Merge two sorted arrays `nums1` and `nums2` into one sorted array. Variant **#19**.
Example 1
Input: nums1 = [19,21,23,25,27,29,31], nums2 = [20,22,24,26,28,30]
Output: [19,20,21,22,23,24,25,26,27,28,29,30,31]
Constraints
Acceptance: 64% · Topics: array, sorting, two-pointers