Given `nums` and `target`, return indices of two distinct numbers that add up to `target`. Exactly one solution exists. Variant **#6**.
Example 1
Input: nums = [6,19,28,39,10,21,32,3,14,44], target = 63
Output: [1,9]
nums[1] + nums[9] = 63
Constraints
Acceptance: 54% · Topics: array, hash-table