by Harry He

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CHAPTER 6

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Approaches to Solutions

There are often tough situations where candidates are asked difficult interview questions. This chapter provides three strategies to solve complex problems:

  • Figures may be helpful to visualize data structures problems such as lists and trees.
  • Step-by-step analysis with examples may uncover hidden rules.
  • The divide-and-conquer approach breaks down a problem into manageable pieces and solves them recursively.

Each strategy is illustrated with several sample coding interview questions.

Figures to Visualize Problems

Figures are helpful tools to analyze and solve problems. When interview problems are complex, ...

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