Given `nums` and `target`, return indices of two distinct numbers that add up to `target`. Exactly one solution exists. Variant **#16**.
Example 1
Input: nums = [16,49,38,9,20,31,2,13,24,35,6,17,28,39,10,21,32,3,14,14], target = 63
Output: [1,18]
nums[1] + nums[18] = 63
Constraints
Acceptance: 78% · Topics: array, hash-table