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Decode the Coding Interview in Scala: Real-World Examples

DIY: Pow(x, n)

Explore how to implement a pow function that computes the base raised to an exponent using recursive techniques. This lesson helps you understand handling large powers with constraints and optimize your solution for coding interviews involving mathematical recursion.

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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}
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