Merge two sorted arrays `nums1` and `nums2` into one sorted array. Variant **#39**.
Example 1
Input: nums1 = [39,41,43,45,47,49,51], nums2 = [40,42,44,46,48,50]
Output: [39,40,41,42,43,44,45,46,47,48,49,50,51]
Constraints
Acceptance: 67% · Topics: array, sorting, two-pointers