazon
  5. 5Build a CalculatorMediumCoding· Adobe, Apple
  6. 6Write SQL code to publish the Fibonacci series.MediumCodingData· Google, Microsoft
  7. 7Top Salaries by DepartmentHardCodingData· Tesla