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Steps to answer

  1. Listen carefully.
    • Pay very close attention to any information.
  2. Draw an example.
    1. Specific. Sufficiently large. Not a special case.
  3. State a brute force
    1. The initial solution may be terrible. Explain the space/time complexity.
  4. Optimize
    1. Look for any unused information
    2. Use a fresh example
    3. Solve it incorrectly.
    4. Make time vs. space tradeoff
    5. Precompute
    6. Use a hash table
    7. Think about the best conceivable runtime
    8. Walk through with Bottleneck, Unnecessary work and Duplicated work
  5. Implement
  6. Test

 

Techniques

  1. BUD
  2. DIY
  3. Simplify and generalize
  4. Base case and build
  5. Data structure brainstorm
  6. BCR

 

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