Given `nums` and `target`, return indices of two distinct numbers that add up to `target`. Exactly one solution exists. Variant **#26**.
Example 1
Input: nums = [26,29,8,19,30,1,12,23,34,34], target = 63
Output: [1,8]
nums[1] + nums[8] = 63
Constraints
Acceptance: 71% · Topics: array, hash-table