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Decode the Coding Interview in Ruby: Real-World Examples

DIY: Pow(x, n)

Explore how to implement the pow function that raises a base to a power using recursion and the quick power technique. This lesson develops problem-solving skills by applying efficient exponentiation methods common in coding interviews.

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Problem statement

For this problem, you are given an integer base and power value. You have to implement the pow() function, which will raise the base to a specified power and return its value.

Assume the following constraints:

  • -100 < base < 100
  • -2312^{31}
...