Count Cyclic Rotation Pairs

Rotation-Equivalent Number Pairs Medium · Topics · Company Tags · Hints You are given an array of positive integers. Count the number of index pairs (i, j) with i < j that meet both of the following: The decimal representation of nums[i] and nums[j] contain exactly the same number of digits. nums[j] can be obtained from nums[i] by removing a suffix of its decimal digits (possibly empty) and placing that suffix at the front, provided the resulting string does not begin with a…