Given `nums` and `target`, return indices of two distinct numbers that add up to `target`. Exactly one solution exists. Variant **#13**.
Example 1
Input: nums = [13,40,35,6,17,28,39,10,21,32,3,14,25,36,7,18,43], target = 83
Output: [1,16]
nums[1] + nums[16] = 83
Constraints
Acceptance: 75% · Topics: array, hash-table