README_EN.md

50. Pow(x, n)

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Description

Implement pow(x, n), which calculates x raised to the power n (xⁿ).

Example 1:

Input: 2.00000, 10

Output: 1024.00000

Example 2:

Input: 2.10000, 3

Output: 9.26100

Example 3:

Input: 2.00000, -2

Output: 0.25000

Explanation: 2-2 = 1/22 = 1/4 = 0.25

Note:

<li>-100.0 &lt; <em>x</em> &lt; 100.0</li>

<li><em>n</em> is a 32-bit signed integer, within the range&nbsp;[&minus;2<sup>31</sup>,&nbsp;2<sup>31&nbsp;</sup>&minus; 1]</li>

Solutions

Python3

Java

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