Given an integer array nums and an integer k, return the number of subarrays of nums where the greatest common divisor of the subarray's elements is k.
A subarray is a contiguous non-empty sequence of elements within an array.
\n\nThe greatest common divisor of an array is the largest integer that evenly divides all the array elements.
\n\n\n
Example 1:
\n\n\nInput: nums = [9,3,1,2,6,3], k = 3\nOutput: 4\nExplanation: The subarrays of nums where 3 is the greatest common divisor of all the subarray's elements are:\n- [9,3,1,2,6,3]\n- [9,3,1,2,6,3]\n- [9,3,1,2,6,3]\n- [9,3,1,2,6,3]\n\n\n
Example 2:
\n\n\nInput: nums = [4], k = 7\nOutput: 0\nExplanation: There are no subarrays of nums where 7 is the greatest common divisor of all the subarray's elements.\n\n\n
\n
Constraints:
\n\n1 <= nums.length <= 10001 <= nums[i], k <= 109Compiled with clang 11 using the latest C++ 17 standard.
Your code is compiled with level two optimization (-O2). AddressSanitizer is also enabled to help detect out-of-bounds and use-after-free bugs.
Most standard library headers are already included automatically for your convenience.
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