Google Interview Question: How would you implement a sta... | Glassdoor

Interview Question

Software Engineer Interview Mountain View, CA

How would you implement a stack to achieve constant time

  for "push", "pop" and "find mininum" operations?
Tags:
data structures
Answer

Interview Answer

3 Answers

1

The catch is to use another stack to remember the minimum. The other operations already take constant time.

Interview Candidate on May 15, 2010
0

With an array you can implement in Push/Pop in constant time. The expansion/contraction of the array can be implemented such that the amortized cost is constant.

Anonymous on Aug 12, 2014

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