Leetcode Question 372 'Super Pow' in Java

Your task is to calculate ab mod 1337 where a is a positive integer and b is an extremely large positive integer given in the form of an array.



Example 1:

Input: a = 2, b = [3]
Output: 8
Example 2:

Input: a = 2, b = [1,0]
Output: 1024
Example 3:

Input: a = 1, b = [4,3,3,8,5,2]
Output: 1