Medium
Quiz
#372 Super Pow
APPROACH
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
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What is the optimal approach for this problem?