Write a program in Java to calculate pow(x,n) using recursion. The expected time complexity is O(log2N) where N is the power. You cannot use any extra space apart from the recursion call stack space.

Write a program in Java to calculate pow(x,n) using recursion. The expected time complexity is O(log2N) where N is the power. You cannot use any extra space apart from the recursion call stack space.

题目类型: 技术面试题

这是一道技术面试题，常见于澳洲IT公司面试中。

难度: easy

标签: interviewbit, java-programming, topic-specific, java

参考答案摘要

We have seen how we can calculate the pow(x,n) in linear time. We can optimize our approach by changing the recurrence relation. Let us understand this with the help of an example shown below: So, we ...

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